100 East 21st Street

100 East 21st Street in Flatbush, Brooklyn, has 31 open HPD violations, 7 of them class C, and 84 of 84 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (56/100).

Multi-family elevator · 84 units · Built 1941

StreetSpy grade: D (Poor, 56/100)

• 7 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 23 heat or hot water complaints to 311 in the last 12 months.
• 5 evictions carried out by marshals in the last 3 years.
• 84 of 84 units are rent-stabilized.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: Medium (31 open, 7 class C), records as of Oct 26, 2026
• Heat and hot water: 23 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)

31 open violations: 7 class C (immediately hazardous), 17 class B, 7 class A. 160 issued in the last 12 months. 713 on record. Oldest open violation issued 2006-11-20. Newest violation issued 2026-09-21.

19 closed in the last 90 days. Median 102 days from issue to close for the 216 violations closed in the last 12 months.

• Class C: Missing window guards, throughout the apartment, 3rd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 2, WG TO REPLACE = 0, WG TO REPAIR = 0 IN THE ENTIRE APARTMENT LOCATED AT APT 320, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH , SECTION ''SOUTH'' (apt 320), issued 2026-09-21. HPD violation 19229171
• 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 320, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH , SECTION ''SOUTH'' (apt 320), issued 2026-09-21. HPD violation 19229172
• Class C: Roaches, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 518, 5th STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 518), issued 2026-07-23. HPD violation 19087016
• Class C: Self-closing door not working, 5th floor. , 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 APARTMENT DOOR IN THE ENTRANCE LOCATED AT APT 502, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''NORTH'', 1st FROM WEST AT NORTH (apt 502), issued 2025-11-28. HPD violation 18468352
• Class C: Self-closing door not working, 5th floor. , 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 IN THE ENTRANCE LOCATED AT APT 502, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 502), issued 2025-08-26. HPD violation 18183393
• Class C: Fire escape defect, 1st room from the north, 5th floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF KEY OPERATED LOCK AT DOOR OF ROOM LEADING TO FIRE ESCAPE IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 502, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 502), issued 2025-07-30. HPD violation 18115311
• Class C: -CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAINTAINED BY OWNER (apt 615), issued 2006-11-20. HPD violation 6465270
• Class B: Damaged plaster or paint, foyer, 3rd floor. REPLACE WITH NEW THE MISSING STRICKER PLATE AT, ENTRANCE DOOR FRAME , SOUTH WALL, IN THE FOYER LOCATED AT APT 320, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH , SECTION ''SOUTH'' (apt 320), issued 2026-09-21. HPD violation 19229173

311 housing complaints

62 in the last 12 months, 222 in 5 years. Most common: Heat/Hot Water (23), Unsanitary Condition (14), Plumbing (9), Paint/Plaster (7), Water Leak (5).

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: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 2 infested, 2 treated, 0 re-infested

Buildings department (DOB)

No open DOB violations. 5 DOB violations on record. Check on DOB BIS.

Evictions and housing court

5 executed evictions in the last 3 years (7 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

84 of 84 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: 84 in 2024, 84 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 100 EAST 21 LLC. Head officer: MARK NEIMAN. Managing agent: MARK NEIMAN. This owner has 11 buildings on record, 6 graded D or F. See the full portfolio.

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

Tax lot and city IDs

BBL 3050810015, HPD building ID 248789. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Church Av (B, Q), 3 min walk
• Parkside Av (Q), 5 min walk
• Beverley Rd (Q), 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 2026-10-28.