397 4th Avenue

397 4th Avenue in Park Slope, Brooklyn, has 20 open HPD violations, 3 of them class C, and 3 of 6 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (44/100).

Multi-family walk-up · 6 units · Built 1931

StreetSpy grade: F (Severe, 44/100)

• 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The head officer on this registration is named on 17 buildings' registrations; 3 graded D or F.
• 3 of 6 units are rent-stabilized; 4 on the 2007 tax bill.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (20 open, 3 class C), records as of Oct 25, 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 27, 2026
• Safety: Medium (1 open DOB violation), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

20 open violations: 3 class C (immediately hazardous), 12 class B, 5 class A. 25 issued in the last 12 months. 33 on record. Oldest open violation issued 2025-11-10. Newest violation issued 2026-08-11.

1 closed in the last 90 days. Median 129 days from issue to close for the 5 violations closed in the last 12 months.

2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Self-closing door not working (entrance). , 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BUILDING ENTRANCE DOOR, issued 2026-08-11. HPD violation 19133033
• Class C: Damaged plaster or paint, 1st room from the north, 3rd floor. , 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR AT, ENTRANCE DOOR ,SOUTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 6), issued 2025-11-10. HPD violation 18356578
• Class C: Self-closing door not working, south wall, kitchen, 3rd floor. , 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE HINGES AT ENTRANCE DOOR , 2ND FROM WEST AT SOUTH WALL, IN THE KITCHEN LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 6), issued 2025-11-10. HPD violation 18356591
• Class B: Mold, bathroom, 3rd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT LEASS THAN 10 SQFT CEILING AND SOUTH WALL IN THE BATHROOM LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 18356586 ISSUED 09-NOV-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b). (apt 6), issued 2026-03-10. HPD violation 18702432
• Class B: Damaged plaster or paint, 1st room from the north, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCES AT, LOWER SASH WINDOW , 1ST FROM WEST AT, NORTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 6), issued 2025-11-10. HPD violation 18356581
• Class B: Leak or water damage, south wall, kitchen, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT SOUTH WALL IN THE KITCHEN LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 6), issued 2025-11-10. HPD violation 18356589
• Class B: Door, lock or intercom defect, kitchen, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GASKET AT REFRIGERATOR DOOR IN THE KITCHEN LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 6), issued 2025-11-10. HPD violation 18356593
• Class B: Electrical defect, west wall, bathroom, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ELECTRICAL LIGHT SWITCH AT WEST WALL IN THE BATHROOM LOCATED AT APT 6, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 6), issued 2025-11-10. HPD violation 18356583

311 housing complaints

1 in the last 12 months, 1 in 5 years. Most common: Plumbing (1).

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

Buildings department (DOB)

1 open DOB violation. 1 DOB violation 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

3 of 6 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 3 in 2024, 4 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 397 FOURTH LLC. Head officer: CHARLES A QUIMBY. Managing agent: CHARLES A QUIMBY. This owner has 17 buildings on record, 3 graded D or F. See the full portfolio.

Last HPD registration Jul 11, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3009930004, HPD building ID 129011. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 4 Av-9 St (R), 2 min walk
• 4 Av-9 St (F, G), 3 min walk
• Union St (R), 9 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.