631 St Marks Avenue

631 St Marks Avenue in Crown Heights, Brooklyn, has 15 open HPD violations, 14 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (60/100).

Multi-family walk-up · 4 units · Built 1931

StreetSpy grade: D (Poor, 60/100)

• 14 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• No housing complaints to 311 in the last 12 months.
• The owner's bedbug filings report no infested units in the last 3 years.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

More open violations per unit than 8 in 10 Brooklyn buildings this size.

• Repairs: High (15 open, 14 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

15 open violations: 14 class C (immediately hazardous), 0 class B, 1 class A. 1 issued in the last 12 months. 107 on record. Oldest open violation issued 1994-02-22. Newest violation issued 2026-05-06.

0 closed in the last 90 days. Median 6,404 days from issue to close for the 24 violations closed in the last 12 months.

• Class C: Lead paint hazard, 1st window frame from the west, north wall, kitchen, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING, NORTH WALL, WEST WALL, 1st WINDOW FRAME FROM WEST AT NORTH WALL IN THE KITCHEN LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3A), issued 2005-09-14. HPD violation 5712688
• Class C: Lead paint hazard, 2nd window frame from the east, south wall, 4th room from the north, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 2nd WINDOW FRAME FROM EAST AT SOUTH WALL IN THE 4th ROOM FROM NORTH AT EAST LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3A), issued 2005-09-14. HPD violation 5712685
• Class C: Lead paint hazard, 3rd room from the north, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) WEST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3A), issued 2005-09-14. HPD violation 5712686
• Class C: Lead paint hazard, 1st window frame from the east, south wall, 4th room from the north, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) CEILING, 1st DOOR FRAME FROM NORTH AT EAST WALL, 1st WINDOW FRAME FROM EAST AT SOUTH WALL IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3A), issued 2005-09-14. HPD violation 5712684
• Class C: Lead paint hazard, south wall, 1st room from the north, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) BASEBOARD AT SOUTH WALL, CEILING, 1st FIREPLACE FROM NORTH AT EAST WALL IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 3A), issued 2005-09-14. HPD violation 5712687
• Class C: Lead paint hazard, kitchen, 1st floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR IS ON A DETERIORATED SUBSURFACE - USING EXCLUSIVE INTERIM CONTROLS. CEILING IN THE KITCHEN LOCATED AT APT BSMNT, 1st STORY (apt BSMNT), issued 2003-12-19. HPD violation 4798669
• Class C: Lead paint hazard, kitchen, 1st floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR IS ON A DETERIORATED SUBSURFACE - USING EXCLUSIVE INTERIM CONTROLS. CEILING, SOUTH WALL IN THE KITCHEN LOCATED AT APT 1FL, 1st STORY (apt 1FL), issued 2003-12-03. HPD violation 4782939
• Class C: Lead paint hazard, bathroom, 1st floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR IS ON A DETERIORATED SUBSURFACE - USING EXCLUSIVE INTERIM CONTROLS. CEILING, NORTH WALL, WEST WALL IN THE BATHROOM LOCATED AT APT 1FL, 1st STORY (apt 1FL), issued 2003-12-03. HPD violation 4782912

311 housing complaints

0 in the last 12 months, 0 in 5 years.

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: No bedbug filing on record for this year
• 2023: No bedbug filing on record for this year
• 2022: No bedbug filing on record for this year
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

No open DOB violations. 0 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

No rent-stabilized units on the tax bill.

Owner and management

Owner: 631 St. Marks LLC. Head officer: Ashley Adelman. Managing agent: NHS Community Property Managers LLC. See the full portfolio.

Last HPD registration Aug 24, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3012190074, HPD building ID 374918. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Park Pl (S), 6 min walk
• Nostrand Av (A, C), 7 min walk
• Franklin Av (S), 8 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.