510 Ralph Avenue

510 Ralph Avenue in Crown Heights, Brooklyn, has 62 open HPD violations, 9 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 24, 2026. StreetSpy grade: F (44/100).

Multi-family walk-up · 6 units · Built 1924

StreetSpy grade: F (Severe, 44/100)

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

How the grade works

Housing code violations (HPD)

62 open violations: 9 class C (immediately hazardous), 44 class B, 9 class A. 1 issued in the last 12 months. 108 on record. Oldest open violation issued 2009-07-30. Newest violation issued 2026-05-05.

0 closed in the last 90 days. Median 581 days from issue to close for the 12 violations closed in the last 12 months.

9 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

311 housing complaints

1 in the last 12 months, 1 in 5 years. Most common: Heat/Hot Water (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.

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 4 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: CROWN HEIGHTS SEWWT PROPERTIES LLC. Head officer: MOHAMED MOAZEB. Managing agent: CROWN HEIGHTS SEWWT PROPERTIES LLC. This owner has 13 buildings on record, 12 graded D or F. See the full portfolio.

Last HPD registration Oct 29, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3013690051, HPD building ID 360135. HPD Online, ACRIS, DOB BIS.

Nearest subway

How the grade is calculated

FactorOn recordPoints
Open HPD violations62 open (9 class C, 44 class B, 9 class A). 9 rent-impairing−45
311 housing complaints (12 mo)1−8
Bedbug reports (3 yr)None reported0
Executed evictions (3 yr)None0
Housing litigationNo open cases0
Open DOB violations1 open DOB violation, a Local Law violation issued before 2000−3

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.