91 South 9th Street

91 South 9th Street in Williamsburg, Brooklyn, has 8 open HPD violations, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (60/100).

Co-op (HDFC) · Multi-family walk-up · 6 units · Built 1992

A limited-equity co-op held by a Housing Development Fund Corporation: the residents own shares, so a rental here is a sublet that usually needs board approval, and HDFC co-ops often limit sublets and resale prices. Co-op units are not rent-stabilized. How HDFCs are ranked

StreetSpy grade: D (Poor, 60/100)

• 8 open housing violations, none in the most serious class.
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The owner has 11 buildings on record; 4 graded D or F.
• A co-op: renting here is a sublet, usually with board approval and a time limit; units are not rent-stabilized.

• Repairs: High (8 open), 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)

8 open violations: 0 class C (immediately hazardous), 5 class B, 3 class A. 1 issued in the last 12 months. 8 on record. Oldest open violation issued 2011-03-16. Newest violation issued 2026-05-07.

HPD recorded no violation closed here 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 B: Damaged plaster or paint, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE BATHROOM LOCATED AT APT 3FL, 3rd STORY, APARTMENT AT NORTH (apt 3FL), issued 2011-08-30. HPD violation 9077977
• Class B: Leak or water damage, foyer, 3rd floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK OVER CEILING IN THE FOYER LOCATED AT APT 11C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11C), issued 2011-03-17. HPD violation 8855051
• Class B: Damaged plaster or paint, ceiling, foyer, 3rd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED WIRES AT CEILING IN THE FOYER LOCATED AT APT 11C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11C), issued 2011-03-17. HPD violation 8855054
• Class B: Leak or water damage, closet on the north wall, 4th room from the north, 3rd floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN CLOSET AT NORTH WALL IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 11C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11C), issued 2011-03-17. HPD violation 8855055
• Class B: Missing or broken smoke / CO detector, 3rd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. LOCATED AT APT 11C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11C), issued 2011-03-16. HPD violation 8855053
• Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-05-07. HPD violation 18901981
• Class A: Damaged plaster or paint, closet on the north wall, 4th room from the north, 3rd floor. PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT CEILING IN CLOSET AT NORTH WALL IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 11C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11C), issued 2011-03-17. HPD violation 8855056
• Class A: Damaged plaster or paint, foyer, 3rd floor. PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT CEILING IN THE FOYER LOCATED AT APT 11C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 11C), issued 2011-03-17. HPD violation 8855052

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: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 0 infested units

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: SOUTH WILLIAMSBURG HDFC. Head officer: ISAAC BREUER. Managing agent: DEL-MAR MANAGEMENT SERVICES INC. This owner has 11 buildings on record, 4 graded D or F. See the full portfolio.

Last HPD registration Oct 2, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3021370044, HPD building ID 810070. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Marcy Av (M, J, Z), 8 min walk
• Hewes St (M, J), 13 min walk
• Bedford Av (L), 14 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.