173 Union Street
Brooklyn, NY 11231BBL 3-00337-0037Map
Owner of record: 173 Union St LLC
173 Union Street is a walk-up apartment building built in 1899 in Brooklyn, 11231. It has 3 residential units across 3 floors. The owner of record is 173 Union St LLC. HPD has recorded 19 housing violations here, most recently on May 6, 2026. 16 of the 19 most recent violations are still open.
- HPD violations
- 19
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 0
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 · 19
- 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 6, 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 11, 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.
Apr 12, 2024
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 22, 2023
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 27, 2023
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 14, 2022
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 2, 2022
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.
Mar 2, 2022
Open — Info nov sent out
Show 9 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.
Apr 13, 2021
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.
Apr 13, 2021
Open — Info 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.
Oct 22, 2018
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, 2016
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 14, 2015
Closed — Violation dismissed - BHazardous
M/d law abate the nuisance consisting of evidence of concealed water leak at kitchen ceiling basement apt
Sep 24, 1999
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of evidence of concealed water leak over northeast kitchen window basement apt
Sep 24, 1999
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of evidence of concealed water leak at ceiling southeast corner of front room basement apt
Sep 24, 1999
Open — Nov sent out - BHazardous
Repair or replace the smoke detector which is in operative basement apt rando
Sep 24, 1999
Open — Nov sent out
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C0)
- Year built
- 1899
- Floors
- 3
- Residential units
- 3
- Building area
- 3,520 ft²
- Lot area
- 2,200 ft²
- Zoning
- R6B
- Community board
- 306
- Council district
- 39
- Block / lot
- 337 / 37
- Assessed value
- $266,280
- Landmark / historic district
- No
HPD registration #323255, last renewed Sep 24, 2019.
Questions about 173 Union Street
Who owns 173 Union Street?
The owner of record in NYC Department of City Planning PLUTO data is 173 Union St LLC.
Does 173 Union Street have violations?
Yes. NYC HPD has recorded 19 housing violations at this property.
Is 173 Union 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 173 Union Street built?
City records list 1899 as the year it was built.
How many apartments are in 173 Union 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.