306 Union Street
Brooklyn, NY 11231BBL 3-00435-0016Map
Owner of record: 306 Union Street LLC
306 Union Street is a walk-up apartment building built in 1920 in Brooklyn, 11231. It has 4 residential units across 3 floors. The owner of record is 306 Union Street LLC. HPD has recorded 5 housing violations here, most recently on April 13, 2021.
- HPD violations
- 5
- DOB violations
- 2
- 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. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 5
- 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
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 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 - 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 25, 2015
Closed — Violation dismissed
DOB building violations · 2
- Construction other optional
C-construction other optional
Apr 14, 2007
Vw*-violation - work w/o permit dismissed - Construction other optional
Work without a permit. work noted total gut renovation at basement level with the installation and removal of water waste line and electrical wiring in basement and first floor level without permit remedy: stop all work, obtain a permiit and call dept of bldgs prior to commercement of work
Apr 14, 2007
Vw*-violation - work w/o permit dismissed
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 (C3)
- Year built
- 1920
- Floors
- 3
- Residential units
- 4
- Building area
- 4,620 ft²
- Lot area
- 2,200 ft²
- Zoning
- R6B
- Community board
- 306
- Council district
- 39
- Block / lot
- 435 / 16
- Assessed value
- $1,483,200
- Landmark / historic district
- No
HPD registration #321359, last renewed Aug 7, 2025.
Questions about 306 Union Street
Who owns 306 Union Street?
The owner of record in NYC Department of City Planning PLUTO data is 306 Union Street LLC.
Does 306 Union Street have violations?
Yes. NYC HPD has recorded 5 housing violations at this property.
Is 306 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 306 Union Street built?
City records list 1920 as the year it was built.
How many apartments are in 306 Union Street?
It has 4 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.