91 East 21st Street

91 East 21st Street in Flatbush, Brooklyn, has 187 open HPD violations, 43 of them class C, and 16 of 16 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (35/100).

Multi-family walk-up · 16 units · Built 1916

StreetSpy grade: F (Severe, 35/100)

• 43 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 20 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 9 heat or hot water complaints to 311 in the last 12 months.
• 16 of 16 units are rent-stabilized.

More open violations per unit than 9 in 10 Brooklyn buildings this size.

• Repairs: High (187 open, 43 class C), records as of Oct 25, 2026
• Heat and hot water: 9 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
• Safety: Clear (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)

187 open violations: 43 class C (immediately hazardous), 115 class B, 29 class A. 205 issued in the last 12 months. 976 on record. Oldest open violation issued 2022-10-26. Newest violation issued 2026-10-23.

23 closed in the last 90 days. Median 120 days from issue to close for the 44 violations closed in the last 12 months.

20 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: Mold, ceiling, bathroom, 1st floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... MORE THAN 30 SQUARE FEET OBSERVED AT CEILING IN THE BATHROOM LOCATED AT APT 1C, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 1C), issued 2026-10-01. HPD violation 19257258
• Class C: Roaches, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1C, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST (apt 1C), issued 2026-10-01. HPD violation 19257263
• Class C: Rats (hallway). 567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT RATS AT BUILDING 'S FRONT YARD, issued 2026-09-21. HPD violation 19229284
• Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY (apt 3B), issued 2026-09-08. HPD violation 19188145
• Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY (apt 3B), issued 2026-09-08. HPD violation 19188147
• Class C: Roaches, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1B, 1st STORY, 1st APARTMENT FROM NORTH AT EAST (apt 1B), issued 2026-09-04. HPD violation 19184778
• Class C: Self-closing door not working. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BULKHEAD DOOR , 4th STORY, issued 2026-09-04. HPD violation 19184784
• Class C: Rats (hallway). 567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT AT FRONT YARD, issued 2026-09-02. HPD violation 19187606

311 housing complaints

44 in the last 12 months, 135 in 5 years. Most common: Water Leak (17), Heat/Hot Water (9), Unsanitary Condition (9), Plumbing (7), Door/Window (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: Owner reported 0 infested units
• 2025: No bedbug filing on record for this year
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: No bedbug filing on record for this year
• 2021: Owner reported 0 infested units

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 2 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

16 of 16 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: 16 in 2024, 16 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 91 E21 BH LLC. Head officer: STEVEN KASHANIAN. Managing agent: JONATHAN ISMAILI. This owner has 73 buildings on record, 39 graded D or F. See the full portfolio.

Last HPD registration Jul 30, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3050820091, HPD building ID 249672. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Church Av (B, Q), 4 min walk
• Parkside Av (Q), 5 min walk
• Church Av (2, 5), 11 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 2026-10-27.