833 Knickerbocker Avenue, Brooklyn, NY 11237
BBL 3034257501 (Block 3425, Lot 7501) · BIN 3079360 · Last updated:
Summary
833 Knickerbocker Avenue (Brooklyn, NY 11237) is a condominium (building class R0: condominium (subtype R0)), built around 1931, on a 3,667 sq ft lot zoned R6. City tax records list the owner as 831 ON LLC. As of October 31, 2026, NYC Open Data shows nine open HPD violations. There were six 311 requests in the past 12 months and no HPD complaints since 2019.
At a glance
Lot & building
Basic facts about the tax lot and building from the city’s PLUTO database.
- Owner (as listed by the city)
- 831 ON LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- R0 – Condominium (subtype R0)The Department of Finance’s category for what kind of building this is.
- Land use
- —City Planning’s broad category of how the lot is used.
- Year built
- 1931Often an estimate for older buildings.
- Floors
- 2
- Units
- — residential / — totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 3,667 sq ft (36.67 ft × 100 ft)
- Building floor area
- 7,600 sq ft
- Zoning
- R6The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 2.07 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 3034257501 (Borough 3, Block 3425, Lot 7501) · BIN 3079360BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Official lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — dataset updated 2026-08-24, fetched 2026-10-31; Building Footprints — dataset updated 2026-10-25, fetched 2026-10-31
Tax assessment
How the Department of Finance values this lot for property tax.
No assessment records found for this lot (condominium units are assessed under separate unit lots).
Source: DOF Property Valuation and Assessment Data — dataset updated 2026-09-14, fetched 2026-10-31
Sales & deed history 0
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.
No records found in this dataset for this lot.
Source: ACRIS Real Property Master — dataset updated 2026-10-08, fetched 2026-10-31; ACRIS Real Property Legals — dataset updated 2026-10-08, fetched 2026-10-31; ACRIS Real Property Parties — dataset updated 2026-10-08, fetched 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 — dataset updated 2026-10-30, fetched 2026-10-31; DOB Job Application Filings (BIS) — dataset updated 2026-10-30, fetched 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 — dataset updated 2026-10-30, fetched 2026-10-31; DOB Permit Issuance (BIS) — dataset updated 2026-10-31, fetched 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 — dataset updated 2026-10-31, fetched 2026-10-31
ECB violations (DOB) 0 active of 2
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 IN VIOLATION · CERTIFICATE ACCEPTED | 2025-03-28 | CLASS - 2 | AT TIME OF INSPECTION, CONTRACTOR FAILED TO PROVIDE SUFFICIENT LIGHTING FOR THE PUBLIC. AT EXP#1 AND EXP#2 THERE IS MISSING/BROKEN LIGHT BULBS., COMPLY TO CODE SPECIFICATIONS | $2,400 / $2,400 / $0 | 39143192P |
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2006-05-26 | Non-Hazardous | OCCUPANCY CONTRARY TO THAT ALLOWED.BY C.OF O. NOTED: C OF O.#39592 AT JULY 1, 1926. INDICATES.BUILDING OCCUPANCY FOR ONE STORE AND 3 FAMILY APT. IN CONTRARY IT WAS. A CHURCH AT FIRST FL. AND TWO APT. ON SEC. | $800 / $800 / $0 | 34518668H |
Source: DOB ECB Violations — dataset updated 2026-10-31, fetched 2026-10-31
OATH tickets (all agencies) 0 unpaid of 0
Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s address. 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.
No records found in this dataset for this lot.
Source: OATH Hearings Division Case Status — dataset updated 2026-10-31, fetched 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.
No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).
Source: HPD Multiple Dwelling Registrations — dataset updated 2026-10-28, fetched 2026-10-31; HPD Registration Contacts — dataset updated 2026-10-28, fetched 2026-10-31
HPD housing-code violations 9 open of 13
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 · 2026-05-05 | A | 2026-05-05 | (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 · 2025-06-10 | 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. | |
| Open Info Nov Sent Out · 2024-11-26 | I | 2024-11-26 | §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 · 2024-04-10 | 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. | |
| Open Info Nov Sent Out · 2023-11-17 | I | 2023-11-17 | §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 · 2023-03-23 | 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. | |
| Open Nov Sent Out · 2022-02-25 | 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. | |
| Open Nov Sent Out · 2021-04-09 | 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. | |
| Closed Violation Dismissed · 2022-09-23 | I | 2022-02-25 | §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 · 2022-09-23 | I | 2021-04-09 | §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 · 2019-09-20 | I | 2018-10-18 | §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 | |
| Closed Violation Dismissed · 2017-09-21 | I | 2016-11-10 | §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 |
Source: HPD Housing Maintenance Code Violations — dataset updated 2026-10-31, fetched 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 — dataset updated 2026-10-31, fetched 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 |
|---|---|---|---|---|
| 2026-10-17 | NYPD | Blocked Driveway – No Access | Closed | 2026-10-17 |
| 2026-10-14 | NYPD | Blocked Driveway – Partial Access | Closed | 2026-10-15 |
| 2026-10-14 | NYPD | Blocked Driveway – Partial Access | Closed | 2026-10-15 |
| 2026-10-02 | NYPD | Blocked Driveway – Partial Access | Closed | 2026-10-03 |
| 2026-10-01 | NYPD | Blocked Driveway – No Access | Closed | 2026-10-01 |
| 2026-09-09 | NYPD | Illegal Parking – Commercial Overnight Parking | Closed | 2026-09-09 |
Source: 311 Service Requests from 2020 to Present — dataset updated 2026-10-31, fetched 2026-10-31
Nearby properties
On Knickerbocker Ave
- 783 Knickerbocker Avenue (12 open items)
- 785 Knickerbocker Avenue (17 open items)
- 803 Knickerbocker Avenue (12 open items)
- 833 Knickerbocker Avenue (seven open items)
- 875 Knickerbocker Avenue (16 open items)
- 879 Knickerbocker Avenue (109 open items)
- 903 Knickerbocker Avenue (nine open items)
Same tax block (3425)
- 290 Covert Street (one open item)
- 292 Covert Street (three open items)
- 296 Covert Street (one open item)
- 298 Covert Street (28 open items)
- 302 Covert Street (three open items)
- 304 Covert Street (one open item)
- 308 Covert Street (16 open items)
- 310 Covert Street (three open items)
All properties on Knickerbocker Ave · All of 11237 (Bushwick)
Data as of October 31, 2026 (cached NYC Open Data; each section shows its own dataset date). Machine-readable: /api/property/3034257501.json