210 Adelphi Street, Brooklyn, NY 11205
BBL 3020900039 (Borough 3, Block 2090, Lot 39) · BIN 3058507 · Last updated:
Summary · as of October 31, 2026
210 Adelphi Street (Brooklyn, NY 11205; tax lot BBL 3020900039) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1866, on a 2,000 sq ft lot zoned R6B. City tax records list the owner as MARY L CASH. The Department of Finance's final market value for tax year 2027 is $1,948,000. As of October 31, 2026, NYC Open Data shows 28 open HPD violations. There was one 311 request in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- MARY L CASH
- Building class
- C3 · Walk-up apartments, four families
- Year built · units
- 1866 · 4 res.
- Lot area · zoning
- 2,000 sq ft · R6B
- Market value (DOF)
- $1,948,000 FY2027
- Last priced deed
- —
- BBL
- 3020900039
- BIN
- 3058507
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 28Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “210 Adelphi Street, Brooklyn, NY 11205 (BBL 3020900039)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/210-adelphi-street-3020900039. Source: NYC Open Data.
Lot & building
Basic facts about the tax lot and building from the city’s PLUTO database.
- Owner (as listed by the city)
- MARY L CASHThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- C3 – Walk-up apartments, four familiesThe Department of Finance’s category for what kind of building this is.
- Land use
- Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
- Year built
- 1866Often an estimate for older buildings.
- Floors
- 3
- Units
- 4 residential / 4 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,000 sq ft (20 ft × 100 ft)
- Building floor area
- 3,600 sq ft
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.80 built / 2.00 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
- Historic district
- Fort Greene Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
- Identifiers
- BBL 3020900039 (Borough 3, Block 2090, Lot 39) · BIN 3058507BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-04; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $1,948,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
- Assessed value
- $876,600The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $119,761Assessed value minus any exemptions.
- Tax class
- Tax class 2A – residential rental, 4–6 units
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $1,948,000 | $876,600 | 2A |
| 2026 | Final | $1,623,000 | $730,350 | 2A |
| 2025 | Final | $1,352,400 | $608,580 | 2A |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-04
Sales & deed history 9
Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2000-07-13 | DEED | $0 / not stated | Schlank, Christophercolgan | Cash, Mary Louise | FT_3500007327750 |
| 1989-02-27 | DEED | $0 / not stated | Sample, Eric; Ellison, Ruben | Schlank, Christopherc | FT_3700001440570 |
| 1979-09-21 | DEED | $0 / not stated | Canuk Enterprise Sinc | Sample Eric; Sample Rubin | BK_7930110301733 |
| 1979-08-06 | DEED | $0 / not stated | Geissler Jennie L; Geissler Maurice V; Geissler Stephen J | Canuk Enterprises Inc | BK_7930109100047 |
| 1977-09-02 | DEED | $0 / not stated | Elmore Allan | Geissler Stephen; Geissler Jennie; Geissler Maurice | BK_7730094201713 |
| 1976-11-24 | DEED | $0 / not stated | Big Mother Holding Corp | Elmore Allan | BK_7630088600247 |
| 1973-08-16 | DEED | $0 / not stated | Logan Thomas M | Big Mother Holding Corp | BK_7330065300060 |
| 1972-05-15 | DEED | $0 / not stated | Dickson Lynne D | Logan Thomas M | BK_7230055601574 |
| 1971-04-16 | DEED | $0 / not stated | Calicchio Michael J; Calicchio Anna Maria | Dickson Lynne | BK_7130047601347 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-04
DOB job filings 0 open of 3
A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Not open SIGNED OFF · 2021-09-07 | 340663936 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2019-03-03 | $87,500 |
| Not open PLAN EXAM - IN PROCESS · 2019-02-14 | 340661698 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2019-02-14 | $87,500 |
| Not open PLAN EXAM - IN PROCESS · 2018-11-01 | 340643959 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2018-11-01 | $97,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-04; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 4
Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2021-04-16 | 2022-04-16 | 340663936 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2019-03-26 | 2020-09-30 | 340663936 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2019-03-19 | 2020-02-27 | 340663936 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2019-03-19 | 2020-02-27 | 340663936 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-04; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 0 active of 3
Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2006-03-06 | LANDMK-LANDMARK NONE | V*030606LANDMK06-0443 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1990-10-18 | LANDMK-LANDMARK NONE | V*101890LANDMK91-0247 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1990-10-18 | LANDMRK-LANDMARK NONE | V*101890LANDMRKVIOL |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-04
ECB violations (DOB) 0 active of 0
DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.
No records found in this dataset for this lot.
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-04
OATH tickets (all agencies) 0 unpaid of 2
Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL | 2026-09-11 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | MARY L CASH | $50 / $50 / $0 | 049869777X |
| No balance due Default PAID IN FULL · DEFAULTED | 2017-07-01 | Sanitation Others | DIRTY SIDEWALK DIRTY AREA | MARY L | $130 / $130 / $0 | 0195872600 |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-04
HPD registration & contacts
Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.
- HPD building ID
- 182656
- Last registered
- 2024-09-20
- Registration valid until
- 2025-09-01 ExpiredRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Individualowner | Mary Cash | Bklyn, Ny | |
| Sitemanager | Mary Cash |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04
HPD housing-code violations 28 open of 37
Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Open Nov Sent Out · 2026-05-01 | A | 2026-05-01 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Info Nov Sent Out · 2025-11-18 | I | 2025-11-18 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2025-06-06 | A | 2025-06-06 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2024-04-08 | A | 2024-04-08 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2023-03-21 | A | 2023-03-21 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2022-02-23 | A | 2022-02-23 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2021-04-07 | A | 2021-04-07 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2012-08-07 | B | 2012-08-07 | SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING A MINIMUM OF 100 WATTS INCANDESCENT LIGHT REQUIRED. | |
| Open Nov Sent Out · 2012-04-11 | B | 2012-04-11 | SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING A MINIMUM OF 100 WATTS INCANDESCENT LIGHT REQUIRED. | |
| Open Nov Sent Out · 2008-06-10 | A | 2008-06-10 | SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRES CEILING 3 STY APT 4 NORTHWEST ROOM. | |
| Open Nov Sent Out · 2008-06-10 | C | 2008-06-10 | SECTION 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR. | |
| Open Nov Sent Out · 2008-06-10 | C | 2008-06-10 | D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DOUBLE CYLINDER KEY OPERATED LOCK ENTRANCE 1 STY APT 2. | |
| Open Nov Sent Out · 2008-06-10 | A | 2008-06-10 | SECTION 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX MISSING. | |
| Open Nov Sent Out · 2008-06-10 | C | 2008-06-10 | SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DOUBLE CYLINDER KEY OPERATED LOCK ENTRANCE 1 STY APT 2. | |
| Open Nov Sent Out · 2008-06-10 | A | 2008-06-10 | SECTION 27-2005 ADM CODE PROPERLY SECURE THE LOOSE LIGHT FIXTURE CEILING 3 STY APT 4 NORTHEAST ROOM. | |
| Open Nov Sent Out · 2008-06-10 | B | 2008-06-10 | SECTION 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES 3 STY REAR BALCONY. | |
| Open Nov Sent Out · 2008-06-10 | B | 2008-06-10 | SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MASONRY NOSING 4 5 8 & 9 UP FROM BOTTOM BLDG FRONT. | |
| Open Nov Sent Out · 2008-06-10 | B | 2008-06-10 | SECTION 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ENTRANCE TO 3 STY APT 4. | |
| Open Nov Sent Out · 2008-06-10 | B | 2008-06-10 | SECTION 27-2005 ADM CODE PROPERLY SECURE THE LOOSE CEILING LIGHT FIXTURE 3 STY APT 4 NORTHWEST ROOM. | |
| Open Nov Sent Out · 2008-06-10 | B | 2008-06-10 | SECTION 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR THRU OUT. |
Showing 20 of 37 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-04
HPD complaints 0
Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.
No records found in this dataset for this lot.
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-04
311 requests (last 12 months) 1
Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2025-11-14 | DSNY | Obstruction – Trash or Recycling | Closed | 2025-11-14 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-04; data as of 2026-11-04
Nearby properties
On Adelphi St
- 208 Adelphi Street (one open item)
- 212 Adelphi Street (six open items)
- 206 Adelphi Street
- 214 Adelphi Street (four open items)
- 204 Adelphi Street (two open items)
- 216 Adelphi Street (eight open items)
- 202 Adelphi Street (42 open items)
- 218 Adelphi Street (24 open items)
- 200 Adelphi Street (88 open items)
- 220 Adelphi Street
Same tax block (2090)
- 269 Carlton Avenue (17 open items)
- 267 Carlton Avenue
- 265 Carlton Avenue
- 263 Carlton Avenue
- 261 Carlton Avenue (three open items)
- 259 Carlton Avenue
- 257 Carlton Avenue (one open item)
- 255 Carlton Avenue (one open item)
- 253 Carlton Avenue (23 open items)
- 251 Carlton Avenue
All properties on Adelphi St, Brooklyn · All of Brooklyn 11205 (Bedford-Stuyvesant (West))
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs