251 Avenue X
Brooklyn, NY 11223BBL 3-07173-0048Map
Owner of record: Aa Ngo Realty LLC
251 Avenue X is a mixed residential and retail building built in 1931 in Brooklyn, 11223. It has 1 residential unit across 2 floors. The owner of record is Aa Ngo Realty LLC. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 9
- ECB violations
- 1
- HPD complaints
- 3
What to know
No open immediately-hazardous violations among recent records.
HPD has not cited this building.
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 · 0
No HPD violations on record
DOB building violations · 9
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 1, 2009
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 19, 2007
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 6, 2006
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 31, 2005
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 13, 2004
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 19, 2003
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 26, 2002
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 27, 2001
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 7, 2000
Dob violation - dismissed
ECB violations · 1
- Class - 3
B354 48.50a.50b.50c 50a louva on fresh air intak 50b check valve missing on feed waterline 50c replacesafety or relief w/ a s.m.e type side blow down
Aug 26, 2009
Resolve
Complaints
- Unsanitary condition
Pests
Mar 1, 2023 · Apt 2FL
Close - Safety
Smoke detector
Mar 1, 2023 · Apt 2FL
Close - Safety
Carbon monoxide detector
Mar 1, 2023 · Apt 2FL
Close
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Apr 13, 2026 | Non-market transfer | One family dwellings | 2 |
Building details
- Building type
- Mixed residential and retail building (S1)
- Year built
- 1931
- Floors
- 2
- Residential units
- 1
- Building area
- 1,872 ft²
- Lot area
- 2,100 ft²
- Zoning
- M1-1
- Community board
- 315
- Council district
- 44
- Block / lot
- 7173 / 48
- Assessed value
- $52,020
- Landmark / historic district
- No
Questions about 251 Avenue X
Who owns 251 Avenue X?
The owner of record in NYC Department of City Planning PLUTO data is Aa Ngo Realty LLC.
Does 251 Avenue X have violations?
NYC HPD has no housing violations on record for this property.
Is 251 Avenue X 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 251 Avenue X built?
City records list 1931 as the year it was built.
How many apartments are in 251 Avenue X?
It has 1 residential units and 2 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.