621 9th Avenue, Manhattan

    A 15-unit walk-up apartment building on the Manhattan record, built in 1910.

    621 9th Avenue is a 15-unit building in Manhattan, New York City (BBL 1010530036). This building is associated with Ninth Avenue Realty LLC. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1910, this walk-up apartment building sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

    Tenants have filed 4 HPD complaints about this building over the last five years, most often about unsanitary condition.

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

    The most recent complaint on this building was filed October 23, 2025.

    The building last changed hands on January 1, 2017, according to recorded deeds.

    Brix score: 77/100. View the Building Report on Brix.

    See every NYC building owned by Ninth Avenue Realty LLC on the landlord portfolio page.

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

    Other buildings in 10036:

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    Apartments at 621 9th Avenue

    • Unit 5B

      Unit 5B at 621 9th Avenue has no violations, 1 permit filed ($31K, latest 2018).

    • Unit 4A

      Unit 4A at 621 9th Avenue has no violations, 1 permit filed ($12K, latest 2009).

    • Unit 3C

      Unit 3C at 621 9th Avenue has no open violations (2 past violations), 1 permit filed ($16K, latest 2004).

    • Unit 5A

      Unit 5A at 621 9th Avenue has no open violations (1 past violation).

    • Unit 4B

      Unit 4B at 621 9th Avenue has no open violations (3 past violations).

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