447 9 Street
Brooklyn, NY 11215BBL 3-01090-0070Map
Owner of record: 447 9th St, LLC
447 9 Street is a walk-up apartment building built in 1881 in Brooklyn, 11215. It has 3 residential units across 3 floors. The owner of record is 447 9th St, LLC. HPD has recorded 15 housing violations here, most recently on September 14, 2026. 5 of the 15 most recent violations are still open.
- HPD violations
- 15
- 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 · 15
- CImmediately hazardous
Remove device preventing door from being self-closing kickstand door stop installed on vestibule door at public hall, 1st story
Sep 14, 2026
Closed — Violation closed - 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
Sep 14, 2026
Open — Nov sent out - 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, 1st story
Sep 14, 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
Sep 14, 2026
Open — Nov sent out - 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 missing , 1st story
Sep 14, 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
Sep 14, 2026
Open — 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.
Apr 30, 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 5, 2025
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 26, 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.
Apr 3, 2024
Closed — Violation dismissed
Show 5 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.
Mar 20, 2023
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 18, 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.
Nov 15, 2017
Closed — Violation dismissed - BHazardous
Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following a minimum of 100 watts of incandescent light required. (light fixture present)
Oct 27, 2015
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 5, 2015
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Plumbing
Water supply
Sep 13, 2026 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C0)
- Year built
- 1881
- Floors
- 3
- Residential units
- 3
- Building area
- 3,960 ft²
- Lot area
- 1,980 ft²
- Zoning
- R6A
- Community board
- 306
- Council district
- 39
- Block / lot
- 1090 / 70
- Assessed value
- $223,860
- Landmark / historic district
- Park Slope Historic District Extension
HPD registration #318918, last renewed Sep 25, 2025.
Questions about 447 9 Street
Who owns 447 9 Street?
The owner of record in NYC Department of City Planning PLUTO data is 447 9th St, LLC.
Does 447 9 Street have violations?
Yes. NYC HPD has recorded 15 housing violations at this property.
Is 447 9 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 447 9 Street built?
City records list 1881 as the year it was built.
How many apartments are in 447 9 Street?
It has 3 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.