City inspectors were last at this 54-unit elevator apartment building on May 8, 2026, and the resulting violation remains open.
840 St Marks Avenue is a 54-unit building in Brooklyn, New York City (BBL 3012280037). This building is associated with The City Of New York, Acting By And Through Its De. Brix tracks 12 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1926, this elevator apartment building sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 32 HPD complaints about this building over the last five years, most often about heat/hot water.
The DOB has logged 1 permit filing on this building in the last 24 months.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed May 8, 2026.
Conditions cited on open violations at this address:
The building last changed hands on May 20, 2026 for $500,000, according to recorded deeds.
Brix score: 34/100. View the Building Report on Brix.
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Part of Crown Heights — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 1B at 840 St Marks Avenue has 7 open violations.
Unit 2C at 840 St Marks Avenue has 3 open violations.
Unit 6C at 840 St Marks Avenue has 1 open violation.
Unit 6H at 840 St Marks Avenue has 1 open violation, last sold in 2018 for $380K. Owner on the latest deed: Salisbury, Lucius & Barlow, Allegra.
Unit 2H at 840 St Marks Avenue has no violations, last sold in 2026 for $500K. Owner on the latest deed: Brown, Taniese.
Unit 3A at 840 St Marks Avenue has no violations, last sold in 2025 for $350K. Owner on the latest deed: Adamczak, Ewelina.
Unit 2F at 840 St Marks Avenue has no violations, last sold in 2024 for $360K. Owner on the latest deed: Welsh, Evan.
Unit 4B at 840 St Marks Avenue has no violations, last sold in 2022 for $325K. Owner on the latest deed: Queenie, Dominique.
Unit 4D at 840 St Marks Avenue has no violations, last sold in 2020 for $570K. Owner on the latest deed: Zuckerman, Max & Louie, Nicole.
Unit 3H at 840 St Marks Avenue has no violations, last sold in 2020 for $499K. Owner on the latest deed: Murakami, Kenta.
Unit 1C at 840 St Marks Avenue has no violations, last sold in 2018 for $178K. Owner on the latest deed: Waaijer, Marlen.
Unit 3D at 840 St Marks Avenue has no violations, last sold in 2017 for $665K. Owner on the latest deed: Jacobs, Jonathan & Mccullagh, Maeve.
Unit 1G at 840 St Marks Avenue has no open violations (5 past violations), last sold in 2016 for $305K. Owner on the latest deed: Nichols, Kathryn.
Unit 4H at 840 St Marks Avenue has no violations, last sold in 2012 for $105K. Owner on the latest deed: Alafia, Joshua.
Unit 5F at 840 St Marks Avenue has no violations, last sold in 2010 for $160K. Owner on the latest deed: Deleon, Juanita.
Unit 6D at 840 St Marks Avenue has no violations, last sold in 2009 for $200K. Owner on the latest deed: Giron, Edilberto.
Unit 2J at 840 St Marks Avenue has no violations, last sold in 2008 for $100K. Owner on the latest deed: Rubin, Vanessa & Gates, Yvonne.
Unit 5E at 840 St Marks Avenue has no violations, last sold in 2006 for $225K. Owner on the latest deed: Eversley, Dorothy.
Unit 6J at 840 St Marks Avenue has no open violations (29 past violations).
Unit 2B at 840 St Marks Avenue has no open violations (21 past violations).
Unit 1D at 840 St Marks Avenue has no open violations (2 past violations).
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