309 Cooper Street
Brooklyn, NY 11237BBL 3-03437-7503Map
Owner of record: 303 Cooper LLC
309 Cooper Street is a condominium built in 2014 in Brooklyn, 11237. It has 6 residential units across 4 floors. The owner of record is 303 Cooper LLC. HPD has recorded 8 housing violations here, most recently on May 8, 2026. 4 of the 8 most recent violations are still open.
- HPD violations
- 8
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 1
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
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 8
- 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 8, 2026
Open — Nov sent out - 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 20, 2025
Open — Info nov sent out - 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 13, 2025
Open — Nov sent out - 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 29, 2024
Open — Info nov sent out - 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 10, 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 20, 2021
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 6, 2019
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.
Oct 29, 2018
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Heat/hot water
Apartment only
Mar 20, 2026 · Apt 3A
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Condominium (R1)
- Year built
- 2014
- Floors
- 4
- Residential units
- 6
- Building area
- 4,016 ft²
- Lot area
- 1,800 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3437 / 7503
- Assessed value
- $775,348
- Landmark / historic district
- No
HPD registration #387323, last renewed Sep 7, 2023.
Questions about 309 Cooper Street
Who owns 309 Cooper Street?
The owner of record in NYC Department of City Planning PLUTO data is 303 Cooper LLC.
Does 309 Cooper Street have violations?
Yes. NYC HPD has recorded 8 housing violations at this property.
Is 309 Cooper Street 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 309 Cooper Street built?
City records list 2014 as the year it was built.
How many apartments are in 309 Cooper Street?
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.