9721 4 Avenue
Brooklyn, NY 11209BBL 3-06127-0017Map
Owner of record: 9721 4th Ave LLC
9721 4 Avenue is a mixed residential and retail building built in 1960 in Brooklyn, 11209. It has 1 residential unit across 2 floors. The owner of record is 9721 4th Ave LLC. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 3
- ECB violations
- 0
- HPD complaints
- 1
What to know
No open immediately-hazardous violations among recent records.
HPD has not cited this building.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 0
No HPD violations on record
DOB building violations · 3
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
May 4, 1998
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
Jul 25, 1994
Dob violation - dismissed
ECB violations · 0
No ECB violations on record
Complaints
- Heat/hot water
Apartment only
Feb 21, 2025 · Apt E18
Close
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Dec 18, 2025 | $2,300,000 | One family dwellings | 2 |
Building details
- Building type
- Mixed residential and retail building (S1)
- Year built
- 1960
- Floors
- 2
- Residential units
- 1
- Building area
- 3,088 ft²
- Lot area
- 3,500 ft²
- Zoning
- R6A
- Community board
- 310
- Council district
- 47
- Block / lot
- 6127 / 17
- Assessed value
- $82,860
- Landmark / historic district
- No
Questions about 9721 4 Avenue
Who owns 9721 4 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 9721 4th Ave LLC.
Does 9721 4 Avenue have violations?
NYC HPD has no housing violations on record for this property.
Is 9721 4 Avenue rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 9721 4 Avenue built?
City records list 1960 as the year it was built.
How many apartments are in 9721 4 Avenue?
It has 1 residential units and 2 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.