85 open HPD violations at this address, 23 of them class C — the immediately hazardous tier — on a 18-unit walk-up apartment building in Brooklyn.
637 Nostrand Avenue is a 18-unit building in Brooklyn, New York City (BBL 3012200001). This building is associated with Ota 701 St. Marks LLC. Brix tracks 85 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 Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 339 HPD complaints about this building over the last five years, most often about unsanitary condition.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed August 12, 2026.
Conditions cited on open violations at this address:
The building last changed hands on May 18, 2017 for $8,900,000, according to recorded deeds.
Brix score: 0/100. View the Building Report on Brix.
See every NYC building owned by Ota 701 St. Marks LLC on the landlord portfolio page.
Part of Bed-Stuy — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 1E at 637 Nostrand Avenue has 19 open violations.
Unit 2D at 637 Nostrand Avenue has 13 open violations.
Unit 1D at 637 Nostrand Avenue has 7 open violations, 1 permit filed ($39K, latest 2016).
Unit 4E at 637 Nostrand Avenue has 7 open violations.
Unit 4A at 637 Nostrand Avenue has 3 open violations.
Unit 2A at 637 Nostrand Avenue has 2 open violations.
Unit 5D at 637 Nostrand Avenue has 1 open violation.
Unit 5E at 637 Nostrand Avenue has 1 open violation.
Unit 4C at 637 Nostrand Avenue has 1 open violation.
Unit 2B at 637 Nostrand Avenue has no open violations (9 past violations), 1 permit filed ($47K, latest 2015).
Unit 3C at 637 Nostrand Avenue has no open violations (12 past violations).
Unit 3D at 637 Nostrand Avenue has no open violations (44 past violations).
Unit 2C at 637 Nostrand Avenue has no open violations (20 past violations).
Unit 2E at 637 Nostrand Avenue has no open violations (3 past violations).
Unit 2 at 637 Nostrand Avenue has no open violations (1 past violation).
Unit 1C at 637 Nostrand Avenue has no open violations (5 past violations).
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