521 Henry Street
Brooklyn, NY 11231BBL 3-00338-0006Map
Owner of record: 2023 O'connell Qss Trust
521 Henry Street is a mixed residential and retail building built in 1900 in Brooklyn, 11231. It has 3 residential units across 3 floors. The owner of record is 2023 O'connell Qss Trust. HPD has recorded 7 housing violations here, most recently on May 4, 2026. 4 of the 7 most recent violations are still open.
- HPD violations
- 7
- DOB violations
- 2
- ECB violations
- 0
- HPD complaints
- 16
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 · 7
- 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 4, 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 - CImmediately hazardous
Provide hot water at all hot water fixtures in the 1st room from north located at apt 1, 1st story, 1st apartment from east at south
Oct 27, 2021 · Apt 1
Closed — Violation closed - CImmediately hazardous
Provide an adequate supply of gas to the fixtures at range in the kitchen located at apt 1, 1st story, 1st apartment from east at south
Oct 27, 2021 · Apt 1
Closed — Violation closed - 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 9, 2021
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 minimum required 100 watts(light fixture present) at front areaway, 1st story
Oct 31, 2019
Open — Nov sent out - 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 ***minimum 100 watts of incandescent light required***
Apr 16, 2012
Open — Not complied with
DOB building violations · 2
- Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2016 inspection report
Apr 6, 2018
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 6, 2006
Dob violation - dismissed
ECB violations · 0
No ECB violations on record
Complaints
- Heat/hot water
Apartment only
Oct 29, 2025 · Apt 2R
Close - Heat/hot water
Entire building
Nov 18, 2021 · Apt 1
Close - Heat/hot water
Entire building
Nov 17, 2021 · Apt 1
Close - Heat/hot water
Entire building
Nov 15, 2021 · Apt 1
Close - Heat/hot water
Entire building
Nov 13, 2021 · Apt 1
Close - Heat/hot water
Entire building
Nov 12, 2021 · Apt 1
Close - Heat/hot water
Entire building
Nov 3, 2021 · Apt 2
Close - Heat/hot water
Entire building
Nov 2, 2021 · Apt 1
Close - Heat/hot water
Entire building
Nov 2, 2021 · Apt 2
Close - Heat/hot water
Entire building
Oct 28, 2021 · Apt 2
Close
Show 6 more ↓
- Heat/hot water
Entire building
Oct 28, 2021 · Apt 1
Close - General
Cooking gas
Oct 28, 2021 · Apt 1
Close - Heat/hot water
Entire building
Oct 28, 2021 · Apt 1
Close - General
Cooking gas
Oct 28, 2021 · Apt 1
Close - Heat/hot water
Entire building
Oct 24, 2021 · Apt 1
Close - Electric
Lighting
Apr 16, 2012 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S3)
- Year built
- 1900
- Floors
- 3
- Residential units
- 3
- Building area
- 3,520 ft²
- Lot area
- 1,840 ft²
- Zoning
- R6A
- Community board
- 306
- Council district
- 39
- Block / lot
- 338 / 6
- Assessed value
- $1,124,550
- Landmark / historic district
- No
HPD registration #312909, last renewed Aug 23, 2024.
Questions about 521 Henry Street
Who owns 521 Henry Street?
The owner of record in NYC Department of City Planning PLUTO data is 2023 O'connell Qss Trust.
Does 521 Henry Street have violations?
Yes. NYC HPD has recorded 7 housing violations at this property.
Is 521 Henry 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 521 Henry Street built?
City records list 1900 as the year it was built.
How many apartments are in 521 Henry Street?
It has 3 residential units and 4 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.