7120 21 Avenue
Brooklyn, NY 11204BBL 3-06185-0045Map
Owner of record: Liang Wu, Yuna
7120 21 Avenue is a walk-up apartment building built in 1925 in Brooklyn, 11204. It has 6 residential units across 3 floors. The owner of record is Liang Wu, Yuna. HPD has recorded 18 housing violations here, most recently on May 1, 2026. 1 of the 18 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 18
- DOB violations
- 1
- ECB violations
- 0
- HPD complaints
- 2
What to know
Immediately hazardous issues among recent violations are still open.
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. Showing up to 50 per agency.
HPD housing violations · 18
- ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
May 1, 2026
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Jun 6, 2025
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 3, 2024
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Mar 20, 2023
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 4, 2022
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Feb 22, 2022
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Feb 22, 2022
Closed — Violation dismissed - ANon-hazardous
File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.
Apr 6, 2021
Closed — Violation dismissed - BHazardous
Abate the nuisance consisting of roaches in the entire apartment located at apt 2r, 2nd story, apartment at west
Sep 19, 2018 · Apt 2R
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector missing in the entire apartment located at apt 2r, 2nd story, apartment at west
Sep 19, 2018 · Apt 2R
Closed — Violation dismissed
Show 8 more ↓
- BHazardous
Repair or replace the carbon monoxide detecting device(s). missing in the entire apartment located at apt 2r, 2nd story, apartment at west
Sep 19, 2018 · Apt 2R
Closed — Violation dismissed - BHazardous
Arrange and make self-closing the doors - in the entrance located at apt 2r, 2nd story, apartment at west
Sep 19, 2018 · Apt 2R
Closed — Violation dismissed - ANon-hazardous
Refit front entrance door from street at public hall, 1st story
Sep 19, 2018
Closed — Violation dismissed - CImmediately hazardous
Remove the illegal fastening consisting of double cylinder lock at front entrance door from street at public hall, 1st story
Sep 19, 2018
Open — Nov certified late - ANon-hazardous
§ 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor - at public hall, 1st story
Sep 19, 2018
Closed — Violation dismissed - ANon-hazardous
Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling. at public hall, 1st story
Sep 19, 2018
Closed — Violation dismissed - ANon-hazardous
Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box - at public hall, 1st story
Sep 19, 2018
Closed — Violation dismissed - ANon-hazardous
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
Sep 19, 2018
Closed — Violation dismissed
DOB building violations · 1
- Low pressure boiler boiler required
Violation issued-failure to file 2019 external low pressure inspection
Jun 20, 2023
Dob violation - dismissed
ECB violations · 0
No ECB violations on record
Complaints
- Water leak
Heavy flow
Jul 17, 2024 · Apt 2F
Close - Unsanitary condition
Pests
Sep 8, 2018 · Apt 2
Close
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Sep 2, 2026 | Non-market transfer | Rentals - walkup apartments | 6 |
Building details
- Building type
- Walk-up apartment building (C2)
- Year built
- 1925
- Floors
- 3
- Residential units
- 6
- Building area
- 4,797 ft²
- Lot area
- 2,650 ft²
- Zoning
- R5
- Community board
- 311
- Council district
- 43
- Block / lot
- 6185 / 45
- Assessed value
- $528,300
- Landmark / historic district
- No
HPD registration #328761, last renewed Oct 14, 2025.
Questions about 7120 21 Avenue
Who owns 7120 21 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Liang Wu, Yuna.
Does 7120 21 Avenue have violations?
Yes. NYC HPD has recorded 18 housing violations at this property.
Is 7120 21 Avenue rent stabilized?
NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 7120 21 Avenue built?
City records list 1925 as the year it was built.
How many apartments are in 7120 21 Avenue?
It has 6 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.