841 Knickerbocker Avenue, Brooklyn, NY 11207
BBL 3034250004 (Borough 3, Block 3425, Lot 4) · BIN 3079358 · Last updated:
Summary · as of October 31, 2026
841 Knickerbocker Avenue (Brooklyn, NY 11207; tax lot BBL 3034250004) is a 6-unit walk-up apartment building (building class C2: walk-up apartments, five or six families), built around 1906, on a 2,500 sq ft lot zoned R6. City tax records list the owner as 841 KNICKERBOCKER LLC; per ACRIS, a deed to this owner dated December 5, 2022 lists a price of $1,000,000. The Department of Finance's final market value for tax year 2027 is $956,000. As of October 31, 2026, NYC Open Data shows six active DOB violations, 55 open HPD violations and one OATH ticket with an unpaid balance. There were 15 311 requests in the past 12 months and two HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- 841 KNICKERBOCKER LLC
- Building class
- C2 · Walk-up apartments, five or six families
- Year built · units
- 1906 · 6 res.
- Lot area · zoning
- 2,500 sq ft · R6
- Market value (DOF)
- $956,000 FY2027
- Last priced deed
- $1,000,000 · 2022-12-05
- BBL
- 3034250004
- BIN
- 3079358
- 0Open DOB jobs (permit issued, no sign-off)
- 6Active DOB violations
- 0Active ECB violations
- 55Open HPD violations
- 1OATH tickets with unpaid balance
How to cite: NYC Property Facts, “841 Knickerbocker Avenue, Brooklyn, NY 11207 (BBL 3034250004)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/841-knickerbocker-avenue-3034250004. 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)
- 841 KNICKERBOCKER LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- C2 – Walk-up apartments, five or six 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
- 1906Often an estimate for older buildings.
- Floors
- 3
- Units
- 6 residential / 6 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
- 4,875 sq ft
- Zoning
- R6The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.95 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 3034250004 (Borough 3, Block 3425, Lot 4) · BIN 3079358BBL 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 2026-11-02; 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)
- $956,000The 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
- $430,200The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $101,963Assessed 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 | $956,000 | $430,200 | 2A |
| 2026 | Final | $797,000 | $358,650 | 2A |
| 2025 | Final | $996,000 | $448,200 | 2A |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02
Sales & deed history 2
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 |
|---|---|---|---|---|---|
| 2022-12-05 | DEED | $1,000,000 | Ashraf, Bibi F; Ashraf, Jainab; Farena Williams, Bibi; Ashraf, Waheeda | 841 Knickerbocker Llc | 2022121400355001 |
| 1998-09-15 | DEED | $0 / not stated | Clarke, Bernice; Clarke, Fitzalbert | Ashraf, Bibi F; Ashraf, Jainab; Ashraf, Waheeda | FT_3990006364799 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02
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 2026-11-01; data as of 2026-11-02; 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 2026-11-02; data as of 2026-11-02; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 6 active of 6
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 |
|---|---|---|---|---|
| Active V-DOB VIOLATION - ACTIVE | 2025-11-14 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION | V111425LBLVIO11581 |
| Active V-DOB VIOLATION - ACTIVE | 2005-01-31 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V013105LL629112350 | |
| Active V-DOB VIOLATION - ACTIVE | 1997-02-10 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V021097LL629125402 | |
| Active V-DOB VIOLATION - ACTIVE | 1994-06-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V060194LL629105085 | |
| Active V-DOB VIOLATION - ACTIVE | 1993-08-16 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V081693LL629122301 | |
| Active V-DOB VIOLATION - ACTIVE | 1993-06-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V060193LL629105084 |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-02
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 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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2000-10-16 | Non-Hazardous | 49-PIPE SAFETY OR FELEIF VALVE DOWN, INSTALL PIG-TAIL ON STEAM REPLACE BACK FLOW PREVETER GD WITH GOG BOILER IS OVER 350.000 BTU | $0 / $0 / $0 | 32021112X |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02
OATH tickets (all agencies) 1 unpaid of 33
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 DOCKETED · DEFAULTED | 2026-04-16 | Sanitation Others | IMPROPER RECEPTACLES 1ST OCCURRENCE | 841 KNICKERBOCKER LLC | $300 / $0 / $300 | 049694776M |
| No balance due PAID IN FULL | 2025-09-09 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | 841 KNICKERBOCKER LLC | $50 / $50 / $0 | 049330890Z |
| No balance due PAID IN FULL | 2025-08-16 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | 841 KNICKERBOCKER LLC | $50 / $50 / $0 | 049284193Z |
| No balance due PAID IN FULL · IN VIOLATION | 2025-05-30 | Pcs - Dohmh | FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST | LLC | $300 / $300 / $0 | 0803505708 |
| No balance due PAID IN FULL | 2025-05-10 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | 841 KNICKERBOCKER LLC | $50 / $50 / $0 | 049117774Z |
| No balance due PAID IN FULL | 2025-04-03 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | 841 KNICKERBOCKER LLC | $50 / $50 / $0 | 049034792Z |
| No balance due Default PAID IN FULL · DEFAULTED | 2019-03-26 | Dos - Enforcement Agents | LOOSE RUBBISH | ASHRAF | $130 / $100 / $0 | 044614324R |
| No balance due Default PAID IN FULL · DEFAULTED | 2017-09-28 | Dos - Enforcement Agents | DIRTY AREA | ASHRAF | $130 / $100 / $0 | 042167389N |
| No balance due Default PAID IN FULL · DEFAULTED | 2017-08-08 | Sanitation Others | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | ASHRAF | $130 / $100 / $0 | 0194034280 |
| No balance due PAID IN FULL | 2017-07-05 | Sanitation Recycling | SPILLAGE FROM TRUCK OR RECEPTACLE | ASHRAF | $100 / $100 / $0 | 0193972020 |
| No balance due PAID IN FULL | 2016-06-13 | Sanitation Dept | DIRTY AREA | ASHRAF | $100 / $100 / — | 041689442P |
| No balance due Default PAID IN FULL · DEFAULT | 2015-12-10 | Sanitation Dept | LOOSE RUBBISH | ASHRAF | $130 / $100 / — | 044361748H |
Showing 12 of 33 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02
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
- 321453
- Last registered
- 2026-07-27
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Headofficer | Adrian Moonian | Uniondale, Ny | |
| Sitemanager | Adrian Moonian | ||
| Agent | Adrian Moonian | South Ozone Park, Ny | |
| Corporateowner | 841 KNICKERBOCKER LLC | Uniondale, Ny |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02
HPD housing-code violations 55 open of 75
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 · 2019-09-03 | A | 2019-09-03 | § 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2019-09-03 | A | 2019-09-03 | § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2019-09-03 | A | 2019-09-03 | § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED | |
| Open Nov Sent Out · 2019-09-03 | C | 2019-09-03 | § 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 NOTICE MISSING AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2014-11-20 | B | 2014-11-20 | 1R | SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. AT ENTIRE APARTMENT, 1st STORY, APARTMENT |
| Open Nov Sent Out · 2014-11-20 | B | 2014-11-20 | 1R | SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE AT ENTIRE APARTMENT, 1st STORY, APARTMENT |
| Open Nov Sent Out · 2014-10-16 | A | 2014-10-16 | 1R | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST WALL, 1st DOOR FROM NORTH AT EAST WALL, 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 4th ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EA |
| Open Nov Sent Out · 2014-10-16 | B | 2014-10-16 | 1R | SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2014-10-16 | C | 2014-10-16 | 1L | SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st DOOR FRAME FROM EAST AT SOUTH WALL I |
| Open Nov Sent Out · 2014-10-16 | B | 2014-10-16 | 1L | SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). INOPERABLE LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2014-10-16 | B | 2014-10-16 | 1L | SECTION 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM AT LEAST 1 WINDOW OR PROVIDE APPROVED TYPE GATE .. LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2014-10-16 | C | 2014-10-16 | 1L | SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st DOOR FRAME FROM NORTH AT EAST WALL I |
| Open Nov Sent Out · 2014-10-16 | C | 2014-10-16 | 1R | SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) SOUTH WALL IN THE 3rd ROOM FROM EAST LOC |
| Open Nov Sent Out · 2014-10-16 | A | 2014-10-16 | 1L | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE 3rd ROOM FROM EAST, THE KITCHEN , THE BATHROOM LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2014-10-16 | B | 2014-10-16 | 1R | SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2014-10-16 | C | 2014-10-16 | 1R | SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) NORTH WALL IN THE 4th ROOM FROM EAST LOC |
| Open Nov Sent Out · 2014-10-16 | A | 2014-10-16 | 1R | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE 2nd ROOM FROM EAST, THE 5th ROOM FROM EAST, THE KITCHEN , THE BATHROOM LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOU |
| Open Nov Sent Out · 2014-10-16 | A | 2014-10-16 | 1L | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST WALL, 1st DOOR FROM EAST AT SOUTH WALL, NORTH WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2014-10-16 | A | 2014-10-16 | 1R | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE NORTH WALL, EAST WALL, 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2014-10-09 | B | 2014-10-09 | 1R | SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH |
Showing 20 of 75 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 2026-11-02
HPD complaints 2
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.
| Received | Status | Apt | Problem(s) | Outcome |
|---|---|---|---|---|
| 2021-01-16 | CLOSE | 2L | Heat/Hot Water – Apartment Only | The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed |
| 2019-08-22 | CLOSE | 3R | General – Mailbox | The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. |
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-02
311 requests (last 12 months) 15
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 |
|---|---|---|---|---|
| 2026-10-31 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-10-31 |
| 2026-09-03 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-09-03 |
| 2026-08-08 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-08-08 |
| 2026-07-31 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-07-31 |
| 2026-07-23 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-07-23 |
| 2026-07-15 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-07-15 |
| 2026-07-05 | DEP | Water System – Fire Hydrant Emergency (FHE) | Closed | 2026-07-05 |
| 2026-07-03 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-07-04 |
| 2026-06-28 | NYPD | Noise - Street/Sidewalk – Loud Music/Party | Closed | 2026-06-28 |
| 2026-06-14 | NYPD | Noise - Commercial – Banging/Pounding | Closed | 2026-06-14 |
Showing 10 of 15 records. The API and the source dataset have the full list.
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On Knickerbocker Ave
- 843 Knickerbocker Avenue (25 open items)
- 839 Knickerbocker Avenue (one open item)
- 844 Knickerbocker Avenue (seven open items)
- 845 Knickerbocker Avenue (eight open items)
- 837 Knickerbocker Avenue (two open items)
- 846 Knickerbocker Avenue (three open items)
- 847 Knickerbocker Avenue (25 open items)
- 835 Knickerbocker Avenue (28 open items)
- 848 Knickerbocker Avenue
- 833 Knickerbocker Avenue (seven open items)
Same tax block (3425)
- 847 Knickerbocker Avenue (25 open items)
- 845 Knickerbocker Avenue (eight open items)
- 843 Knickerbocker Avenue (25 open items)
- 839 Knickerbocker Avenue (one open item)
- 837 Knickerbocker Avenue (two open items)
- 835 Knickerbocker Avenue (28 open items)
- 833 Knickerbocker Avenue (seven open items)
- 290 Covert Street (one open item)
- 292 Covert Street (three open items)
- 296 Covert Street (one open item)
All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11207 (East New York-New Lots)
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