3921 9th Avenue

3921 9th Avenue in Sunset Park, Brooklyn, has 24 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (35/100).

Mixed residential & commercial · 2 units · Built 1930

StreetSpy grade: F (Severe, 35/100)

• 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
• 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.

• Repairs: High (24 open, 1 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: High (2 open DOB violations), records as of Oct 26, 2026
• Registration: Through Sep 1, 2027, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

24 open violations: 1 class C (immediately hazardous), 17 class B, 6 class A. 1 issued in the last 12 months. 38 on record. Oldest open violation issued 2001-08-08. Newest violation issued 2026-04-30.

0 closed in the last 90 days. Median 47 days from issue to close for the 2 violations closed in the last 12 months.

• Class C: Broken window or sash (hallway). D26-11.01, 11.03, 11.05 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE 1 STY PUBLIC HALL AND PUBLIC HALL 1 STY TO CELLAR APROX 5 SQ YDS CLOTHES GLASS BAGS BOXES ETC., issued 2008-06-19. HPD violation 980468
• Class B: Self-closing door not working (entrance). D26-10.01, 10.05 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ENTRANCE TO 2 STY NORTH APT R101. , SECTION '' '' (apt R101), issued 2008-06-19. HPD violation 980470
• Class B: Door, lock or intercom defect (entrance). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FRONT ENTRANCE DOOR TO BLDG LOCKED PREVENTING ACCESS TO BELLS FOR APT., issued 2008-06-19. HPD violation 980473
• Class B: Self-closing door not working (roof). D26-10.01, 10.05 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS PUB HALL BULKHEAD TO ROOF., issued 2008-06-19. HPD violation 980471
• Class B: Lighting defect (entrance). D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION VESTIBULE & ALL STYS PUB HALL R99., issued 2008-06-19. HPD violation 980469
• Class B: Door, lock or intercom defect (entrance). & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF NO OUTSIDE BELLS FRONT ENTRANCE TO BLDG., issued 2008-06-19. HPD violation 980474
• Class B: Roaches, throughout the apartment, 2nd floor. ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2L), issued 2006-06-20. HPD violation 6215376
• Class B: Mice, throughout the apartment, 2nd floor. ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2L), issued 2006-06-20. HPD violation 6215377

311 housing complaints

6 in the last 12 months, 7 in 5 years. Most common: Water Leak (3), Paint/Plaster (2), 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: No bedbug filing on record for this year
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

2 open DOB violations. 3 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: 3917 LLC. Head officer: Joseph Fiorello. Managing agent: Joseph Fiorello. See the full portfolio.

Last HPD registration Jun 12, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3055830001, HPD building ID 135058. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 9 Av (D), 2 min walk
• Fort Hamilton Pkwy (D), 6 min walk
• 50 St (D), 13 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.