3623 15th Avenue, Brooklyn

    95 open HPD violations at this address, 26 of them class C — the immediately hazardous tier — on a 6-unit walk-up apartment building in Brooklyn.

    3623 15th Avenue is a 6-unit building in Brooklyn, New York City (BBL 3053680001). This building is associated with 3623 Realty NY LLC. Brix tracks 95 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1930, this walk-up apartment building sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

    Tenants have filed 193 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 January 29, 2026.

    Conditions cited on open violations at this address:

    The building last changed hands on July 23, 2020, according to recorded deeds.

    Brix score: 27/100. View the Building Report on Brix.

    See every NYC building owned by 3623 Realty NY LLC on the landlord portfolio page.

    Part of Kensington — see violations, complaints, and landlord activity across the whole neighborhood.

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    Apartments at 3623 15th Avenue

    • Unit 1

      Unit 1 at 3623 15th Avenue has 48 open violations.

    • Unit 2

      Unit 2 at 3623 15th Avenue has 18 open violations.

    • Unit 5

      Unit 5 at 3623 15th Avenue has 7 open violations.

    • Unit 3

      Unit 3 at 3623 15th Avenue has 2 open violations.

    • Unit 4

      Unit 4 at 3623 15th Avenue has 2 open violations.

    • Unit 6

      Unit 6 at 3623 15th Avenue has 1 open violation.

    • Unit 1E

      Unit 1E at 3623 15th Avenue has no open violations (1 past violation).

    • Unit 1R

      Unit 1R at 3623 15th Avenue has no open violations (1 past violation).

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