451 Clarkson Avenue

Brooklyn, NY 11203BBL 3-04829-0001Map

Owner of record: NYC Health And Hospitals Corporation

451 Clarkson Avenue is a hospital / health built in 1930 in Brooklyn, 11203. The owner of record is NYC Health And Hospitals Corporation. HPD has no housing violations on record for this property.

HPD violations: 0
DOB violations: 942
ECB violations: 327
HPD complaints: 14

What to know

Good

No open Class C

No open immediately-hazardous violations among recent records.

Good

No HPD violations

HPD has not cited this building.

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. The newest 10 per agency here; the full lists are a click away.

HPD housing violations · 0

No HPD violations on record

DOB building violations · 942

Construction other optional
Borough commissioner has ordered all work stopped under permit #310103553 on 8/19/2020 due to contractor withdrawal
Apr 29, 2026
Dob violation - active
Construction other optional
Borough commissioner has ordered all work stopped under permit #b00621114-i1 on 11/18/25. contractor withdrawal
Apr 29, 2026
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 internal hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 internal hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 internal hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 internal hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 internal hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 external hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 external hgh pressure inspection
Nov 14, 2025
Dob violation - active
High pressure boiler boiler required
Violation issued-failure to file 2024 external hgh pressure inspection
Nov 14, 2025
Dob violation - active

See all 942 DOB violations

ECB violations · 327

Class - 2
Pedestrian protection does not meet code specifications.bc 3307.6.5.1 at time of inspection of permitted sidewalk shed i observed several missing bolt covers in the pedestrian passageway at exposure 1.this caus
Sep 3, 2025 · Penalty $2,400
Active
Class - 2
Temporary construction equipment or installation on site expired permit. as of today 06/09/2025 permit #b01128683-i1-pmm expired on 01/22/2025. no current permit on file. remedy: renew permit.
Jun 3, 2025 · Penalty $1,250
Active
Class - 2
Temporary construction equipment/installation on site expired permit(shed). as of today 06/09/2025 permit #b01006748-i1-sh expired on 02/20/2025. no current permit on file. remedy: renew permit.
Jun 3, 2025 · Penalty $1,250
Active
Class - 1
Failure to take required measures to secure public safety-unsafe facade. note: observed step cracks in parapet wall exp(1) north ele, exposure(2) east, exposure(3) south and exposure(4) west ele vertical cracks
Oct 9, 2024 · Penalty $10,000
Active
Class - 1
Failure to take required measures to secure public safety-unsafe facade. note: observed step cracks in parapet wall exp(1) north ele; exposure(2) east, exposure(3) south and exposure(4) west ele. vertical crack
Sep 10, 2024 · Penalty $10,000
Active
Class - 2
Failure to file acceptable amended cycle 9a report indicating correction of unsafe conditions described in initial facades report required by 28-302.5 for control #909960. remedy: file acceptable report.
Jan 16, 2024 · Penalty $1,250
Active
Class - 2
Failure to file acceptable amended cycle 9a report indicating correction of unsafe conditions described in initial facades report required by 28-302.5 for control #909959. remedy: file acceptable report.
Jan 16, 2024 · Penalty $1,250
Active
Class - 2
Failure to file acceptable amended cycle 9a report indicating correction of unsafe conditions described in initial facades report required by 28-302.5 for control #914426. remedy: file acceptable report.
Jan 16, 2024 · Penalty $1,250
Active
Class - 2
Failure to file acceptable amended cycle 6, 7a, 8a, and 9a report indicating correction of unsafe conditions described in initial facades report required by 28-302.5 for control #909958. remedy: file acceptable
Jan 16, 2024 · Penalty $1,250
Active
Class - 2
Failure to file acceptable amended cycle 7a, 8a, and 9a report indicating correction of unsafe conditions described in initial facades report required by 28-302.5 for control #909955. remedy: file acceptable re
Jan 16, 2024 · Penalty $1,250
Active

See all 327 ECB violations

Complaints

Heat/hot water
Entire building
Dec 20, 2025 · Apt BLDG
Close
Plumbing
Toilet
Aug 24, 2018 · Apt 5H
Close
Electric
Lighting
Jun 2, 2009 · Apt BLDG
Close
Heating
Heat related
Dec 25, 2008 · Apt 1R
Close
Heating
Heat related
Dec 20, 2007 · Apt 1R
Close
Heating
Heat related
Dec 13, 2007 · Apt 1R
Close
Heating
Heat related
Nov 16, 2007 · Apt 2FL
Close
Heating
Heat related
Jan 29, 2007 · Apt BLDG
Close
Heating
Heat related
Feb 7, 2006 · Apt BLDG
Close
Paint/plaster
Ceiling
Jan 24, 2005 · Apt 3B
Close

See all 14 HPD complaints

Sales history

No recorded sales in our data

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

Building details

Building type: Hospital / health (I1)
Year built: 1930
Floors: 5
Residential units: —
Building area: 1,503,150 ft²
Lot area: 891,577 ft²
Zoning: R5
Community board: 309
Council district: 40
Block / lot: 4829 / 1
Assessed value: $145,664,100
Landmark / historic district: No

Questions about 451 Clarkson Avenue

Who owns 451 Clarkson Avenue?

The owner of record in NYC Department of City Planning PLUTO data is NYC Health And Hospitals Corporation.

Does 451 Clarkson Avenue have violations?

NYC HPD has no housing violations on record for this property.

Is 451 Clarkson 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 451 Clarkson Avenue built?

City records list 1930 as the year it was built.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.