307 Cooper Street
Brooklyn, NY 11237BBL 3-03437-7504Map
Owner of record: 303 Cooper LLC.
307 Cooper Street is a condominium built in 2014 in Brooklyn, 11237. It has 7 residential units across 4 floors. The owner of record is 303 Cooper LLC.. HPD has recorded 18 housing violations here, most recently on July 2, 2026. 12 of the 18 most recent violations are still open.
- HPD violations
- 18
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 2
Available now in this building
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 · 18
- ANon-hazardous
Properly repair or replace the broken or defective intercom system at building front at south wall. in the kitchen located at apt 3b, 3rd story, 1st apartment from south at west
Jul 2, 2026 · Apt 3B
Open — Nov sent out - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at fire door leading to staircase at public hall, 3rd story
May 18, 2026
Closed — Violation closed - BHazardous
Remove all encumbrances consisting of bookshelves and household items at public hall, 3rd story
May 18, 2026
Open — Nov sent out - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at fire door leading to staircase at north at public hall , 1st story. at public hall, 1st story
May 18, 2026
Closed — Violation closed - ANon-hazardous
Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall
May 18, 2026
Open — Nov sent out - ANon-hazardous
Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mailbox missing at public hall, 1st story
May 18, 2026
Open — Nov sent out - ANon-hazardous
Post a proper notice of carbon monoxide detecting device requirements, in a form approved by commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in private dwellings missing
May 18, 2026
Open — Nov sent out - ANon-hazardous
Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story
May 18, 2026
Open — Nov sent out - ANon-hazardous
Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story
May 18, 2026
Open — Nov sent out - 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 at public hall
May 18, 2026
Open — Nov sent out
Show 8 more ↓
- 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
- General
Bell/buzzer/intercom
Jun 4, 2026 · Apt 3B
Close - General
Bell/buzzer/intercom
Mar 31, 2026 · Apt 3B
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Condominium (R1)
- Year built
- 2014
- Floors
- 4
- Residential units
- 7
- Building area
- 4,812 ft²
- Lot area
- 2,150 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3437 / 7504
- Assessed value
- $722,699
- Landmark / historic district
- No
HPD registration #387309, last renewed Sep 1, 2023.
Questions about 307 Cooper Street
Who owns 307 Cooper Street?
The owner of record in NYC Department of City Planning PLUTO data is 303 Cooper LLC..
Does 307 Cooper Street have violations?
Yes. NYC HPD has recorded 18 housing violations at this property.
Is 307 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 307 Cooper Street built?
City records list 2014 as the year it was built.
How many apartments are in 307 Cooper Street?
It has 7 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.