# 871 Knickerbocker Avenue, Brooklyn, NY 11207

BBL 3034310003 · Block 3431 · Lot 3 · BIN 3079573  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/871-knickerbocker-avenue-3034310003  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

Also recorded as: 871824 Knickerbocker Ave

## Summary

871 Knickerbocker Avenue (Brooklyn, NY 11207; tax lot BBL 3034310003) 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 FANNIE MAE; per ACRIS, a deed to this owner dated April 7, 2025 lists a price of $6,168,311 in a deed covering 2 lots. The Department of Finance's final market value for tax year 2027 is $956,000. As of October 31, 2026, NYC Open Data shows two active DOB violations, 13 open HPD violations and 19 OATH tickets with an unpaid balance. There were four 311 requests in the past 12 months and 31 HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “871 Knickerbocker Avenue, Brooklyn, NY 11207 (BBL 3034310003)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/871-knickerbocker-avenue-3034310003. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 2 |
| Active ECB violations | 0 |
| Open HPD violations | 13 |
| OATH tickets with unpaid balance | 19 |

## Lot & building

- Owner of record: FANNIE MAE
- Building class: C2 – Walk-up apartments, five or six families
- Year built: 1906
- Floors: 3
- Units: 6 residential / 6 total
- Lot area: 2,500 sq ft · Building area: 4,875 sq ft
- Zoning: R6
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-10-31

## Tax assessment

- Tax year 2027 (final roll): market value $956,000, assessed value $430,200, tax class 2A
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-04-07 | recorded (DEED) | DEED dated 2025-04-07 from 867-871 KNICKERBOCKER LLC to FANNIE MAE, stated price $6,168,310.59 for a deed covering 2 lots. | bnx9-e6tj |
| 2025-04-07 | recorded (DEED) | DEED dated 2025-04-07 from FANNIE MAE to MF BLUE VALLEY APARTMENTS, LLC, no price stated ($0) for a deed covering 2 lots. | bnx9-e6tj |
| 2012-06-18 | recorded (DEED) | DEED dated 2012-06-18 from LINDA GILMORE AS ADMINISTRATRIX; ESTATE OF JAMES BALLARD A/K/A JAMES I. BALLARD to 867-871 KNICKERBOCKER LLC, stated price $880,000 for a deed covering 2 lots. | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2018-12-11 | n/a (ISSUED (renewal)) | BIS work permit for job 320698367: Equipment work / Other / general construction. Issued 2018-12-11, expires 2019-12-11. | ipu4-2q9a |
| 2018-12-11 | n/a (ISSUED (renewal)) | BIS work permit for job 320698367: Equipment work / Mechanical/HVAC. Issued 2018-12-11, expires 2019-12-11. | ipu4-2q9a |
| 2018-10-16 | n/a (ISSUED (renewal)) | BIS work permit for job 320698367: Equipment work / Mechanical/HVAC. Issued 2018-10-16, expires 2018-12-11. | ipu4-2q9a |
| 2018-10-16 | n/a (ISSUED (renewal)) | BIS work permit for job 320698367: Equipment work / Other / general construction. Issued 2018-10-16, expires 2018-12-11. | ipu4-2q9a |
| 2014-04-03 | n/a (ISSUED (initial)) | BIS work permit for job 320698367: Equipment work / Mechanical/HVAC. Issued 2014-04-03, expires 2015-04-03. | ipu4-2q9a |
| 2013-05-09 | n/a (ISSUED (initial)) | BIS work permit for job 320698367: Plumbing / Plumbing. Issued 2013-05-09, expires 2014-05-09. | ipu4-2q9a |
| 2013-02-26 | n/a (ISSUED (initial)) | BIS work permit for job 320698367: Equipment work / Other / general construction. Issued 2013-02-26, expires 2013-12-15. | ipu4-2q9a |
| 2013-02-26 | n/a (ISSUED (initial)) | BIS work permit for job 320698367: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2013-02-26, expires 2013-12-15. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

| Date | Status | Description | Source |
|---|---|---|---|
| 2023-06-20 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 1993-08-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2025-05-12 | open (Nov Sent Out) | HPD class C violation (Class C) in apt 3B: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2025-05-12 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM BOILER ROOM DOOR LOCKED. AT 2nd BOILER ROOM FROM NORTH, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2025-05-09 | open (Nov Sent Out) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR AT EAST AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2025-05-07 | open (Nov Sent Out) | HPD class C violation (Class C) in apt 3F: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE KITCHEN LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-06-03 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3B: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-06-03 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3B: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-05-31 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3B: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING AND WEST WALL IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2024-05-31 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3B: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND BATHTUB IN THE BATHROOM LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2022-02-03 | open (First No Access To Re- Inspect Violation) | HPD class B violation (Class B) in apt 1L: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX 3 SQ FT AT CEILING IN THE 1st ROOM FROM NORTH LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 14557820 ISSUED 16-SEP-21 HAS BEEN UPGR…. Open — not recorded as corrected. | wvxf-dwi5 |
| 2021-09-17 | open (Nov Certified Late) | HPD class C violation (Class C) in apt 1L: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2021-09-17 | open (Nov Certified Late) | HPD class C violation (Class C) in apt 1L: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1L, 1st STORY, 1st APARTMENT FROM WEST AT NORTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-06-03 | open (Nov Sent Out) | HPD class C violation (Class C) in apt 2B: § 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT CEILING IN THE ENTIRE APARTMENT LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-05-14 | open (Nov Certified Late) | HPD class C violation (Class C): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR. Open — not recorded as corrected. | wvxf-dwi5 |

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-07-16 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: IMPROPER MISUSED CURBSIDE RECYCLING CONTAINER 1 TO 8 DWELLING UNITS. Unpaid balance $25. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-07-03 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: DIRTY SIDEWALK. Unpaid balance $80. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-06-16 | open (DEFAULTED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $80. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-06-13 | open (DEFAULTED · DEFAULTED) | OATH ticket from Sanitation Others: STORAGE OF RECEPTACLES NON-COLLECTION DAY. Unpaid balance $80. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-02-19 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-11-13 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-10-14 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-09-16 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-03-18 | open (DOCKETED · IN VIOLATION) | OATH ticket from Dos - Enforcement Agents: DIRTY AREA. Unpaid balance $50. | jz4z-kudi |
| 2025-02-26 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: DIRTY AREA. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-01-11 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-11-30 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: DIRTY AREA. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-10-19 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-08-09 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-03-25 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-05-23 | open (DOCKETED · IN VIOLATION) | OATH ticket from Dos - Enforcement Agents: IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE. Unpaid balance $50. | jz4z-kudi |
| 2023-05-22 | open (DOCKETED · IN VIOLATION) | OATH ticket from Sanitation Others: IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE. Unpaid balance $50. | jz4z-kudi |
| 2023-04-26 | open (DOCKETED · IN VIOLATION) | OATH ticket from Sanitation Others: STORAGE OF RECEPTACLES NON-COLLECTION DAY. Unpaid balance $50. | jz4z-kudi |
| 2021-03-25 | open (DOCKETED · IN VIOLATION) | OATH ticket from Dos - Enforcement Agents: DIRTY SIDEWALK DIRTY AREA. Unpaid balance $100. | jz4z-kudi |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-06-22 | closed (CLOSE) | HPD complaint (apt 2B): 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 close… | ygpa-z7cr |
| 2026-01-31 | closed (CLOSE) | HPD complaint (apt BLDG): Electric – No Lighting. HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed. | ygpa-z7cr |
| 2025-05-09 | closed (CLOSE) | HPD complaint (apt 2B): Heat/Hot Water – Apartment Only. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.HPD called the telephone number on file for this complaint. Someone at that n… | ygpa-z7cr |
| 2025-05-09 | closed (CLOSE) | HPD complaint (apt 3B): Heat/Hot Water – Apartment Only. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.HPD called the telephone number on file for this complaint. Someone at that n… | ygpa-z7cr |
| 2025-05-09 | closed (CLOSE) | HPD complaint (apt 3B): Heat/Hot Water – Apartment Only. HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for t… | ygpa-z7cr |
| 2025-05-07 | closed (CLOSE) | HPD complaint (apt 3B): 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 close… | ygpa-z7cr |
| 2025-05-04 | closed (CLOSE) | HPD complaint (apt 2FT): Heat/Hot Water – Apartment Only. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.HPD called the telephone number on file for this complaint. Someone at that n… | ygpa-z7cr |
| 2025-05-03 | closed (CLOSE) | HPD complaint (apt 3B): Heat/Hot Water – Apartment Only. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.HPD called the telephone number on file for this complaint. Someone at that n… | ygpa-z7cr |
| 2025-05-03 | closed (CLOSE) | HPD complaint (apt 3F): Heat/Hot Water – Apartment Only. HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for t… | ygpa-z7cr |
| 2025-02-14 | closed (CLOSE) | HPD complaint (apt 3B): Unsanitary Condition – Mold. HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed. | ygpa-z7cr |
| 2025-02-14 | closed (CLOSE) | HPD complaint (apt 3RDFLO): Door/Window – Door. An HPD Inspector was not able to gain access to inspect this complaint. The Inspector left a card at the time of the inspection and a letter was sent from HPD after the inspection attempt to encourag… | ygpa-z7cr |
| 2025-02-14 | closed (CLOSE) | HPD complaint (apt 3B): General – Janitor/Super. HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed. | ygpa-z7cr |
| 2025-02-14 | closed (CLOSE) | HPD complaint (apt 3B): Heat/Hot Water – Apartment Only. HPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection… | ygpa-z7cr |
| 2025-01-22 | closed (CLOSE) | HPD complaint (apt 2B): Plumbing – Water Supply. An HPD Inspector was not able to gain access to inspect this complaint. The Inspector left a card at the time of the inspection and a letter was sent from HPD after the inspection attempt to encourag… | ygpa-z7cr |
| 2024-04-03 | closed (CLOSE) | HPD complaint (apt 3B): Water Leak – Heavy Flow. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |

Showing 15 of 35. Full list: https://nycpropertyfacts.com/api/v1/property/3034310003/complaints

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as FANNIE MAE. | 64uk-42ks |
| 2025-04-07 | recorded | Grantee (buyer) on the most recent deed (DEED, 2025-04-07). | 636b-3b5g |
| 2026-03-12 | expired_registration | HPD registration contact: SiteManager Joseph Cafiero. | feu5-w2e2 |
| 2026-03-12 | expired_registration | HPD registration contact: Agent Joseph Cafiero (CAM Property MGMT), business city Brooklyn. | feu5-w2e2 |
| 2026-03-12 | expired_registration | HPD registration contact: HeadOfficer Mark Cashman, business city Dallas. | feu5-w2e2 |
| 2026-03-12 | expired_registration | HPD registration contact: CorporateOwner (MF Blue Valley Apartments, LLC), business city Dallas. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3034310003