# 541 Knickerbocker Avenue, Brooklyn, NY 11221

BBL 3033260001 · Block 3326 · Lot 1 · BIN 3076117  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/541-knickerbocker-avenue-3033260001  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-06

## Summary

541 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033260001) is a 6-unit mixed-use building with apartments and ground-floor commercial space (building class S5: mixed-use: five- or six-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 SERLIN BUILDING LIMITED PARTNERSHIP; per ACRIS, a deed to this owner dated December 4, 2008 lists a price of $11,740,800 in a deed covering 10 lots. The Department of Finance's final market value for tax year 2027 is $1,121,000. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows two DOB jobs with a permit issued but no sign-off, two open HPD violations and three OATH tickets with an unpaid balance. There were four 311 requests in the past 12 months and five 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, “541 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033260001)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/541-knickerbocker-avenue-3033260001. Source: NYC Open Data.

## Neighborhood

Bedford-Stuyvesant (East): https://nycpropertyfacts.com/ny/brooklyn/11221

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11221/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11221/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11221/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11221/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11221/unpaid-oath-tickets

## ZIP

Brooklyn 11221: https://nycpropertyfacts.com/ny/brooklyn/11221

## Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

- 537 Knickerbocker Avenue (29 ft): https://nycpropertyfacts.com/ny/brooklyn/537-knickerbocker-avenue-3033260002
- 533 Knickerbocker Avenue (59 ft): https://nycpropertyfacts.com/ny/brooklyn/533-knickerbocker-avenue-3033260004
- 547 Knickerbocker Avenue (100 ft): https://nycpropertyfacts.com/ny/brooklyn/547-knickerbocker-avenue-3033350008
- 531 Knickerbocker Avenue (103 ft): https://nycpropertyfacts.com/ny/brooklyn/531-knickerbocker-avenue-3033260006
- 549 Knickerbocker Avenue (122 ft): https://nycpropertyfacts.com/ny/brooklyn/549-knickerbocker-avenue-3033350007
- 551 Knickerbocker Avenue (142 ft): https://nycpropertyfacts.com/ny/brooklyn/551-knickerbocker-avenue-3033350006
- 278 Grove Street (154 ft): https://nycpropertyfacts.com/ny/brooklyn/278-grove-street-3033260011
- 280 Grove Street (163 ft): https://nycpropertyfacts.com/ny/brooklyn/280-grove-street-3033260012

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 2 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 2 |
| OATH tickets with unpaid balance | 3 |

## Lot & building

- Owner of record: SERLIN BUILDING LIMITED PARTNERSHIP
- Building class: S5 – Mixed-use: five- or six-family home with one store or office
- Year built: 1931
- Floors: 4
- Units: 6 residential / 7 total
- Lot area: 2,500 sq ft · Building area: 7,500 sq ft
- Zoning: R6
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-07

## Tax assessment

- Tax year 2027 (final roll): market value $1,121,000, assessed value $504,450, 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 |
|---|---|---|---|
| 2008-12-04 | recorded (DEED) | DEED dated 2008-12-04 from NEIGHBORHOOD PARTNERSHIP HOUING DEVELOPMENT FUND to SERLIN BUILDING LIMITED PARTNERSHIP, stated price $11,740,800 for a deed covering 10 lots. | bnx9-e6tj |
| 2005-02-10 | recorded (DEED) | DEED dated 2005-02-10 from THE CITY OF NEW YORK; DEPARTMENT OF HOUSING PRESERVATION AND DEVELOPMENT to NEIGHBORHOOD PARTNERSHIP HDFC, INC., stated price $18 for a deed covering 18 lots. | bnx9-e6tj |
| 1977-10-21 | recorded (DEED) | DEED dated 1977-10-21 from FINANCE ADMINISTRATOR OF CITY OF NEW YORK; FINANCE ADMINISTRATION OF THE CITY OF NEW YORK; FINANCE ADMINISTRATOR OF THE CITY NEW YORK; FINANCE ADMINIST OF THE CITY OF NY; FINANCE ADMININSTRATOR OF THE CITY OF NEW YORK; FINANCE ADMIN OF THE CITY OF NEW YORK; FINANCE ADMIN OF THE CITY OF NY; FINANCE ADIMINISTRATOR OF THE CITY OF NEW YORK; COMMISSIONER OF FINANCE OF THE CITY O FNEW YORK; FINANCE ADMINISTRATOR OF THE CITY OF NY; FINANCE ADMINISTRATOR OFT HE CITY OF NEW YORK; COMMMISSIONER OF FINANCE OF THE CITY OF NEW YORK; COMMISSIONER OF FINANCE OF THE CITY OF NEW YORK; FINANCE ADMINISTRATOR OF THECITY OF NEW YORK; FINANCE ADMINISTRATOR OF CITY OF NY; FINANCE ADMINISTRATOR OF THEC ITY OF NEW YORK; FINANCE ADMINISTRATOR FOR THE CITY OF NEW YORK; FINANCE ADMINISTRATOR OF THE CITY OF N Y; FINANCE COMMISSIONER OF THE CITY OF NEW YORK; FINANCE ADMINIST OF THE CITY OF NEW YORK; FINANCE ADMINISTRATOR OF THE CITY OF NEW  YORK; FINANCE ADMINISTRATOR OF THE CITY OF NEWYORK; FINANCE ADMINISTRTOR OF THE CITY OF NEW YORK; FINANCE ADMINISTRATOR OF THE CITY OF NEW YORK; FINANCE ADMINISTATOR OF THE CITY OF NEW YORK; FIN CITY OF NY; COMMISSIONER OF FINANCE OF THE CITY OF NEW YOR; FINANCE ADMINISTRATOR OF THE CITY OF NEWY ORK; FINANCE ADMINSTRATOR OF THE CITY OF NEW YORK; FINANCE ADMI OF THE CITY OF NEW YORK; FINANCE ADMIN OF CITY OF NY to THE CITY OF NY; THE CITY OF NE WYORK; THE CITY OF NEW YOR; CITY OF NEW YORK; THE CITY OFNEW YORK; TH ECITY OF NEW YORK; CITY OF NY; THE CITY OF NEW YORK; THE CITY OF NEW  YORK; THE CITY OF NEWYORK, no price stated ($0) for a deed covering 2656 lots. | bnx9-e6tj |
| 1967-05-19 | recorded (DEED) | DEED dated 1967-05-19 from MONTALBANO LEONARDA DECD to MONTALBANO LEONARD; MONTALBANO JACK; MONTALBANO GASPER, 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 |
|---|---|---|---|
| 1994-12-05 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300406193 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. BOILER/BURNER REPLACEMENT FIRING #2 OIL NO CHANGE IN EGRESS OR OCCUPANCY IS INVOLVED UNDER THIS APPLICATION | ic3t-wcy2 |
| 1994-08-01 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300381370 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALL ADDITIONAL SUPPORT AT CELLAR STE EL GIRDER AND LOLLY COLUMNS.NO HANGE IN USE EGRESS OR OCCUPANCY | ic3t-wcy2 |
| 2013-01-04 | n/a (ISSUED (initial)) | BIS work permit for job 320688074: Alteration. Issued 2013-01-04, expires 2014-01-04. | ipu4-2q9a |
| 2008-10-23 | n/a (ISSUED (initial)) | BIS work permit for job 310279551: Plumbing / Plumbing. Issued 2008-10-23, expires 2009-10-23. | ipu4-2q9a |
| 2008-10-08 | n/a (ISSUED (initial)) | BIS work permit for job 310279551: Alteration. Issued 2008-10-08, expires 2009-10-08. | ipu4-2q9a |
| 2008-05-08 | n/a (ISSUED (renewal)) | BIS work permit for job 301418516: Plumbing / Plumbing. Issued 2008-05-08, expires 2009-05-08. | ipu4-2q9a |
| 2007-05-11 | n/a (ISSUED (initial)) | BIS work permit for job 301418516: Plumbing / Plumbing. Issued 2007-05-11, expires 2008-05-10. | ipu4-2q9a |
| 2007-03-29 | n/a (ISSUED (renewal)) | BIS work permit for job 301932773: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2007-03-29, expires 2008-04-01. | ipu4-2q9a |
| 2007-03-29 | n/a (ISSUED (renewal)) | BIS work permit for job 301418516: Alteration. Issued 2007-03-29, expires 2008-04-01. | ipu4-2q9a |
| 2007-03-08 | n/a (ISSUED (initial)) | BIS work permit for job 301418516: Alteration. Issued 2007-03-08, expires 2007-04-01. | ipu4-2q9a |
| 2007-03-06 | n/a (ISSUED (initial)) | BIS work permit for job 301932773: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2007-03-06, expires 2007-04-01. | ipu4-2q9a |
| 2005-07-05 | n/a (ISSUED (initial)) | BIS work permit for job 301760155: Plumbing / Plumbing. Issued 2005-07-05, expires 2006-07-05. | ipu4-2q9a |
| 2005-07-05 | n/a (ISSUED (initial)) | BIS work permit for job 301760155: Equipment work / Sprinkler. Issued 2005-07-05, expires 2006-07-05. | ipu4-2q9a |
| 2000-08-31 | n/a (ISSUED (initial)) | BIS work permit for job 301072023: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2000-08-31, expires 2000-09-13. | ipu4-2q9a |
| 2000-08-31 | n/a (ISSUED (initial)) | BIS work permit for job 301072023: Equipment work / Other / general construction. Issued 2000-08-31, expires 2000-09-13. | ipu4-2q9a |
| 1995-05-25 | n/a (ISSUED (initial)) | BIS work permit for job 300406193: Equipment work / Fuel burning. Issued 1995-05-25, expires 1996-01-04. | ipu4-2q9a |
| 1995-05-25 | n/a (ISSUED (initial)) | BIS work permit for job 300406193: Equipment work / Boiler. Issued 1995-05-25, expires 1996-01-04. | ipu4-2q9a |
| 1994-08-03 | n/a (ISSUED (initial)) | BIS work permit for job 300381370: Equipment work / Other / general construction. Issued 1994-08-03, expires 1994-12-28. | 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 |
|---|---|---|---|
| 2009-02-09 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 4B: SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE 1st ROOM FROM EAST AT SOUTH, THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT 4B, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH. Open — not recorded as corrected. | wvxf-dwi5 |
| 2009-01-12 | open (Nov Sent Out) | HPD class C violation (Class C): SECTION 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 .... AT PUBLIC HALL, 1st STORY. 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 |
|---|---|---|---|
| 2024-10-26 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-10-18 | 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 |
| 2021-12-14 | 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 |

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

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

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-07-29 | closed (CLOSE) | HPD complaint (apt 1FL): Safety – Window Guard Broken/Missing. 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 |
| 2024-11-04 | closed (CLOSE) | HPD complaint (apt BLDG): Electric – No Lighting. The Department of Housing Preservation and Development contacted a tenant in the building and verified that the following conditions were corrected. The complaint has been closed. If the condition st… | ygpa-z7cr |
| 2022-10-10 | closed (CLOSE) | HPD complaint (apt APT3): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the c… | ygpa-z7cr |
| 2021-11-09 | closed (CLOSE) | HPD complaint (apt BLDG): Unsanitary Condition – Garbage/Recycling Storage. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2020-08-06 | closed (CLOSE) | HPD complaint (apt 4A): Unsanitary Condition – Pests. The Department of Housing Preservation and Development contacted an occupant of the apartment and verified that the following conditions were corrected. The complaint has been closed. If the conditio… | ygpa-z7cr |
| 2026-03-23 | open (Open) | 311 request to DSNY: Graffiti – Graffiti. | erm2-nwe9 |
| 2026-03-13 | closed (Closed) | 311 request to DEP: Water System – Hydrant Defective (WC2). | erm2-nwe9 |
| 2026-01-12 | closed (Closed) | 311 request to DEP: Noise – Noise: Construction Before/After Hours (NM1). | erm2-nwe9 |
| 2025-12-29 | closed (Closed) | 311 request to DOT: Street Condition – Defective Hardware. | 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 SERLIN BUILDING LIMITED PARTNERSHIP. | 64uk-42ks |
| 2008-12-04 | recorded | Grantee (buyer) on the most recent deed (DEED, 2008-12-04). | 636b-3b5g |
| 2025-09-12 | expired_registration | HPD registration contact: HeadOfficer Linda Vera, business city Staten Island. | feu5-w2e2 |
| 2025-09-12 | expired_registration | HPD registration contact: CorporateOwner (SERLIN BUILDING LP), business city Staten Island. | feu5-w2e2 |
| 2025-09-12 | expired_registration | HPD registration contact: SiteManager Stephanie Charlemagne. | feu5-w2e2 |
| 2025-09-12 | expired_registration | HPD registration contact: Agent Mark Benitez (DIRECT BUILDING MANAGEMENT), business city Staten Island. | 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/3033260001