370 Union Street, Brooklyn

Tenants here have called the city about heat/hot water 36 times over the last five years — the dominant complaint on this building's record.

370 Union Street is a 16-unit building in Brooklyn, New York City (BBL 3004367501). This building is associated with 370 Union St Condominium. 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 condominium sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

Tenants have filed 36 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 February 13, 2026.

The building last changed hands on December 13, 2002 for $38,677.85, according to recorded deeds.

Brix rating: Take a closer look (72/100). View the full report on Brix.

See every NYC building owned by 370 Union St Condominium on the landlord portfolio page.

Part of Carroll Gardens — see violations, complaints, and landlord activity across the whole neighborhood.

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