9 St Marks Avenue, Brooklyn

    Tenants here have called the city about paint/plaster 18 times over the last five years — the dominant complaint on this building's record.

    9 St Marks Avenue is a 8-unit building in Brooklyn, New York City (BBL 3009330073). This building is associated with 9 St Marks Avenue LLC. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1889, 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 18 HPD complaints about this building over the last five years, most often about paint/plaster.

    What tenants have called the city about here over the last five years:

    The most recent complaint on this building was filed May 27, 2026.

    The building last changed hands on February 6, 2026, according to recorded deeds.

    Brix score: 70/100. View the Building Report on Brix.

    See every NYC building owned by 9 St Marks Avenue 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 9 St Marks Avenue

    • Unit 4L

      Unit 4L at 9 St Marks Avenue has no open violations (6 past violations), 1 permit filed ($125K, latest 2006).

    • Unit 3L

      Unit 3L at 9 St Marks Avenue has no violations, 1 permit filed ($125K, latest 2006).

    • Unit 2L

      Unit 2L at 9 St Marks Avenue has no violations, 1 permit filed ($125K, latest 2006).

    • Unit 2R

      Unit 2R at 9 St Marks Avenue has no open violations (2 past violations), 1 permit filed ($125K, latest 2006).

    • Unit 1L

      Unit 1L at 9 St Marks Avenue has no open violations (1 past violation), 1 permit filed ($125K, latest 2006).

    • Unit 4R

      Unit 4R at 9 St Marks Avenue has no open violations (21 past violations).

    • Unit 1REAR

      Unit 1REAR at 9 St Marks Avenue has no open violations (7 past violations).

    • Unit 1-R

      Unit 1-R at 9 St Marks Avenue has no open violations (41 past violations).

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