A 8-unit walk-up apartment building on the Brooklyn record, built in 1931.
633 Union Street is a 8-unit building in Brooklyn, New York City (BBL 3004340056). This building is associated with Adda 633 Union St LLC. Brix tracks 2 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1931, 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 2 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 February 19, 2026.
Conditions cited on open violations at this address:
The building last changed hands on October 1, 2022 for $300,000, according to recorded deeds.
Brix score: 40/100. View the Building Report on Brix.
See every NYC building owned by Adda 633 Union St LLC on the landlord portfolio page.
Part of Park Slope — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 2R at 633 Union Street has 2 open violations.
Unit 1L at 633 Union Street has no open violations (5 past violations), 1 permit filed ($2K, latest 2001).
Unit 4L at 633 Union Street has no open violations (8 past violations).
Unit 4R at 633 Union Street has no open violations (5 past violations).
Unit 3L at 633 Union Street has no open violations (7 past violations).
Unit 2L at 633 Union Street has no open violations (4 past violations).
Unit 1R at 633 Union Street has no open violations (18 past violations).
Unit BATHROOM at 633 Union Street has no open violations (1 past violation).
Unit KITCHEN at 633 Union Street has no open violations (1 past violation).
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