8510 21 Avenue

Brooklyn, NY 11214BBL 3-06346-0042Map

Owner of record: 8510 21st Avenue Holdings, LLC

8510 21 Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11214. It has 2 residential units across 3 floors. The owner of record is 8510 21st Avenue Holdings, LLC. HPD has recorded 4 housing violations here, most recently on November 7, 2014. 4 of the 4 most recent violations are still open.

HPD violations: 4
DOB violations: 0
ECB violations: 3
HPD complaints: 35

What to know

Good

No open Class C

No open immediately-hazardous violations among recent records.

Good

Last violation Nov 7, 2014

Date of the most recent HPD inspection that found a problem.

Good

No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 4

BHazardous
Properly repair with similar material the broken or defective wood floor throughout in the entire apartment located at apt flr3, 3rd story, 1st apartment from west at north
Nov 7, 2014 · Apt FLR3
Open — Nov sent out
BHazardous
Repair the roof so that it will not leak at ceiling in the kitchen located at apt flr3, 3rd story, 1st apartment from west at north
Nov 7, 2014 · Apt FLR3
Open — Nov sent out
BHazardous
Repair the broken or defective plastered surfaces and paint in uniform color all walls and ceiling in the entire apartment located at apt flr3, 3rd story, 1st apartment from west at north
Nov 7, 2014 · Apt FLR3
Open — Nov sent out
BHazardous
Properly repair with similar material the broken or defective ceramic tile at north wall in the bathroom located at apt flr3, 3rd story, 1st apartment from west at north
Nov 7, 2014 · Apt FLR3
Open — Nov sent out

DOB building violations · 0

No DOB violations on record

ECB violations · 3

Class - 1
Unlawful acts. failure to comply with commissioner's order. for work without a permit for vio#39155916j ,no permit on file as of 5/29/2026., comply with commissioner's order
May 29, 2026 · Penalty $2,500
Active
Class - 1
Work without permit: access granted atoi at 1:30pm observed newly installed wall sockets for plug in ceiling lighting along with electrical heating lamps and one outdoor mini split condenser with one electrical
Aug 4, 2025 · Penalty $800
Resolve
Class - 1
Work without permit: atoi observed at expo # 3 an unpermitted undocumented one story alumni frame structure connected to the existing building with multiple windows two entry doors no permits were found for the
Aug 4, 2025 · Penalty $2,500
Active

Complaints

Appliance
Refrigerator
Oct 5, 2026 · Apt 3RDFLO
Open
Unsanitary condition
Sewage
Oct 5, 2026 · Apt 3RDFLO
Open
Heat/hot water
Apartment only
Jan 2, 2026 · Apt 3RDFLO
Close
Heat/hot water
Apartment only
Dec 23, 2025 · Apt 3RDFLO
Close
Heat/hot water
Apartment only
Nov 24, 2025 · Apt 3
Close
Heat/hot water
Entire building
Nov 12, 2025 · Apt BLDG
Close
Paint/plaster
Wall
Dec 18, 2014 · Apt 3FL
Close
Unsanitary condition
Pests
Dec 18, 2014 · Apt 3FL
Close
Paint/plaster
Wall
Dec 18, 2014 · Apt 3FL
Close
Unsanitary condition
Mold
Dec 18, 2014 · Apt 3FL
Close

Show 25 more ↓

Plumbing
Radiator
Dec 8, 2014 · Apt 3FLR
Close
Paint/plaster
Ceiling
Dec 8, 2014 · Apt 3FLR
Close
Electric
Lighting
Dec 8, 2014 · Apt 3FLR
Close
Unsanitary condition
Mold
Dec 8, 2014 · Apt 3FLR
Close
Paint/plaster
Wall
Dec 8, 2014 · Apt 3FLR
Close
Flooring/stairs
Floor
Dec 8, 2014 · Apt 3FLR
Close
Water leak
Slow leak
Dec 8, 2014 · Apt 3FLR
Close
Unsanitary condition
Pests
Dec 8, 2014 · Apt 3FLR
Close
Plumbing
Basin/sink
Dec 8, 2014 · Apt 3FLR
Close
Flooring/stairs
Floor
Dec 1, 2014 · Apt FLR3
Close
Plumbing
Basin/sink
Dec 1, 2014 · Apt FLR3
Close
Paint/plaster
Ceiling
Dec 1, 2014 · Apt FLR3
Close
Unsanitary condition
Mold
Dec 1, 2014 · Apt FLR3
Close
Paint/plaster
Wall
Dec 1, 2014 · Apt FLR3
Close
Water leak
Heavy flow
Dec 1, 2014 · Apt FLR3
Close
Heat/hot water
Apartment only
Nov 2, 2014 · Apt 3FL
Close
Unsanitary condition
Mold
Oct 20, 2014 · Apt FLR3
Close
Water leak
Heavy flow
Oct 20, 2014 · Apt FLR3
Close
Paint/plaster
Ceiling
Oct 20, 2014 · Apt FLR3
Close
Paint/plaster
Wall
Oct 20, 2014 · Apt FLR3
Close
Paint/plaster
Wall
Oct 20, 2014 · Apt FLR3
Close
Unsanitary condition
Pests
Oct 20, 2014 · Apt FLR3
Close
Flooring/stairs
Floor
Oct 20, 2014 · Apt FLR3
Close
Nonconst
Vermin
Jun 17, 2010 · Apt 1
Close
Heating
Heat related
Oct 24, 2005 · Apt 2
Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type: Mixed residential and retail building (S2)
Year built: 1931
Floors: 3
Residential units: 2
Building area: 3,534 ft²
Lot area: 1,900 ft²
Zoning: C4-2
Community board: 311
Council district: 43
Block / lot: 6346 / 42
Assessed value: $109,320
Landmark / historic district: No

HPD registration #826680, last renewed Jan 21, 2026.

Questions about 8510 21 Avenue

Who owns 8510 21 Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 8510 21st Avenue Holdings, LLC.

Does 8510 21 Avenue have violations?

Yes. NYC HPD has recorded 4 housing violations at this property.

Is 8510 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 8510 21 Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 8510 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.