640 Ditmas Avenue, Brooklyn

    100 open HPD violations at this address, 15 of them class C — the immediately hazardous tier — on a 39-unit condominium in Brooklyn.

    640 Ditmas Avenue is a 39-unit building in Brooklyn, New York City (BBL 3054007502). This building is associated with The Commodore Condominium. Brix tracks 100 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

    Built in 1920, this condominium sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

    Tenants have filed 146 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 29, 2026.

    Conditions cited on open violations at this address:

    The building last changed hands on June 10, 2026 for $415,500, according to recorded deeds.

    Brix score: 5/100. View the Building Report on Brix.

    See every NYC building owned by The Commodore Condominium on the landlord portfolio page.

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

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    Apartments at 640 Ditmas Avenue

    • Unit 4

      Unit 4 at 640 Ditmas Avenue has 27 open violations.

    • Unit 21

      Unit 21 at 640 Ditmas Avenue has 15 open violations.

    • Unit 35

      Unit 35 at 640 Ditmas Avenue has 15 open violations.

    • Unit 15

      Unit 15 at 640 Ditmas Avenue has 14 open violations.

    • Unit 8

      Unit 8 at 640 Ditmas Avenue has 5 open violations.

    • Unit 19

      Unit 19 at 640 Ditmas Avenue has 4 open violations, last sold in 2011 for $238K. Owner on the latest deed: Gu, Ada & Cheng, Szehin.

    • Unit 31

      Unit 31 at 640 Ditmas Avenue has 3 open violations.

    • Unit 16

      Unit 16 at 640 Ditmas Avenue has no violations, last sold in 2026 for $416K. Owner on the latest deed: Patt Biddle, Grace.

    • Unit 14

      Unit 14 at 640 Ditmas Avenue has no violations, last sold in 2025 for $600K. Owner on the latest deed: Gregory, Ann & Gregory, Cordelia.

    • Unit 38

      Unit 38 at 640 Ditmas Avenue has no open violations (16 past violations), last sold in 2025 for $650K. Owner on the latest deed: Federico, Anthony & Summers, Ryann.

    • Unit 23

      Unit 23 at 640 Ditmas Avenue has no open violations (1 past violation), last sold in 2024 for $596K. Owner on the latest deed: Manaligod, James & Manaligod, Maya +1 more.

    • Unit 2

      Unit 2 at 640 Ditmas Avenue has no violations, last sold in 2024 for $475K. Owner on the latest deed: Huang, Ruoran.

    • Unit 33

      Unit 33 at 640 Ditmas Avenue has no violations, last sold in 2024 for $625K. Owner on the latest deed: Ran, Xinan.

    • Unit 39

      Unit 39 at 640 Ditmas Avenue has no violations, last sold in 2024 for $432K. Owner on the latest deed: Gross, Takelu & Gross, Guenther.

    • Unit 10

      Unit 10 at 640 Ditmas Avenue has no violations, last sold in 2024 for $675K. Owner on the latest deed: Robert J. Parker As Trustee & Robert J. Parker Trust.

    • Unit 29

      Unit 29 at 640 Ditmas Avenue has no open violations (1 past violation), last sold in 2024 for $421K. Owner on the latest deed: Jackson, Andrew.

    • Unit 32

      Unit 32 at 640 Ditmas Avenue has no open violations (8 past violations), last sold in 2024 for $401K. Owner on the latest deed: Tan, XI & Wu, Xiaoxia +1 more.

    • Unit 11

      Unit 11 at 640 Ditmas Avenue has no violations, last sold in 2024 for $416K. Owner on the latest deed: Russin, Robert & Russin, James.

    • Unit 27

      Unit 27 at 640 Ditmas Avenue has no open violations (3 past violations), last sold in 2024 for $410K. Owner on the latest deed: Wong, Patrick.

    • Unit 1

      Unit 1 at 640 Ditmas Avenue has no open violations (1 past violation), last sold in 2023 for $484K. Owner on the latest deed: Five Forks Land Company.

    • Unit 17

      Unit 17 at 640 Ditmas Avenue has no violations, last sold in 2023 for $481K. Owner on the latest deed: Macdonald, Sean.

    • Unit 3

      Unit 3 at 640 Ditmas Avenue has no violations, last sold in 2023 for $450K. Owner on the latest deed: Scarpelli-Dwyer, Judy.

    • Unit 12A

      Unit 12A at 640 Ditmas Avenue has no violations, last sold in 2022 for $455K. Owner on the latest deed: Crow Caw LLC.

    • Unit 24

      Unit 24 at 640 Ditmas Avenue has no violations, last sold in 2011 for $164K. Owner on the latest deed: Chin, Shehan.

    • Unit 28

      Unit 28 at 640 Ditmas Avenue has no violations, last sold in 2018 for $430K. Owner on the latest deed: Begum, Momtaj.

    • Unit 7

      Unit 7 at 640 Ditmas Avenue has no violations, last sold in 2016 for $201K. Owner on the latest deed: Wen, John.

    • Unit 30

      Unit 30 at 640 Ditmas Avenue has no violations, last sold in 2016 for $228K. Owner on the latest deed: Star 30 Inc..

    • Unit 36

      Unit 36 at 640 Ditmas Avenue has no violations, last sold in 2013 for $255K. Owner on the latest deed: Johnson, Andrea.

    • Unit 5

      Unit 5 at 640 Ditmas Avenue has no violations, last sold in 2012 for $121K. Owner on the latest deed: Yu, Yan.

    • Unit 37

      Unit 37 at 640 Ditmas Avenue has no open violations (21 past violations).

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