Union St, Brooklyn, NY – property records
Last updated: · ZIP 11206, 11212, 11213, 11215, 11217, 11225, 11231, 11233
Summary
Union St in Brooklyn has 1,025 tax lots with 5,648 residential units in total (PLUTO). As of October 31, 2026, 666 lots on this street have at least one open DOB job, active DOB/ECB violation, open HPD violation or unpaid OATH ticket in NYC Open Data. (Source: NYC Open Data, compiled by NYC Property Facts.)
Open items on Union St
| Open item type (as of 2026-10-31) | Properties | Items |
|---|---|---|
| Open DOB jobs (permit issued, not signed off) | 300 | 754 |
| Active DOB violations | 228 | 866 |
| Active ECB violations | 126 | 298 |
| Open HPD violations | 353 | 5,801 |
| OATH tickets with unpaid balance | 332 | 1,419 |
All 1,025 properties on Union St
| Address | Building class | Units | Built | Open items |
|---|---|---|---|---|
| 12 Union Street | V1 Vacant land zoned commercial | 0 | — | 0 |
| 22 Union Street | V1 Vacant land zoned commercial | 0 | — | 0 |
| 38 Union Street | V1 Vacant land zoned commercial | 0 | — | 0 |
| 42 Union Street | V9 Vacant land, miscellaneous | 0 | — | 0 |
| 44 Union Street | V9 Vacant land, miscellaneous | 0 | — | 0 |
| 46 Union Street | V1 Vacant land zoned commercial | 0 | — | 0 |
| 48 Union Street | V9 Vacant land, miscellaneous | 0 | — | 0 |
| 50 Union Street | V9 Vacant land, miscellaneous | 0 | — | 0 |
| 52 Union Street | V9 Vacant land, miscellaneous | 0 | — | 0 |
| 54 Union Street | G7 Garage, gas station or parking | 0 | — | 0 |
| 58 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 60 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 62 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 64 Union Street | G1 Garage, gas station or parking | 0 | 1954 | 3 |
| 65 Union Street | G8 Garage, gas station or parking | 0 | 1931 | 1 |
| 67 Union Street | G1 Garage, gas station or parking | 0 | 1931 | 8 |
| 72 Union Street | C0 Three-family walk-up | 3 | 1899 | 4 |
| 74 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 76 Union Street | B1 Two-family home, brick | 2 | 1899 | 2 |
| 78 Union Street | O7 Office building | 0 | 2009 | 1 |
| 80 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 80 Union Street | C3 Walk-up apartments, four families | 4 | 2012 | 1 |
| 82 Union Street | C0 Three-family walk-up | 3 | 2007 | 13 |
| 84 Union Street | C0 Three-family walk-up | 3 | 1931 | 7 |
| 86 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 88 Union Street | G7 Garage, gas station or parking | 0 | — | 1 |
| 90 Union Street | G7 Garage, gas station or parking | 0 | — | 2 |
| 92 Union Street | G7 Garage, gas station or parking | 0 | — | 0 |
| 93 Union Street | E1 Warehouse | 0 | 1931 | 1 |
| 94 Union Street | C0 Three-family walk-up | 3 | 1931 | 9 |
| 96 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 29 |
| 97 Union Street | G9 Garage, gas station or parking | 1 | 1931 | 0 |
| 98 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 100 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 101 Union Street | E1 Warehouse | 0 | 1931 | 7 |
| 102 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 104 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 2 |
| 106 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 107 Union Street | B1 Two-family home, brick | 2 | 2013 | 5 |
| 117 Union Street | RM Condominium | 24 | 2002 | 16 |
| 122 Union Street | RM Condominium | 32 | 1990 | 59 |
| 124 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 6 |
| 126 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 6 |
| 128 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1931 | 1 |
| 130 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1900 | 12 |
| 131 Union Street | K4 Store building | 2 | 1930 | 4 |
| 132 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 6 | 1900 | 32 |
| 134 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 6 | 1900 | 13 |
| 135 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 1 |
| 136 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1900 | 17 |
| 137 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 5 |
| 138 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 6 | 1931 | 4 |
| 139 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 2 |
| 141 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1931 | 6 |
| 142 Union Street | S1 Mixed-use: one-family home with one store or office | 1 | 1931 | 4 |
| 143 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 6 | 1931 | 5 |
| 144 Union Street | K4 Store building | 1 | 1931 | 4 |
| 145 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 5 | 1931 | 5 |
| 147 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 1 |
| 149 Union Street | C0 Three-family walk-up | 3 | 1899 | 1 |
| 151 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 2 |
| 153 Union Street | B1 Two-family home, brick | 2 | 1931 | 4 |
| 155 Union Street | G7 Garage, gas station or parking | 0 | — | 0 |
| 156 Union Street | C7 Walk-up apartments, more than six families, with stores | 8 | 1920 | 106 |
| 158 Union Street | S4 Mixed-use: four-family home with one store or office | 4 | 1931 | 2 |
| 160 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1900 | 7 |
| 162 Union Street | C0 Three-family walk-up | 3 | 1931 | 5 |
| 164 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1900 | 3 |
| 166 Union Street | C2 Walk-up apartments, five or six families | 5 | 1900 | 5 |
| 167 Union Street | S4 Mixed-use: four-family home with one store or office | 4 | 1900 | 4 |
| 169 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 12 |
| 170 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1900 | 24 |
| 171 Union Street | C2 Walk-up apartments, five or six families | 5 | 1900 | 1 |
| 172 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1900 | 8 |
| 173 Union Street | C0 Three-family walk-up | 3 | 1899 | 20 |
| 174 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1900 | 2 |
| 175 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 4 |
| 176 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1900 | 1 |
| 177 Union Street | R1 Condominium | 4 | 2007 | 6 |
| 178 Union Street | C1 Walk-up apartments, more than six families, no stores | 9 | 1920 | 31 |
| 179 Union Street | R1 Condominium | 4 | 1900 | 1 |
| 180 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1900 | 13 |
| 181 Union Street | Y2 Government / city building | 0 | 1961 | 16 |
| 192 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1900 | 73 |
| 194 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 32 |
| 196 Union Street | B1 Two-family home, brick | 2 | 1899 | 15 |
| 198 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 2 |
| 200 Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 0 |
| 202 Union Street | C0 Three-family walk-up | 3 | 1900 | 0 |
| 204 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 0 |
| 206 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 0 |
| 208 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 0 |
| 210 Union Street | C0 Three-family walk-up | 3 | 1900 | 1 |
| 212 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 1 |
| 214 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 1 |
| 215 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1900 | 7 |
| 216 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 9 |
| 217 Union Street | C0 Three-family walk-up | 3 | 1899 | 1 |
| 218 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 8 |
| 220 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 8 |
| 221 Union Street | R3 Condominium | 6 | 2003 | 0 |
| 222 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 0 |
| 223 Union Street | R6 Condominium | 2 | 1980 | 0 |
| 224 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 0 |
| 225 Union Street | C0 Three-family walk-up | 3 | 1980 | 1 |
| 226 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 227 Union Street | C0 Three-family walk-up | 3 | 1980 | 8 |
| 228 Union Street | B1 Two-family home, brick | 2 | 1899 | 2 |
| 229 Union Street | C0 Three-family walk-up | 3 | 1980 | 9 |
| 230 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 1 |
| 231 Union Street | C0 Three-family walk-up | 3 | 1899 | 12 |
| 233 Union Street | C6 Walk-up co-op | 5 | 1920 | 0 |
| 235 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 237 Union Street | B1 Two-family home, brick | 2 | 1920 | 7 |
| 239 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 27 |
| 241 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 1 |
| 246 Union Street | A1 One-family home, two stories, detached | 1 | 1900 | 3 |
| 248 Union Street | B1 Two-family home, brick | 2 | 1910 | 2 |
| 250 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 0 |
| 252 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 0 |
| 254 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 1 |
| 256 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 258 Union Street | B9 Two-family home, miscellaneous | 2 | 1910 | 19 |
| 260 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 3 |
| 262 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 2 |
| 264 Union Street | C0 Three-family walk-up | 3 | 1899 | 22 |
| 265 Union Street | C1 Walk-up apartments, more than six families, no stores | 16 | 1920 | 4 |
| 266 Union Street | C0 Three-family walk-up | 3 | 1860 | 1 |
| 268 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 14 |
| 269 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 11 |
| 270 Union Street | C0 Three-family walk-up | 3 | 1899 | 10 |
| 271 Union Street | C2 Walk-up apartments, five or six families | 5 | 1920 | 13 |
| 272 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 273 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 274 Union Street | K4 Store building | 0 | 1931 | 29 |
| 275 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 3 |
| 277 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 2 |
| 283 Union Street | B1 Two-family home, brick | 2 | 2013 | 1 |
| 285 Union Street | A5 One-family home, attached or semi-detached | 1 | 2013 | 1 |
| 287 Union Street | A5 One-family home, attached or semi-detached | 1 | 2013 | 1 |
| 289 Union Street | A5 One-family home, attached or semi-detached | 1 | 2013 | 1 |
| 291 Union Street | RM Condominium | 32 | 2008 | 16 |
| 296 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 298 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 4 |
| 300 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 302 Union Street | C0 Three-family walk-up | 3 | 1899 | 1 |
| 304 Union Street | B1 Two-family home, brick | 2 | 1920 | 3 |
| 306 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 308 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 18 |
| 310 Union Street | B1 Two-family home, brick | 2 | 1920 | 3 |
| 312 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 2 |
| 313 Union Street | A4 One-family city residence | 1 | 1901 | 3 |
| 314 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 29 |
| 315 Union Street | A9 One-family home, miscellaneous | 1 | 1901 | 0 |
| 316 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 21 |
| 317 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 1 |
| 318 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 1 |
| 319 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 320 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 321 Union Street | R1 Condominium | 7 | — | 2 |
| 322 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 5 |
| 324 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 16 |
| 325 Union Street | B9 Two-family home, miscellaneous | 2 | 1901 | 1 |
| 326 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 8 |
| 327 Union Street | B9 Two-family home, miscellaneous | 2 | 1901 | 1 |
| 328 Union Street | B1 Two-family home, brick | 2 | 1920 | 6 |
| 329 Union Street | C1 Walk-up apartments, more than six families, no stores | 20 | 1930 | 27 |
| 330 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 1 |
| 332 Union Street | R6 Condominium | 3 | 1910 | 7 |
| 334 Union Street | R6 Condominium | 3 | 1920 | 2 |
| 335 Union Street | C2 Walk-up apartments, five or six families | 5 | 1920 | 0 |
| 336 Union Street | V1 Vacant land zoned commercial | 0 | — | 12 |
| 337 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 17 |
| 338 Union Street | S9 Mixed-use: dwelling with stores or offices, miscellaneous | 5 | 1931 | 64 |
| 339 Union Street | R1 Condominium | 4 | 1920 | 4 |
| 340 Union Street | C0 Three-family walk-up | 3 | 1899 | 66 |
| 340a Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 0 |
| 341 Union Street | R1 Condominium | 4 | 1920 | 0 |
| 342 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 30 |
| 344 Union Street | C0 Three-family walk-up | 3 | 1899 | 3 |
| 345 Union Street | R1 Condominium | 8 | 2007 | 1 |
| 346 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 14 |
| 347 Union Street | B9 Two-family home, miscellaneous | 2 | 1901 | 1 |
| 348 Union Street | C0 Three-family walk-up | 3 | 1899 | 16 |
| 349 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 15 |
| 350 Union Street | C6 Walk-up co-op | 4 | 1920 | 0 |
| 351 Union Street | R1 Condominium | 2 | 1920 | 3 |
| 352 Union Street | C0 Three-family walk-up | 3 | 1899 | 8 |
| 354 Union Street | C0 Three-family walk-up | 3 | 1899 | 10 |
| 356 Union Street | C1 Walk-up apartments, more than six families, no stores | 20 | 1900 | 4 |
| 360 Union Street | C1 Walk-up apartments, more than six families, no stores | 16 | 1920 | 4 |
| 361 Union Street | C0 Three-family walk-up | 3 | 1899 | 44 |
| 362 Union Street | C2 Walk-up apartments, five or six families | 5 | 1920 | 11 |
| 363 Union Street | B1 Two-family home, brick | 2 | 1920 | 5 |
| 364 Union Street | R1 Condominium | 25 | 1920 | 9 |
| 365 Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 18 |
| 367 Union Street | C0 Three-family walk-up | 3 | 1899 | 4 |
| 368 Union Street | C1 Walk-up apartments, more than six families, no stores | 16 | 1912 | 5 |
| 369 Union Street | B1 Two-family home, brick | 2 | 1920 | 0 |
| 370 Union Street | R2 Condominium | 16 | 1910 | 3 |
| 371a Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 1 |
| 371 Union Street | B1 Two-family home, brick | 2 | 1899 | 1 |
| 373 Union Street | C0 Three-family walk-up | 3 | 1910 | 2 |
| 374 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 8 |
| 375 Union Street | A5 One-family home, attached or semi-detached | 1 | 1920 | 2 |
| 376 Union Street | B3 Two-family home converted from one-family | 2 | 1899 | 0 |
| 377 Union Street | A4 One-family city residence | 1 | 1899 | 21 |
| 378 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 379 Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 1 |
| 380 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 0 |
| 381 Union Street | A4 One-family city residence | 1 | 1899 | 2 |
| 382 Union Street | C0 Three-family walk-up | 3 | 1899 | 2 |
| 383 Union Street | C0 Three-family walk-up | 3 | 1899 | 39 |
| 384 Union Street | C0 Three-family walk-up | 3 | 1899 | 13 |
| 385 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 386 Union Street | B1 Two-family home, brick | 2 | 1901 | 0 |
| 387 Union Street | B1 Two-family home, brick | 2 | 1899 | 1 |
| 388 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 389 Union Street | C6 Walk-up co-op | 3 | 1920 | 15 |
| 390 Union Street | C0 Three-family walk-up | 3 | 1901 | 0 |
| 391 Union Street | A4 One-family city residence | 1 | 1899 | 0 |
| 392 Union Street | B9 Two-family home, miscellaneous | 2 | 1901 | 1 |
| 393 Union Street | C0 Three-family walk-up | 3 | 1920 | 1 |
| 395 Union Street | C0 Three-family walk-up | 3 | 1920 | 3 |
| 397 Union Street | B9 Two-family home, miscellaneous | 2 | 1900 | 1 |
| 399a Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 399 Union Street | C0 Three-family walk-up | 3 | 1899 | 1 |
| 401 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 403 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 3 |
| 405 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 407 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 1 |
| 409 Union Street | A4 One-family city residence | 1 | 1899 | 0 |
| 411 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 2 |
| 413 Union Street | C0 Three-family walk-up | 3 | 1899 | 6 |
| 415 Union Street | S9 Mixed-use: dwelling with stores or offices, miscellaneous | 3 | 1931 | 3 |
| 417 Union Street | C0 Three-family walk-up | 3 | 1899 | 6 |
| 419 Union Street | B1 Two-family home, brick | 2 | 1899 | 1 |
| 421 Union Street | B1 Two-family home, brick | 2 | 1899 | 4 |
| 423 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 425 Union Street | C0 Three-family walk-up | 3 | 1899 | 29 |
| 427 Union Street | C0 Three-family walk-up | 3 | 1899 | 17 |
| 429 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 431 Union Street | C0 Three-family walk-up | 3 | 1899 | 3 |
| 433 Union Street | C0 Three-family walk-up | 3 | 1899 | 10 |
| 434 Union Street | R3 Condominium | 3 | 1920 | 16 |
| 435 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 436 Union Street | C0 Three-family walk-up | 3 | 1910 | 11 |
| 437 Union Street | B1 Two-family home, brick | 2 | 1899 | 1 |
| 438 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 439 Union Street | C0 Three-family walk-up | 3 | 1899 | 2 |
| 440 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1931 | 0 |
| 441 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 1 |
| 442 Union Street | B2 Two-family home, frame | 2 | 2014 | 1 |
| 443 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 0 |
| 444 Union Street | A9 One-family home, miscellaneous | 1 | 1989 | 0 |
| 445 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 447 Union Street | A4 One-family city residence | 1 | 1899 | 3 |
| 452 Union Street | D7 Elevator apartments, semi-fireproof, with stores | 158 | 2025 | 24 |
| 453 Union Street | A9 One-family home, miscellaneous | 1 | 1910 | 3 |
| 455 Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 2 |
| 457 Union Street | A4 One-family city residence | 1 | 1910 | 1 |
| 459 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 1 |
| 461 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 463 Union Street | C0 Three-family walk-up | 3 | 1899 | 2 |
| 465 Union Street | B1 Two-family home, brick | 2 | 1899 | 3 |
| 467 Union Street | A9 One-family home, miscellaneous | 1 | 2014 | 3 |
| 469 Union Street | A3 One-family home | 1 | 2017 | 0 |
| 471 Union Street | V0 Vacant land zoned residential | 0 | — | 0 |
| 473 Union Street | B1 Two-family home, brick | 2 | 1899 | 21 |
| 475 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 3 |
| 477 Union Street | Z0 Miscellaneous | 0 | — | 0 |
| 479 Union Street | Z0 Miscellaneous | 0 | — | 0 |
| 481 Union Street | C0 Three-family walk-up | 3 | 2016 | 0 |
| 483 Union Street | C0 Three-family walk-up | 3 | 2016 | 6 |
| 485 Union Street | C0 Three-family walk-up | 3 | 2016 | 7 |
| 498 Union Street | D7 Elevator apartments, semi-fireproof, with stores | 654 | 2024 | 32 |
| 499 Union Street | K1 Store building | 0 | 1931 | 5 |
| 514 Union Street | K1 Store building | 0 | 1919 | 1 |
| 525 Union Street | F5 Factory / industrial building | 1 | 1930 | 6 |
| 543 Union Street | RW Condominium | 0 | — | 11 |
| 544 Union Street | S4 Mixed-use: four-family home with one store or office | 4 | 1931 | 39 |
| 548 Union Street | E9 Warehouse | 0 | 1910 | 22 |
| 553 Union Street | F5 Factory / industrial building | 0 | 1931 | 2 |
| 555 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 65 |
| 557 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 129 |
| 563 Union Street | B1 Two-family home, brick | 2 | 1899 | 2 |
| 565 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 30 |
| 567 Union Street | C7 Walk-up apartments, more than six families, with stores | 8 | 1920 | 12 |
| 569 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 5 | 1920 | 6 |
| 570 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1931 | 1 |
| 571 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 3 |
| 572 Union Street | C1 Walk-up apartments, more than six families, no stores | 9 | 1931 | 28 |
| 573 Union Street | C3 Walk-up apartments, four families | 4 | 1900 | 5 |
| 575 Union Street | C0 Three-family walk-up | 3 | 1901 | 4 |
| 576 Union Street | G2 Garage, gas station or parking | 0 | 1965 | 7 |
| 578 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 70 |
| 580 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 1 |
| 584 Union Street | G2 Garage, gas station or parking | 0 | 1968 | 0 |
| 585 Union Street | D7 Elevator apartments, semi-fireproof, with stores | 214 | 2023 | 6 |
| 586 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1931 | 51 |
| 588 Union Street | V1 Vacant land zoned commercial | 0 | — | 29 |
| 590 Union Street | G2 Garage, gas station or parking | 0 | 1994 | 14 |
| 600 Union Street | K1 Store building | 0 | 1941 | 6 |
| 608 Union Street | E2 Warehouse | 0 | 1927 | 12 |
| 625 Union Street | H3 Hotel | 0 | 2006 | 9 |
| 629 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1931 | 11 |
| 630 Union Street | R2 Condominium | 30 | 1909 | 30 |
| 633 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1931 | 23 |
| 634 Union Street | QG Outdoor recreation facility | 0 | — | 0 |
| 636 Union Street | QG Outdoor recreation facility | 0 | — | 0 |
| 637 Union Street | G2 Garage, gas station or parking | 0 | 1931 | 2 |
| 638 Union Street | B1 Two-family home, brick | 2 | 1901 | 0 |
| 639 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1931 | 143 |
| 640 Union Street | Q9 Outdoor recreation facility | 0 | — | 0 |
| 642 Union Street | B2 Two-family home, frame | 2 | 1901 | 1 |
| 643 Union Street | G7 Garage, gas station or parking | 0 | — | 2 |
| 644 Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 0 |
| 646 Union Street | C0 Three-family walk-up | 3 | 1901 | 0 |
| 647 Union Street | H3 Hotel | 0 | 2015 | 32 |
| 648 Union Street | C0 Three-family walk-up | 3 | 1901 | 11 |
| 650 Union Street | C0 Three-family walk-up | 3 | 1901 | 16 |
| 652 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1910 | 4 |
| 654 Union Street | B1 Two-family home, brick | 2 | 1901 | 2 |
| 656 Union Street | C0 Three-family walk-up | 3 | 1901 | 20 |
| 658 Union Street | R6 Condominium | 3 | 2006 | 1 |
| 660 Union Street | C0 Three-family walk-up | 3 | 1901 | 19 |
| 662 Union Street | B1 Two-family home, brick | 2 | 1901 | 0 |
| 664 Union Street | B1 Two-family home, brick | 2 | 1901 | 1 |
| 666 Union Street | B1 Two-family home, brick | 2 | 1901 | 0 |
| 670 Union Street | R4 Condominium | 14 | — | 0 |
| 673 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 73 |
| 674 Union Street | B1 Two-family home, brick | 2 | 1920 | 4 |
| 675 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 20 |
| 676 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1920 | 1 |
| 677 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 7 |
| 678 Union Street | R1 Condominium | 10 | — | 2 |
| 680 Union Street | C1 Walk-up apartments, more than six families, no stores | 10 | 1920 | 3 |
| 681 Union Street | C6 Walk-up co-op | 6 | 1912 | 19 |
| 682 Union Street | K4 Store building | 2 | 1920 | 2 |
| 683 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 15 |
| 685 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 83 |
| 687 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 30 |
| 688 Union Street | S4 Mixed-use: four-family home with one store or office | 4 | 1921 | 3 |
| 691 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 76 |
| 693 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 7 |
| 695 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 0 |
| 699 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1945 | 0 |
| 701 Union Street | R1 Condominium | 9 | 2013 | 2 |
| 702 Union Street | K1 Store building | 0 | 1920 | 7 |
| 703 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 2 |
| 705 Union Street | A4 One-family city residence | 1 | 1899 | 0 |
| 706 Union Street | R1 Condominium | 4 | 1920 | 7 |
| 707a Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 0 |
| 707 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 0 |
| 708 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 1 |
| 709 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 40 |
| 710 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 2 |
| 711 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 29 |
| 712 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 1 |
| 712a Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 0 |
| 713 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 1 |
| 714 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 715 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 2 |
| 716 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 716a Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 717 Union Street | B9 Two-family home, miscellaneous | 2 | 1899 | 1 |
| 718 Union Street | C0 Three-family walk-up | 3 | 1899 | 3 |
| 719 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 6 |
| 720 Union Street | C0 Three-family walk-up | 3 | 1899 | 1 |
| 721 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 5 |
| 722 Union Street | A9 One-family home, miscellaneous | 1 | 1899 | 2 |
| 722a Union Street | B3 Two-family home converted from one-family | 2 | 1899 | 0 |
| 723 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 2 |
| 724 Union Street | B3 Two-family home converted from one-family | 2 | 1899 | 0 |
| 725 Union Street | R1 Condominium | 4 | 1920 | 5 |
| 726 Union Street | B3 Two-family home converted from one-family | 2 | 1899 | 1 |
| 726a Union Street | B1 Two-family home, brick | 2 | 1910 | 1 |
| 728 Union Street | A4 One-family city residence | 1 | 1899 | 0 |
| 730 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 732 Union Street | C0 Three-family walk-up | 3 | 1899 | 2 |
| 732a Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 734 Union Street | B3 Two-family home converted from one-family | 2 | 1899 | 0 |
| 736 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 736a Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 8 |
| 738 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 12 |
| 740 Union Street | B3 Two-family home converted from one-family | 2 | 1899 | 30 |
| 740a Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 742 Union Street | R1 Condominium | 4 | 1931 | 1 |
| 743 Union Street | R1 Condominium | 8 | 1931 | 5 |
| 744 Union Street | B1 Two-family home, brick | 2 | 1899 | 0 |
| 745 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 10 |
| 746 Union Street | C0 Three-family walk-up | 3 | 1899 | 3 |
| 746a Union Street | C0 Three-family walk-up | 3 | 1899 | 4 |
| 747 Union Street | C6 Walk-up co-op | 4 | 1920 | 0 |
| 748 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1915 | 0 |
| 749 Union Street | C6 Walk-up co-op | 8 | 1920 | 10 |
| 750 Union Street | C0 Three-family walk-up | 3 | 1899 | 8 |
| 751 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 4 |
| 752 Union Street | S5 Mixed-use: five- or six-family home with one store or office | 6 | 1920 | 122 |
| 753a Union Street | C6 Walk-up co-op | 4 | 1912 | 15 |
| 753 Union Street | C0 Three-family walk-up | 3 | 1920 | 0 |
| 755 Union Street | B3 Two-family home converted from one-family | 2 | 1901 | 2 |
| 756 Union Street | C7 Walk-up apartments, more than six families, with stores | 12 | 1920 | 34 |
| 756a Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 757a Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 757 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 3 |
| 758 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 759 Union Street | C0 Three-family walk-up | 3 | 1901 | 0 |
| 760 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 12 |
| 761 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 3 |
| 762 Union Street | C6 Walk-up co-op | 4 | 1920 | 0 |
| 763a Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 763 Union Street | C0 Three-family walk-up | 3 | 1899 | 0 |
| 764 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 9 |
| 765 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 19 |
| 766 Union Street | RM Condominium | 4 | 1920 | 1 |
| 767 Union Street | C1 Walk-up apartments, more than six families, no stores | 10 | 1920 | 24 |
| 768 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 2 |
| 769 Union Street | C4 Old-law tenement | 8 | 1920 | 31 |
| 770 Union Street | C1 Walk-up apartments, more than six families, no stores | 9 | 1920 | 29 |
| 771a Union Street | C0 Three-family walk-up | 3 | 1910 | 12 |
| 771 Union Street | C6 Walk-up co-op | 4 | 1920 | 2 |
| 772 Union Street | C1 Walk-up apartments, more than six families, no stores | 24 | 1920 | 28 |
| 773 Union Street | C0 Three-family walk-up | 3 | 1901 | 27 |
| 775 Union Street | B3 Two-family home converted from one-family | 2 | 1901 | 0 |
| 777a Union Street | B1 Two-family home, brick | 2 | 1901 | 9 |
| 777 Union Street | B3 Two-family home converted from one-family | 2 | 1901 | 18 |
| 778 Union Street | W2 Educational building | 0 | 1931 | 7 |
| 779 Union Street | B3 Two-family home converted from one-family | 2 | 1901 | 1 |
| 780 Union Street | K2 Store building | 0 | 1920 | 11 |
| 781 Union Street | C6 Walk-up co-op | 8 | 1912 | 5 |
| 783 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 65 |
| 785 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 13 |
| 788 Union Street | Y1 Government / city building | 0 | 1900 | 8 |
| 788a Union Street | K4 Store building | 1 | 1920 | 1 |
| 792 Union Street | K2 Store building | 0 | 1920 | 9 |
| 794 Union Street | O5 Office building | 0 | 1920 | 11 |
| 799 Union Street | C6 Walk-up co-op | 4 | 1920 | 1 |
| 800 Union Street | RM Condominium | 28 | 1910 | 24 |
| 801 Union Street | C6 Walk-up co-op | 4 | 1920 | 3 |
| 803 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 805 Union Street | S3 Mixed-use: three-family home with one store or office | 3 | 1920 | 0 |
| 807 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 809 Union Street | C3 Walk-up apartments, four families | 4 | 1930 | 1 |
| 810 Union Street | K4 Store building | 5 | 1931 | 13 |
| 811 Union Street | G9 Garage, gas station or parking | 0 | 1921 | 1 |
| 814 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1921 | 0 |
| 815 Union Street | C0 Three-family walk-up | 3 | 1901 | 0 |
| 816 Union Street | B1 Two-family home, brick | 2 | 1905 | 0 |
| 817 Union Street | B3 Two-family home converted from one-family | 2 | 1901 | 0 |
| 818 Union Street | B3 Two-family home converted from one-family | 2 | 1890 | 0 |
| 819 Union Street | C0 Three-family walk-up | 3 | 1901 | 6 |
| 820 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 5 |
| 821a Union Street | C6 Walk-up co-op | 4 | 1920 | 5 |
| 821 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1920 | 18 |
| 822 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1885 | 3 |
| 823 Union Street | B1 Two-family home, brick | 2 | 1901 | 3 |
| 824 Union Street | C0 Three-family walk-up | 3 | 1885 | 1 |
| 825 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 8 |
| 826 Union Street | C3 Walk-up apartments, four families | 4 | 1885 | 24 |
| 827 Union Street | C1 Walk-up apartments, more than six families, no stores | 7 | 1920 | 1 |
| 828 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 1 |
| 829 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 0 |
| 830 Union Street | C3 Walk-up apartments, four families | 4 | 1885 | 1 |
| 831 Union Street | C3 Walk-up apartments, four families | 4 | 1920 | 14 |
| 832 Union Street | C1 Walk-up apartments, more than six families, no stores | 7 | 1885 | 8 |
| 833 Union Street | K4 Store building | 0 | 1921 | 3 |
| 834 Union Street | C3 Walk-up apartments, four families | 4 | 1885 | 1 |
| 835 Union Street | S2 Mixed-use: two-family home with one store or office | 2 | 1921 | 6 |
| 836 Union Street | S4 Mixed-use: four-family home with one store or office | 4 | 1885 | 18 |
| 837 Union Street | K4 Store building | 0 | 1920 | 9 |
| 838 Union Street | B1 Two-family home, brick | 2 | 1885 | 1 |
| 840 Union Street | C6 Walk-up co-op | 4 | 1885 | 11 |
| 842 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 1 |
| 844 Union Street | C0 Three-family walk-up | 3 | 1885 | 2 |
| 845 Union Street | R0 Condominium | 0 | 1928 | 4 |
| 846 Union Street | B1 Two-family home, brick | 2 | 1902 | 0 |
| 848 Union Street | C0 Three-family walk-up | 3 | 1902 | 7 |
| 850 Union Street | B1 Two-family home, brick | 2 | 1902 | 0 |
| 852 Union Street | C2 Walk-up apartments, five or six families | 6 | 1902 | 7 |
| 854 Union Street | C0 Three-family walk-up | 3 | 1902 | 1 |
| 860 Union Street | B1 Two-family home, brick | 2 | 1899 | 1 |
| 862 Union Street | D1 Elevator apartments, semi-fireproof, no stores | 49 | 1923 | 8 |
| 865 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 0 |
| 867 Union Street | C0 Three-family walk-up | 3 | 1885 | 1 |
| 869 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1885 | 5 |
| 871 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 1 |
| 873 Union Street | C1 Walk-up apartments, more than six families, no stores | 8 | 1885 | 6 |
| 875 Union Street | B9 Two-family home, miscellaneous | 2 | 1885 | 7 |
| 877 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 3 |
| 879 Union Street | C2 Walk-up apartments, five or six families | 5 | 1885 | 5 |
| 881 Union Street | C6 Walk-up co-op | 5 | 1885 | 23 |
| 882 Union Street | R2 Condominium | 15 | 1901 | 2 |
| 883 Union Street | C1 Walk-up apartments, more than six families, no stores | 7 | 1885 | 0 |
| 885 Union Street | C1 Walk-up apartments, more than six families, no stores | 7 | 1885 | 1 |
| 886 Union Street | C1 Walk-up apartments, more than six families, no stores | 9 | 1907 | 5 |
| 887 Union Street | B3 Two-family home converted from one-family | 2 | 1885 | 1 |
| 888 Union Street | C1 Walk-up apartments, more than six families, no stores | 16 | 1922 | 31 |
| 889 Union Street | C6 Walk-up co-op | 2 | 1889 | 0 |
| 890a Union Street | V3 Vacant land | 0 | — | 0 |