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420 Clinton Street, Brooklyn — Grade F | OpenStoop

420 CLINTON STREET, Brooklyn

Building Health Grade: F (2/100)

Year Built: 1931 · Units: 6

420 Clinton Street

Brooklyn 11231

Health Score

Higher is better. Based on 25 data sources across violations, complaints, permits, sales, and legal records.

High Confidence

This building has critical unresolved issues — proceed with caution

Serious unresolved problems. Consider alternatives or get professional advice before proceeding.

420 Clinton Street is a mixed four-family and commercial building built in 1931 in Brooklyn with 6 residential units. It carries a Grade F health score, with 32 open Class C hazardous violations and Class C violations that have not been corrected among the recorded concerns. Our analysis reviewed 596 records across 25 public data sources, benchmarked against similar mid-sized prewar residential buildings in NYC.

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vs Neighborhood (11231)

3,407 buildings in this zip code

0th

Better than 0% of buildings in 11231

Bottom tier

Avg score: 92

WorstBest in 11231

Alerts

Open Critical Violations

This building has unresolved Class C (immediately hazardous) violations that require urgent repair.

Chronic Habitability Pattern

This flag was detected in our analysis of this building.

Severe Heat/Hot Water Crisis

10+ heat or hot water complaints filed in the past year. Tenants are likely experiencing ongoing outages.

Unresolved Critical Violation

The owner failed to comply with a Class C (immediately hazardous) violation order. This indicates willful neglect.

Hazardous ECB Violation

The Environmental Control Board identified a hazardous condition requiring immediate attention.

Score Breakdown

Living ConditionsBased on housing violations — things like heat, hot water, pests, mold

0Critical

Building SafetyStructural issues, fire safety, elevator problems, code violations

8Critical

Complaint BurdenHow often residents call 311 or file complaints about this building

19Critical

Management QualityHow quickly the owner fixes problems and maintains the building

47Poor

Financial HealthTax liens, water debt, unpaid city charges

No issues

Legal & EnforcementCity lawsuits and legal actions against the building owner

15Critical

Maintenance HistoryBoiler, facade, and routine upkeep inspection records

No issues

Violations by Year↓ Improving

Total: 296 violations · Peak: 30 in 2024

Event Activity by Category

Violations

296

Complaints

252

Permits

Compliance

Financial

Inspections

Legal

Total: 596 events across 7 categories

Key Statistics

257

Housing Violations→

(197 open)

City-documented problems with living conditions

27.1x neighborhood avg

Class C (Hazardous)→

Immediately dangerous conditions requiring urgent repair

80.0x neighborhood avg

Building Violations→

Department of Buildings code violations

10.7x neighborhood avg

Building Complaints→

Building-related 311 complaints (housing, safety, maintenance — excludes noise, parking, street)

1.7x avg

Permits Issued→

Approved construction or renovation work

Near average

1931

Built 95 years ago

↑Improving — 13 violations this year vs 20 last year

Sale History

Ownership changes, mortgages, and financial transactions recorded for this property.

Apr 8, 1986

Satisfaction of Mortgage

Recorded

No tax liens found for this property.

Litigation History

Legal actions taken by the city against this building's owner for failure to maintain safe conditions.

Sep 28, 2012

Access Warrant - Non-Lead — A S A MANAGING PARTNERS LLC,ANNIE ASSOULINE,SANDRA GRANT

CLOSED

Case Type: Access Warrant - Non-Lead

Case Status: CLOSED

Judgment: NO

Case Opened: Sep 28, 2012

Jul 25, 2011

Access Warrant - Non-Lead — A S A MANAGING PARTNERS LLC,ALBA SAMPERISI,ANNIE ASSOULINE,SANDRA GRANT

CLOSED

Case Type: Access Warrant - Non-Lead

Case Status: CLOSED

Judgment: NO

Case Opened: Jul 25, 2011

Apr 6, 2010

Comp Supplemental Cases — A S A MANAGING PARTNERS LLC,ANNIE ASSOULINE,SANDRA GRANT

CLOSED

Case Type: Comp Supplemental Cases

Case Status: CLOSED

Judgment: NO

Case Opened: Apr 6, 2010

Sep 16, 2008

Comprehensive — A S A MANAGING PARTNERS LLC,ANNIE ASSOULINE,SANDRA GRANT

CLOSED

Case Type: Comprehensive

Case Status: CLOSED

Judgment: NO

Case Opened: Sep 16, 2008

Complete record of violations, complaints, permits, and other events for this building, newest first.

High Priority (8)

Complaint

Nov 6, 2025• 6 months ago

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt 1R)

Type: EMERGENCY

Apartment: 1R

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Nov 5, 2025

Resolution: The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed. If the condition still exists, please file a new

Complaint

Nov 5, 2025• 6 months ago

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt BLDG)

Type: EMERGENCY

Apartment: BLDG

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Nov 3, 2025

Complaint

Oct 29, 2025• 6 months ago

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt BLDG)

Type: EMERGENCY

Apartment: BLDG

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Oct 27, 2025

Resolution: More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.The Department of Housing Preservation and Development contacted a tenant in the building and verified that the following condit

Complaint

Oct 29, 2025• 6 months ago

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt 2F)

Type: EMERGENCY

Apartment: 2F

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Oct 27, 2025

Resolution: More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.HPD called the telephone number on file for this complaint. Someone at that number indicated that the condition was corrected.

Complaint

Oct 29, 2025• 6 months ago

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt 3R)

Type: EMERGENCY

Apartment: 3R

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Oct 27, 2025

Resolution: HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for the property owner to correct any violations are av

Housing Violation

Oct 29, 2025• 6 months ago

OPEN

Class C (Immediately Hazardous): § 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST

Class: C

Apartment: 3R

Floor: 3

Status: NOV SENT OUT

Rent Impairing: Yes

Nov Type: Original

Issued Date: Oct 30, 2025

Cure By Date: Oct 30, 2025

Status Date: Oct 30, 2025

Housing Violation

Oct 29, 2025• 6 months ago

OPEN

Class C (Immediately Hazardous): § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM

Class: C

Floor: 0

Status: NOV SENT OUT

Nov Type: Original

Issued Date: Oct 30, 2025

Cure By Date: Nov 5, 2025

Status Date: Oct 30, 2025

Complaint

Oct 26, 2025• 7 months ago

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt 2F)

Type: EMERGENCY

Apartment: 2F

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Oct 24, 2025

Medium Priority (2)

Complaint

Dec 4, 2025• 5 months ago

GENERAL — BELL/BUZZER/INTERCOM [NON EMERGENCY] (Apt 2F)

Type: NON EMERGENCY

Apartment: 2F

Space Type: ENTRANCE/FOYER

Unit Type: APARTMENT

Complaint Status: CLOSE

Problem Status: CLOSE

Received Date: Oct 24, 2025

Resolution: HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more information on the reason why HPD was unable to insp

Safety Complaint

Oct 27, 2025• 6 months ago

DOB Complaint #58

Category: 58

Disposition: C2

Disposition Date: 11/28/2025

Inspection Date: 11/28/2025

Unit: BOILR

Low Priority (1)

Building Violation

Nov 14, 2025• 6 months ago

ACTIVE

Low Pressure Boiler: VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

Type: Low Pressure Boiler

Violation #: 08313

Category: ACTIVE

Code: LBLVIO

Device #: 00034874

Issued: Nov 14, 2025

Informational (3)

Tax Record

Jan 1, 2027• Today

Assessed

SAMPERISI, ALBA

Year Built: 1,931

Building Class: S5

Gross Area: 5,700 sqft

Units: 7

Stories: 4

Zoning: R6A

Assessed Value: $1,821,150

Market Value: $4,047,000

Tax Record

Jan 1, 2026• 4 months ago

Assessed

SAMPERISI, ALBA

Year Built: 1,931

Building Class: S5

Gross Area: 5,700 sqft

Units: 7

Stories: 4

Zoning: R6A

Assessed Value: $1,553,400

Market Value: $3,452,000

Tax Record

Jan 1, 2026• 4 months ago

Assessed

SAMPERISI, ALBA

Year Built: 1,931

Building Class: S5

Gross Area: 5,700 sqft

Units: 7

Stories: 4

Zoning: R6A

Assessed Value: $1,553,400

Market Value: $3,452,000

Other Events (6)

hpd bedbug

Dec 23, 2025• 5 months ago

Filed

Annual bedbug filing — no infestations reported

Filing Period Start: Nov 1, 2024·Filing Period End: Oct 31, 2025

311 Complaint

Nov 5, 2025• 6 months ago

ENTIRE BUILDING

Complaint Type: HEAT/HOT WATER

Descriptor: ENTIRE BUILDING

Descriptor2: NO HEAT

Resolution Description: The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed

Closed Date: Nov 5, 2025

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Nov 3, 2025• 6 months ago

ENTIRE BUILDING

Complaint Type: HEAT/HOT WATER

Descriptor: ENTIRE BUILDING

Descriptor2: NO HEAT

Closed Date: Nov 4, 2025

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Oct 28, 2025• 6 months ago

ENTIRE BUILDING

Complaint Type: HEAT/HOT WATER

Descriptor: ENTIRE BUILDING

Descriptor2: NO HEAT AND NO HOT WATER

Resolution Description: This complaint is a duplicate of a building-wide condition already reported by another tenant. The original complaint is still open, and HPD may only need to confirm that the condition exists by insp

Closed Date: Oct 29, 2025

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Oct 27, 2025• 6 months ago

ENTIRE BUILDING

Complaint Type: HEAT/HOT WATER

Descriptor: ENTIRE BUILDING

Descriptor2: NO HEAT AND NO HOT WATER

Closed Date: Oct 29, 2025

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Oct 27, 2025• 6 months ago

ENTIRE BUILDING

Complaint Type: HEAT/HOT WATER

Descriptor: ENTIRE BUILDING

Descriptor2: NO HEAT AND NO HOT WATER

Resolution Description: HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for t

Closed Date: Oct 29, 2025

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

Property Details

Year Built

1931

Total Units

Residential Units

Building Class

Location

BBL

3003500024

Zipcode

11231

Location

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Property Owner

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This report is an informational tool based on publicly available government records and does not constitute a “consumer report” under the Fair Credit Reporting Act. Building grades are editorial opinions and should not be used as the sole basis for housing, lending, or employment decisions. Data sourced from HPD, DOB, DOF, ECB, FDNY, 311, and other NYC agencies. Report errors to data@openstoop.com. See our Terms and Privacy Policy.

420 CLINTON STREET, Brooklyn — Grade F

420 Clinton Street

This building has critical unresolved issues — proceed with caution

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