343 East 78th Street, Manhattan

    A 12-unit walk-up cooperative owned in perpetuity by its shareholders — no single landlord to change hands.

    343 East 78th Street is a 12-unit building in Manhattan, New York City (BBL 1014530017). This building is associated with Co-op Corporation. 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.

    The building last changed hands on June 23, 2025 for $535,000, according to recorded deeds.

    Brix rating: Clean (90/100). View the Building Report on Brix.

    See every NYC building owned by Co-op Corporation on the landlord portfolio page.

    Part of Upper East Side — see violations, complaints, and landlord activity across the whole neighborhood.

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