511 Third Avenue, Manhattan

    Tenants here have called the city about heat/hot water 20 times over the last five years — the dominant complaint on this building's record.

    511 Third Avenue is a 229-unit building in Manhattan, New York City (BBL 1009150002). This building is associated with Third And Thirty Four LLC. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 2021, this elevator apartment building sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

    Tenants have filed 20 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 February 25, 2026.

    The building last changed hands on November 29, 2018 for $56,500,000, according to recorded deeds.

    Brix score: 81/100. View the Building Report on Brix.

    See every NYC building owned by Third And Thirty Four LLC on the landlord portfolio page.

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

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    Apartments at 511 Third Avenue

    • Unit 21A

      Unit 21A at 511 Third Avenue has no open violations (6 past violations).

    • Unit 4A

      Unit 4A at 511 Third Avenue has no open violations (7 past violations).

    • Unit 4C

      Unit 4C at 511 Third Avenue has no open violations (4 past violations).

    • Unit 2A

      Unit 2A at 511 Third Avenue has no open violations (2 past violations).

    • Unit 2B

      Unit 2B at 511 Third Avenue has no open violations (24 past violations).

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