# 727 Knickerbocker Avenue, Brooklyn, NY 11221

BBL 3033920004 · Block 3392 · Lot 4 · BIN 3078029  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/727-knickerbocker-avenue-3033920004  
Last updated: 2026-11-03 · Open-item counts as of 2026-10-31

Also recorded as: 72725 Knickerbocker Ave

## Summary

727 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033920004) is an 8-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 1906, on a 2,600 sq ft lot zoned R6. City tax records list the owner as 727 KNICKERBOCKER AVE LLC; per ACRIS, a deed to this owner dated May 17, 2023 lists a price of $2,360,000. The Department of Finance's final market value for tax year 2027 is $2,353,000. As of October 31, 2026, NYC Open Data shows one active DOB violation, four active ECB violations and 11 OATH tickets with an unpaid balance. There were 11 311 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.)

How to cite: NYC Property Facts, “727 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033920004)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/727-knickerbocker-avenue-3033920004. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 1 |
| Active ECB violations | 4 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 11 |

## Lot & building

- Owner of record: 727 KNICKERBOCKER AVE LLC
- Building class: C1 – Walk-up apartments, more than six families, no stores
- Year built: 1906
- Floors: 4
- Units: 8 residential / 8 total
- Lot area: 2,600 sq ft · Building area: 9,110 sq ft
- Zoning: R6
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-02

## Tax assessment

- Tax year 2027 (final roll): market value $2,353,000, assessed value $1,058,850, tax class 2B
- 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 |
|---|---|---|---|
| 2023-05-17 | recorded (DEED) | DEED dated 2023-05-17 from GONGORA, LOUISE; JONES, ELAINE to 727 KNICKERBOCKER AVE LLC, stated price $2,360,000. | bnx9-e6tj |
| 2009-11-24 | recorded (DEED) | DEED dated 2009-11-24 from XTREME MEASURES, INC. to GONGORA, LOUISE; JONES, ELAINE, stated price $720,000. | bnx9-e6tj |
| 2009-05-08 | recorded (DEED) | DEED dated 2009-05-08 from MCKENZIE, ROGER; DIAZ, PHILIP to XTREME MEASURES, INC., stated price $10. | bnx9-e6tj |
| 2006-09-25 | recorded (DEED) | DEED dated 2006-09-25 from MCKENZIE, ROGER to DIAZ, PHILIP; MCKENZIE, ROGER, no price stated ($0). | bnx9-e6tj |
| 2006-09-25 | recorded (DEED) | DEED dated 2006-09-25 from JAMIL, SIKDER M to MCKENZIE, ROGER, stated price $721,000. | bnx9-e6tj |
| 2005-07-15 | recorded (DEED) | DEED dated 2005-07-15 from MCINTOSH, GARNET to JAMIL, SIKDER, stated price $565,000. | bnx9-e6tj |
| 2001-07-12 | recorded (DEED) | DEED dated 2001-07-12 from LEVINE, DAVID to MCINTOSH, GARNET, no price stated ($0). | bnx9-e6tj |
| 2001-04-05 | recorded (DEED) | DEED dated 2001-04-05 from GREAT BUIILDINGS OFAMERICA CORP to LEVINE, DAVID, no price stated ($0). | bnx9-e6tj |
| 1988-02-20 | recorded (DEED) | DEED dated 1988-02-20 from SANCHEZ, INES; SANCHEZ, CARMITA P to GREAT BLDGS/AMERICACORP, no price stated ($0). | bnx9-e6tj |
| 1985-04-03 | recorded (DEED) | DEED dated 1985-04-03 from REMON, SILVIO R; MARTINEZ, MARIA; SANTANA, SOLANDA; REMON, MAGDALENA; MARTINEZ, MARIO; SANTANA, JUAN to SANCHEZ, INES; SANCHEZ, CARMITA P, no price stated ($0). | bnx9-e6tj |
| 1977-11-15 | recorded (DEED) | DEED dated 1977-11-15 from COSTANZA ANDREA; COSTANZA ROSA to SANTANA JUAN; MARTINEZ MARIA; REMON SILVIO R; SANTANA SOLANDA; REMON MAGDALENA; MARTINEZ MARIO, no price stated ($0). | 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 |
|---|---|---|---|
| 2024-05-02 | n/a (Signed-off) | DOB NOW work permit for job B08053092-S2: Mechanical Systems — MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1. Issued 2024-05-02, expires 2025-03-28. | rbx6-tga4 |
| 2024-04-26 | n/a (Permit Issued) | DOB NOW work permit for job B08053092-I1: General Construction — APPLICATION PROPOSED TO BE FILED HEREWITH, TO CONVERT FOUR STORY + CELLAR WITH FOUR CLASS 'A' DWELLING UNITS INTO A FOUR STORY + CELLAR WITH EIGHT RESIDENTIAL …. Issued 2024-04-26, expires 2025-03-28. | rbx6-tga4 |
| 2023-11-01 | n/a (Signed-off) | DOB NOW work permit for job B08053092-S1: Plumbing — PLUMING APPLICATION FILED HEREWITH IN CONJUNCTION TO ALT-CO APPLICATOIN #B08053092-I1.. Issued 2023-11-01, expires 2024-07-20. | rbx6-tga4 |
| 2023-06-13 | n/a (Signed-off) | DOB NOW work permit for job B00884003-I1: Construction Fence — INSTALLATION OF TEMORARY CONSTRUCTION FENCE. Issued 2023-06-13, expires 2024-03-12. | rbx6-tga4 |
| 2023-06-01 | n/a (Signed-off) | DOB NOW work permit for job B08053092-S1: Plumbing — PLUMING APPLICATION FILED HEREWITH IN CONJUNCTION TO ALT-CO APPLICATOIN #B08053092-I1.. Issued 2023-06-01, expires 2024-01-25. | rbx6-tga4 |
| 2023-04-25 | n/a (Permit Issued) | DOB NOW work permit for job B08053092-I1: General Construction — APPLICATION PROPOSED TO BE FILED HEREWITH, TO CONVERT FOUR STORY + CELLAR WITH FOUR CLASS 'A' DWELLING UNITS INTO A FOUR STORY + CELLAR WITH EIGHT RESIDENTIAL …. Issued 2023-04-25, expires 2024-03-12. | rbx6-tga4 |
| 2023-04-24 | n/a (Signed-off) | DOB NOW work permit for job B08053092-S2: Mechanical Systems — MECHANICAL APPLICATION FILED IN CONJUNCTION TO ALT-CO APPLICATION #B08053092-I1. Issued 2023-04-24, expires 2024-03-12. | rbx6-tga4 |
| 2000-12-19 | n/a (ISSUED (initial)) | BIS work permit for job 301110143: Plumbing / Plumbing. Issued 2000-12-19, expires 2001-12-19. | ipu4-2q9a |
| 2000-12-19 | n/a (ISSUED (initial)) | BIS work permit for job 301110143: Alteration. Issued 2000-12-19, expires 2001-09-03. | 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 |
|---|---|---|---|
| 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 |
| 2026-04-28 | open (violation status ACTIVE; hearing status PENDING) | ECB (DOB) violation, class - 1: WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVED AMENDMENTS. NOTED; AT ROOF LEVEL DECK IS COMPOSED OF FLAMMABLE, WOOD 2X4'S PLATFORM WITH TREX DECKING ATOP CONTRARY TO PLANS JOB #B080530. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: hearing pending. Balance due $2,500. | 6bgk-3dad |
| 2025-02-12 | open (violation status ACTIVE; hearing status IN VIOLATION; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, class - 1: WORK WITHOUT A PERMIT. AT TIME OF INSPECTION. AT TIME INSPECTION, OBSERVED AT ROOF, ERECTED 6 FEET IN HEIGHT WOOD PANEL FENCE/WALLS TO CONVERT THE ROOF TO A TERRACE FOR A RECREATIONAL USE., OBTAIN PERMIT. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: found in violation. Certification of correction: no compliance recorded. | 6bgk-3dad |
| 2026-04-28 | open (violation status ACTIVE; hearing status PENDING) | ECB (DOB) violation, class - 2: FAILURE TO CONDUCT OR FILE A FINAL INSPECTION OF PERMITTED WORK WITH THE DEPARTMENT. NOTED: APPLICATION # B08053092-I1-GC EXPIRED ON 3/8/25 AND NO FINAL INSPECTION CONDUCTED., CONDUCT/FILE FINAL INSPECTION. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: hearing pending. Balance due $1,250. | 6bgk-3dad |
| 2026-04-28 | open (violation status ACTIVE; hearing status PENDING) | ECB (DOB) violation, class - 1: UNLAWFUL ACTS. FAILURE TO COMPLY WITH COMMISSIONER'S ORDER FOR SUMMONS # 39138223M ISSUED 2/12/25., COMPLY WITH COMMISSIONER'S ORDER. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: hearing pending. Balance due $2,500. | 6bgk-3dad |

## 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 |
|---|---|---|---|
| 2026-06-08 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-09-24 | 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 |
| 2025-07-28 | open (DEFAULTED · DEFAULTED) | OATH ticket from Pcs - Dohmh: FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST. Unpaid balance $600. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-07-25 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-04-03 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-03-24 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-03-07 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-12-18 | 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 |
| 2024-04-09 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: STREET OBSTRUCTION. Unpaid balance $150. Respondent defaulted (did not appear). | jz4z-kudi |
| 2013-06-22 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY AREA. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2013-06-01 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Recycling: DIRTY AREA. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-10-04 | pending (NEW ISSUANCE) | OATH ticket from Dos - Enforcement Agents: LOOSE RUBBISH 1ST OCCURRENCE. Hearing pending. | jz4z-kudi |
| 2026-04-28 | pending (RESCHEDULED · ADJOURNED) | OATH ticket from Dept. Of Buildings: UNLAWFUL ACTS.FAILURE TO COMPLY WITH AN ORDER OF THE COMMISSIONER. Hearing pending. | jz4z-kudi |
| 2026-04-28 | pending (RESCHEDULED · ADJOURNED) | OATH ticket from Dept. Of Buildings: FAIL TO CONDUCT FILE A FINAL INSPECTION OF PERMITTED WORK W THE DEPT.. Hearing pending. | jz4z-kudi |
| 2026-04-28 | pending (RESCHEDULED · ADJOURNED) | OATH ticket from Dept. Of Buildings: WORK DOES NOT CONFORM TO APPROVED CONST. DOCUMENTS AND OR APPROVED AME. Hearing pending. | 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 |
|---|---|---|---|
| 2025-07-27 | closed (CLOSE) | HPD complaint (apt 1A): Unsanitary Condition – Mold. HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more i… | ygpa-z7cr |
| 2025-01-06 | closed (CLOSE) | HPD complaint (apt 1A): Unsanitary Condition – Mold. HPD called the telephone number on file for this complaint. Someone at that number indicated that the condition was corrected. The complaint has been closed. Please submit a new service request with … | ygpa-z7cr |
| 2026-08-11 | closed (Closed) | 311 request to DEP: Water Maintenance – Fire Hydrant Running. | erm2-nwe9 |
| 2026-04-26 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 |
| 2026-01-06 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Music/Party. | erm2-nwe9 |
| 2026-01-06 | closed (Closed) | 311 request to NYPD: Noise - Residential – Banging/Pounding. | erm2-nwe9 |
| 2026-01-06 | closed (Closed) | 311 request to NYPD: Noise - Residential – Loud Talking. | erm2-nwe9 |
| 2025-11-21 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2025-11-15 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2025-11-15 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2025-11-07 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2025-11-03 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |
| 2025-11-03 | closed (Closed) | 311 request to NYPD: Noise - Street/Sidewalk – Loud Music/Party. | erm2-nwe9 |

## 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 727 KNICKERBOCKER AVE LLC. | 64uk-42ks |
| 2023-05-17 | recorded | Grantee (buyer) on the most recent deed (DEED, 2023-05-17). | 636b-3b5g |
| 2026-08-30 | current_registration | HPD registration contact: Agent Berish Rubin (WATERSTONE GROUP LLC), business city Brooklyn. | feu5-w2e2 |
| 2026-08-30 | current_registration | HPD registration contact: CorporateOwner (727 KNICKERBOCKER AVE LLC), business city Brooklyn. | feu5-w2e2 |
| 2026-08-30 | current_registration | HPD registration contact: HeadOfficer Paulius Skema, business city Brooklyn. | feu5-w2e2 |
| 2026-08-30 | current_registration | HPD registration contact: SiteManager Berish Rubin. | 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/3033920004