639 Union Street, Brooklyn

    City inspectors were last at this 8-unit walk-up apartment building on July 20, 2026, and the resulting violation remains open.

    639 Union Street is a 8-unit building in Brooklyn, New York City (BBL 3004340054). This building is associated with 639 Union Street, LLC. Brix tracks 7 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1931, 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 36 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 July 16, 2026.

    Conditions cited on open violations at this address:

    The building last changed hands on June 21, 2010 for $850,000, according to recorded deeds.

    Brix score: 7/100. View the Building Report on Brix.

    See every NYC building owned by 639 Union Street, LLC on the landlord portfolio page.

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

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    Apartments at 639 Union Street

    • Unit 1L

      Unit 1L at 639 Union Street has 4 open violations.

    • Unit 4R

      Unit 4R at 639 Union Street has no open violations (1 past violation).

    • Unit 3L

      Unit 3L at 639 Union Street has no open violations (23 past violations).

    • Unit 3R

      Unit 3R at 639 Union Street has no open violations (3 past violations).

    • Unit 2L

      Unit 2L at 639 Union Street has no open violations (20 past violations).

    • Unit 1R

      Unit 1R at 639 Union Street has no open violations (3 past violations).

    • Unit CELLA

      Unit CELLA at 639 Union Street has no open violations (1 past violation).

    • Unit MAIN

      Unit MAIN at 639 Union Street has no open violations (1 past violation).

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