523 51 Street
Brooklyn, NY 11220BBL 3-00792-0056Map
Owner of record: Hp Sunset Park I Housing Dev Fund Compan Y, INC
523 51 Street is a walk-up apartment building built in 1910 in Brooklyn, 11220. It has 8 residential units across 4 floors. The owner of record is Hp Sunset Park I Housing Dev Fund Compan Y, INC. HPD has recorded 47 housing violations here, most recently on January 8, 2026. 1 of the 47 most recent violations are still open. City tax records listed 8 rent-stabilized apartments here in 2024.
- HPD violations
- 47
- DOB violations
- 5
- ECB violations
- 1
- HPD complaints
- 155
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.
Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.
Violations
Most recent first. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 47
- BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the west wall in the foyer located at apt 6, 3rd story, 1st apartment from north at east
Jan 8, 2026 · Apt 6
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective door frame to entrance in the 1st room from north at east located at apt 6, 3rd story, 1st apartment from north at east
Jan 8, 2026 · Apt 6
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 6, 3rd story, 1st apartment from north at east
Jan 8, 2026 · Apt 6
Closed — Violation dismissed - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 6, 3rd story, 1st apartment from north at east
Jan 8, 2026 · Apt 6
Closed — Violation dismissed - BHazardous
Provide adequate supply of hot water for the fixtures at wash basin and bathtub in the bathroom located at apt 6, 3rd story, 1st apartment from north at east
Jan 8, 2026 · Apt 6
Closed — Violation dismissed - CImmediately hazardous
M/d law abate the nuisance consisting of door with key operated lock installed, preventing entrance to fire escape room in the 1st room from north at east located at apt 3c, 3rd story, 1st apartment from north at east
Oct 14, 2024 · Apt 3C
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective counterbalance at lower sash window in the 1st room from north at east located at apt 3c, 3rd story, 1st apartment from north at east
Oct 14, 2024 · Apt 3C
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective [ latch set] at the front entrance to building, , 1st story
Apr 9, 2024
Closed — Violation closed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 1a, 1st story, 1st apartment from south at west
Apr 9, 2024 · Apt 1A
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective vinyl floor tiles, in the 1st room from east at south located at apt 1a, 1st story, 1st apartment from south at west
Apr 9, 2024 · Apt 1A
Open — Nov sent out
DOB building violations · 5
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1993
Dob violation - dismissed
ECB violations · 1
- Hazardous
19b,6b
Jul 22, 2003 · Penalty $800
Resolve
Complaints
- Door/window
Window pane
Jun 25, 2026 · Apt 3C
Close - Heat/hot water
Entire building
Jan 4, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 13, 2024 · Apt 1A
Close - Flooring/stairs
Floor
Oct 7, 2024 · Apt 3C
Close - Flooring/stairs
Floor
Oct 7, 2024 · Apt 3C
Close - Flooring/stairs
Floor
Sep 19, 2024 · Apt 3C
Close - Paint/plaster
Wall
Aug 13, 2024 · Apt 1A
Close - Flooring/stairs
Floor
Aug 13, 2024 · Apt 1A
Close - Flooring/stairs
Floor
Aug 31, 2023 · Apt 1A
Close - Unsanitary condition
Mold
Aug 31, 2023 · Apt 1A
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1910
- Floors
- 4
- Residential units
- 8
- Building area
- 8,268 ft²
- Lot area
- 2,980 ft²
- Zoning
- R6B
- Community board
- 307
- Council district
- 38
- Block / lot
- 792 / 56
- Assessed value
- $702,450
- Landmark / historic district
- No
HPD registration #324007, last renewed Jul 16, 2025.
Questions about 523 51 Street
Who owns 523 51 Street?
The owner of record in NYC Department of City Planning PLUTO data is Hp Sunset Park I Housing Dev Fund Compan Y, INC.
Does 523 51 Street have violations?
Yes. NYC HPD has recorded 47 housing violations at this property.
Is 523 51 Street rent stabilized?
NYC Department of Finance tax bills listed 8 rent-stabilized units here in 2024 (about 100% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 523 51 Street built?
City records list 1910 as the year it was built.
How many apartments are in 523 51 Street?
It has 8 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.