8511 21 Avenue
Brooklyn, NY 11214BBL 3-06347-0006Map
Owner of record: Kc Brothers 2 LLC
8511 21 Avenue is a mixed residential and retail building built in 1930 in Brooklyn, 11214. It has 2 residential units across 3 floors. The owner of record is Kc Brothers 2 LLC. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 6
- ECB violations
- 1
- HPD complaints
- 0
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 · 6
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Nov 8, 2019
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2010 inspection report
Dec 13, 2011
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Sep 16, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active - Boiler boiler optional
B-boiler boiler optional
Sep 7, 1991
Vp*-violation unserved ecb- dismissed
ECB violations · 1
- Non-hazardous
18b
Sep 7, 1991
Resolve
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S2)
- Year built
- 1930
- Floors
- 3
- Residential units
- 2
- Building area
- 3,324 ft²
- Lot area
- 1,400 ft²
- Zoning
- C4-2
- Community board
- 311
- Council district
- 43
- Block / lot
- 6347 / 6
- Assessed value
- $100,020
- Landmark / historic district
- No
Questions about 8511 21 Avenue
Who owns 8511 21 Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Kc Brothers 2 LLC.
Does 8511 21 Avenue have violations?
NYC HPD has no housing violations on record for this property.
Is 8511 21 Avenue 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 8511 21 Avenue built?
City records list 1930 as the year it was built.
How many apartments are in 8511 21 Avenue?
It has 2 residential units and 3 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.