401 East 21st Street, Brooklyn

    City inspectors were last at this 20-unit walk-up apartment building on August 25, 2026, and the resulting violation remains open.

    401 East 21st Street is a 20-unit building in Brooklyn, New York City (BBL 3051520028). This building is associated with Hersko, Morris. Brix tracks 24 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1918, 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 108 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 August 5, 2026.

    Conditions cited on open violations at this address:

    The building last changed hands on September 13, 1993 for $175,000, according to recorded deeds.

    Brix score: 13/100. View the Building Report on Brix.

    See every NYC building owned by Hersko, Morris on the landlord portfolio page.

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

    Other buildings in 11226:

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    Apartments at 401 East 21st Street

    • Unit B5

      Unit B5 at 401 East 21st Street has 8 open violations.

    • Unit A2

      Unit A2 at 401 East 21st Street has 4 open violations.

    • Unit A5

      Unit A5 at 401 East 21st Street has 4 open violations.

    • Unit C3

      Unit C3 at 401 East 21st Street has 2 open violations, 2 permits filed ($6K, latest 2008).

    • Unit 1D

      Unit 1D at 401 East 21st Street has 1 open violation.

    • Unit B4

      Unit B4 at 401 East 21st Street has 1 open violation.

    • Unit 5A

      Unit 5A at 401 East 21st Street has no open violations (11 past violations).

    • Unit 4B

      Unit 4B at 401 East 21st Street has no open violations (1 past violation).

    • Unit 4C

      Unit 4C at 401 East 21st Street has no open violations (6 past violations).

    • Unit 4D

      Unit 4D at 401 East 21st Street has no open violations (7 past violations).

    • Unit 3C

      Unit 3C at 401 East 21st Street has no open violations (13 past violations).

    • Unit 3D

      Unit 3D at 401 East 21st Street has no open violations (3 past violations).

    • Unit 2A

      Unit 2A at 401 East 21st Street has no open violations (5 past violations).

    • Unit 2B

      Unit 2B at 401 East 21st Street has no open violations (13 past violations).

    • Unit 2C

      Unit 2C at 401 East 21st Street has no open violations (5 past violations).

    • Unit 2D

      Unit 2D at 401 East 21st Street has no open violations (1 past violation).

    • Unit 1A

      Unit 1A at 401 East 21st Street has no open violations (2 past violations).

    • Unit A1

      Unit A1 at 401 East 21st Street has no open violations (5 past violations).

    • Unit A3

      Unit A3 at 401 East 21st Street has no open violations (11 past violations).

    • Unit A4

      Unit A4 at 401 East 21st Street has no open violations (1 past violation).

    • Unit B1

      Unit B1 at 401 East 21st Street has no open violations (17 past violations).

    • Unit B2

      Unit B2 at 401 East 21st Street has no open violations (2 past violations).

    • Unit B3

      Unit B3 at 401 East 21st Street has no open violations (7 past violations).

    • Unit C1

      Unit C1 at 401 East 21st Street has no open violations (55 past violations).

    • Unit C2

      Unit C2 at 401 East 21st Street has no open violations (4 past violations).

    • Unit C4

      Unit C4 at 401 East 21st Street has no open violations (2 past violations).

    • Unit C5

      Unit C5 at 401 East 21st Street has no open violations (5 past violations).

    • Unit D1

      Unit D1 at 401 East 21st Street has no open violations (83 past violations).

    • Unit D2

      Unit D2 at 401 East 21st Street has no open violations (2 past violations).

    • Unit D3

      Unit D3 at 401 East 21st Street has no open violations (36 past violations).

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