550 East 21st Street

550 East 21st Street in Flatbush, Brooklyn, has 49 open HPD violations, 31 of them class C, and 54 of 54 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (43/100).

Multi-family elevator · 54 units · Built 1952

StreetSpy grade: F (Severe, 43/100)

More open violations per unit than 8 in 10 Brooklyn buildings this size.

How the grade works

Housing code violations (HPD)

49 open violations: 31 class C (immediately hazardous), 16 class B, 2 class A. 17 issued in the last 12 months. 1063 on record. Oldest open violation issued 1998-08-11. Newest violation issued 2026-09-24.

19 closed in the last 90 days. Median 915 days from issue to close for the 31 violations closed in the last 12 months.

311 housing complaints

12 in the last 12 months, 190 in 5 years. Most common: Heat/Hot Water (5), Water Leak (3), Door/Window (2), Paint/Plaster (1), Unsanitary Condition (1).

Bedbugs

The owner reported 1 infested unit in the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

Buildings department (DOB)

No open DOB violations. 0 DOB violations on record. Check on DOB BIS.

Evictions and housing court

3 executed evictions in the last 3 years (6 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

54 of 54 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: 54 in 2024, 54 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 550 East 21 LLC. Head officer: Yida Stern. Managing agent: Yida Stern. This owner has 69 buildings on record, 58 graded D or F. See the full portfolio.

Last HPD registration Jul 17, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3051840031, HPD building ID 249577. HPD Online, ACRIS, DOB BIS.

Nearest subway

How the grade is calculated

FactorOn recordPoints
Open HPD violations49 open (31 class C, 16 class B, 2 class A)−35
311 housing complaints (12 mo)12−8
Bedbug reports (3 yr)1 infested unit−8
Executed evictions (3 yr)3−6
Housing litigationNo open cases0
Open DOB violationsNone0

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.