A 8-unit walk-up apartment building on the Brooklyn record, built in 1920.
721 Union Street is a 8-unit building in Brooklyn, New York City (BBL 3009520046). This building is associated with Ameno, Elisabetta. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1920, 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 4 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 September 16, 2026.
The building last changed hands on July 6, 2007 for $300,000, according to recorded deeds.
Brix score: 89/100. View the Building Report on Brix.
See every NYC building owned by Ameno, Elisabetta on the landlord portfolio page.
Part of Park Slope — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 4L at 721 Union Street has no open violations (9 past violations).
Unit 4R at 721 Union Street has no open violations (8 past violations).
Unit 3L at 721 Union Street has no open violations (1 past violation).
Unit 2R at 721 Union Street has no open violations (1 past violation).
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