216 Knickerbocker Avenue, Brooklyn, NY 11237
BBL 3031740035 (Borough 3, Block 3174, Lot 35) · BIN 3072324 · Last updated:
Summary · as of October 31, 2026
216 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3031740035) is a 4-unit mixed-use building with apartments and ground-floor commercial space (building class S4: mixed-use: four-family home with one store or office), built around 1931, on a 2,500 sq ft lot zoned R6. City tax records list the owner as 216 KNICKERBOCKER LLC; per ACRIS, a deed to this owner dated May 18, 2026 lists a price of $1,700,000. The Department of Finance's final market value for tax year 2027 is $1,271,000. As of October 31, 2026, NYC Open Data shows six OATH tickets with an unpaid balance. There were six 311 requests 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
- 216 KNICKERBOCKER LLC
- Building class
- S4 · Mixed-use: four-family home with one store or office
- Year built · units
- 1931 · 4 res.
- Lot area · zoning
- 2,500 sq ft · R6
- Market value (DOF)
- $1,271,000 FY2027
- Last priced deed
- $1,700,000 · 2026-05-18
- BBL
- 3031740035
- BIN
- 3072324
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 6OATH tickets with unpaid balance
How to cite: NYC Property Facts, “216 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3031740035)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/216-knickerbocker-avenue-3031740035. 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)
- 216 KNICKERBOCKER LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- S4 – Mixed-use: four-family home with one store or officeThe Department of Finance’s category for what kind of building this is.
- Land use
- Mixed residential & commercialCity Planning’s broad category of how the lot is used.
- Year built
- 1931Often an estimate for older buildings.
- Floors
- 3
- Units
- 4 residential / 5 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,500 sq ft (25 ft × 100 ft)
- Building floor area
- 5,700 sq ft (incl. 2,700 sq ft commercial)
- Zoning
- R6, C1-3The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
- Built vs. allowed density (FAR)
- 2.28 built / 2.43 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).
- Identifiers
- BBL 3031740035 (Borough 3, Block 3174, Lot 35) · BIN 3072324BBL 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 2026-10-31; Building Footprints — city dataset updated 2026-10-25; data as of 2026-10-31
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $1,271,000The 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
- $571,950The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $134,592Assessed 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 | $1,271,000 | $571,950 | 2A |
| 2026 | Final | $1,059,000 | $476,550 | 2A |
| 2025 | Final | $1,324,000 | $595,800 | 2A |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-10-31
Sales & deed history 6
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 |
|---|---|---|---|---|---|
| 2026-05-18 | DEED | $1,700,000 | Lau, Si Ying; Lau, Allen N.K. | 216 Knickerbocker Llc | 2026052000505001 |
| 1988-09-06 | DEED | $0 / not stated | United Stars Enterpco I | Lau, Allen N K; Lau, Si Ying | FT_3930001398193 |
| 1988-03-25 | DEED | $0 / not stated | Natal, Eliseo | United Stars Enterprise | FT_3050001355905 |
| 1983-04-26 | DEED | $0 / not stated | Perea, Josefa; Perea, Enrique | Natal, Eliseo | FT_3800000958380 |
| 1974-02-26 | DEED | $0 / not stated | Palermo Josephine | Perea Josefa; Perea Enrique | BK_7430069300999 |
| 1968-11-06 | DEED | $0 / not stated | Alesi Frances; Bertolino Rosalie | Palermo Josephine | BK_6830028800114 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-10-31
DOB job filings 0 open of 0
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.
No records found in this dataset for this lot.
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 0
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.
No records found in this dataset for this lot.
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 0 active of 0
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).
No records found in this dataset for this lot.
Source: DOB Violations — city dataset updated 2026-10-31; data as of 2026-10-31
ECB violations (DOB) 0 active of 1
DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active means the condition has not been certified as corrected and/or the case is not resolved. A balance due is a fine the city says is unpaid.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved CURED/IN-VIO · CURE ACCEPTED | 2023-11-28 | CLASS - 2 | WORK WITHOUT PERMIT .UPON INSPECTION OBSERVED AN HVAC UNIT INSTALLED AT EXPO.#2 AT 2ND FLOOR .DOB RECORDS INDICATE NO PERMIT ON FILE ., OBTAIN ALL PERMITS | $0 / $0 / $0 | 39100221P |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-10-31
OATH tickets (all agencies) 6 unpaid of 46
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 # |
|---|---|---|---|---|---|---|
| Unpaid balance Default DEFAULTED · DEFAULTED | 2026-02-06 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | GUTIERREZ | $25 / $0 / $25 | 0220775143 |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-10-14 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | LANDI | $25 / $0 / $25 | 0220765573 |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-10-03 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | FLORES | $25 / $0 / $25 | 0220765454 |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-09-13 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | FLORES | $25 / $0 / $25 | 0220747488 |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-09-13 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | CASTRO DIAZ | $25 / $0 / $25 | 0220765490 |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-08-10 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | PEREZ | $25 / $0 / $25 | 0219973739 |
| Hearing pending RESCHEDULED | 2026-07-30 | Fire Department Of Nyc | AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION | VALERY DELI GROCERY CORP | $0 / $0 / $0 | 014264313X |
| No balance due Default PAID IN FULL · DEFAULTED | 2024-02-07 | Dos - Enforcement Agents | IMPROPER RECEPTACLE FOOD RELATED BUSINESS 1ST | VALERY DELI GROCERY CORP | $80 / $50 / $0 | 048257760X |
| No balance due PAID IN FULL | 2020-05-09 | Sanitation Others | UNCOVERED RECEPTACLES 1ST OFFENSE | ALLEN MUAN | $100 / $100 / $0 | 0210979176 |
| No balance due PAID IN FULL | 2018-11-03 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | ALLEN | $100 / $100 / $0 | 0205367324 |
| No balance due PAID IN FULL | 2017-09-06 | Dos - Enforcement Agents | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | ALLEN NUAN KOON LAU | $100 / $100 / $0 | 042008740N |
| No balance due Default PAID IN FULL · DEFAULT | 2016-08-09 | Sanitation Dept | RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITS | ALLEN NUAN KOON LAU | $25 / $25 / — | 044362170P |
Showing 12 of 46 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-10-31; data as of 2026-10-31
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
- 321193
- Last registered
- 2025-08-06
- Registration valid until
- 2026-09-01 ExpiredRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Sitemanager | Srndos | ||
| Individualowner | Allen Lau | Bklyn, Ny | |
| Lessee | Allen Lau | Bklyn, Ny |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-10-31; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-10-31
HPD housing-code violations 0 open of 6
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 |
|---|---|---|---|---|
| Closed Violation Dismissed · 2025-07-14 | A | 2025-06-10 | (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. | |
| Closed Violation Dismissed · 2024-04-25 | A | 2024-04-10 | (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. | |
| Closed Violation Dismissed · 2024-04-25 | A | 2023-03-23 | (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. | |
| Closed Violation Dismissed · 2023-08-22 | I | 2022-11-14 | §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 | |
| Closed Violation Dismissed · 2022-03-07 | A | 2022-02-25 | (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. | |
| Closed Violation Dismissed · 2021-06-08 | A | 2021-04-09 | (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. |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-10-31
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 2026-10-31; data as of 2026-10-31
311 requests (last 12 months) 6
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 |
|---|---|---|---|---|
| 2026-09-13 | NYPD | Illegal Parking – Blocked Bike Lane | Closed | 2026-09-13 |
| 2026-09-10 | DSNY | Graffiti – Graffiti | Closed | 2026-09-18 |
| 2026-03-31 | NYPD | Illegal Parking – Blocked Bike Lane | Closed | 2026-03-31 |
| 2026-03-30 | DOT | Sidewalk Condition – Sidewalk Violation | Closed | 2026-04-02 |
| 2026-03-18 | DSNY | Graffiti – Graffiti | Closed | 2026-03-26 |
| 2026-02-05 | NYPD | Illegal Parking – Blocked Crosswalk | Closed | 2026-02-05 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-10-31; data as of 2026-10-31
Nearby properties
On Knickerbocker Ave
- 215 Knickerbocker Avenue (five open items)
- 217 Knickerbocker Avenue (39 open items)
- 214 Knickerbocker Avenue (58 open items)
- 218 Knickerbocker Avenue (16 open items)
- 211 Knickerbocker Avenue (two open items)
- 221 Knickerbocker Avenue (21 open items)
- 210 Knickerbocker Avenue (five open items)
- 223 Knickerbocker Avenue (119 open items)
- 207 Knickerbocker Avenue (41 open items)
- 206 Knickerbocker Avenue (13 open items)
Same tax block (3174)
- 83 Wilson Avenue (16 open items)
- 81 Wilson Avenue (two open items)
- 75 Wilson Avenue (33 open items)
- 73 Wilson Avenue (20 open items)
- 71 Wilson Avenue (three open items)
- 69 Wilson Avenue (four open items)
- 228 Jefferson Street (20 open items)
- 240 Jefferson Street (116 open items)
- 242 Jefferson Street (35 open items)
- 244 Jefferson Street (26 open items)
All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11237 (Bushwick (West))
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · API & MCP docs