427 9th Street, Brooklyn

    City inspectors were last at this 4-unit walk-up apartment building on April 30, 2026, and the resulting violation remains open.

    427 9th Street is a 4-unit building in Brooklyn, New York City (BBL 3010060050). This building is associated with 427 Ninth Street Housing Corp. Brix tracks 5 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1920, 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 2 HPD complaints about this building over the last five years, most often about plumbing.

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

    The most recent complaint on this building was filed September 13, 2026.

    Conditions cited on open violations at this address:

    The building last changed hands on July 26, 2017 for $650,000, according to recorded deeds.

    Brix score: 46/100. View the Building Report on Brix.

    See every NYC building owned by 427 Ninth Street Housing Corp on the landlord portfolio page.

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

    Other buildings in 11215:

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    Apartments at 427 9th Street

    • Unit 2

      Unit 2 at 427 9th Street has no violations, last sold in 2017 for $650K.

    • Unit 3

      Unit 3 at 427 9th Street has no violations, last sold in 2014 for $490K.

    • Unit 1

      Unit 1 at 427 9th Street has no violations, last sold in 2005 for $472K.

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