A 10-unit walk-up apartment building on the Brooklyn record, built in 1910.
337 Union Avenue is a 10-unit building in Brooklyn, New York City (BBL 3024000012). This building is associated with Polish & Slavic Fcu. Brix tracks 0 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 4 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 May 14, 2026.
The building last changed hands on January 29, 2019 for $1,250,000, according to recorded deeds.
Brix score: 83/100. View the Building Report on Brix.
See every NYC building owned by Polish & Slavic Fcu on the landlord portfolio page.
Part of Williamsburg — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 5L at 337 Union Avenue has no open violations (2 past violations).
Unit 4R at 337 Union Avenue has no open violations (1 past violation).
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