City inspectors were last at this 122-unit elevator apartment building on June 30, 2026, and the resulting violation remains open.
621 Lefferts Avenue is a 122-unit building in Brooklyn, New York City (BBL 3013260045). This building is associated with M & M Crown Realty, LLC. Brix tracks 49 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1926, this elevator apartment building sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 608 HPD complaints about this building over the last five years, most often about heat/hot water.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed October 9, 2026.
Conditions cited on open violations at this address:
The building last changed hands on November 21, 2025, according to recorded deeds.
Brix score: 30/100. View the Building Report on Brix.
See every NYC building owned by M & M Crown Realty, LLC on the landlord portfolio page.
Part of East Flatbush — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit E9 at 621 Lefferts Avenue has 23 open violations.
Unit C12 at 621 Lefferts Avenue has 4 open violations.
Unit C10 at 621 Lefferts Avenue has 4 open violations.
Unit D7 at 621 Lefferts Avenue has 1 open violation.
Unit C16 at 621 Lefferts Avenue has 1 open violation.
Unit C5 at 621 Lefferts Avenue has 1 open violation.
Unit C6 at 621 Lefferts Avenue has 1 open violation.
Unit C8 at 621 Lefferts Avenue has 1 open violation.
Unit D15 at 621 Lefferts Avenue has 1 open violation.
Unit D4 at 621 Lefferts Avenue has 1 open violation.
Unit E2 at 621 Lefferts Avenue has 1 open violation.
Unit E8 at 621 Lefferts Avenue has 1 open violation.
Unit F15 at 621 Lefferts Avenue has 1 open violation.
Unit F18 at 621 Lefferts Avenue has 1 open violation.
Unit F20 at 621 Lefferts Avenue has 1 open violation.
Unit F22 at 621 Lefferts Avenue has 1 open violation.
Unit F5 at 621 Lefferts Avenue has 1 open violation.
Unit F7 at 621 Lefferts Avenue has 1 open violation.
Unit F9 at 621 Lefferts Avenue has 1 open violation.
Unit 37 at 621 Lefferts Avenue has no open violations (1 past violation).
Unit 14C at 621 Lefferts Avenue has no open violations (1 past violation).
Unit 12C at 621 Lefferts Avenue has no open violations (2 past violations).
Unit 6A at 621 Lefferts Avenue has no open violations (5 past violations).
Unit 3A at 621 Lefferts Avenue has no open violations (1 past violation).
Unit 3Y at 621 Lefferts Avenue has no open violations (1 past violation).
Unit 2E at 621 Lefferts Avenue has no open violations (2 past violations).
Unit A10 at 621 Lefferts Avenue has no open violations (4 past violations).
Unit A2 at 621 Lefferts Avenue has no open violations (1 past violation).
Unit A3 at 621 Lefferts Avenue has no open violations (12 past violations).
Unit A4 at 621 Lefferts Avenue has no open violations (37 past violations).
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