A 3-unit walk-up apartment building on the Brooklyn record, built in 1910.
340 15th Street is a 3-unit building in Brooklyn, New York City (BBL 3010490037). This building is associated with George O'connor, Trustee As To A One-thi Rd Int.. 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.
The building last changed hands on March 6, 2026, according to recorded deeds.
Brix rating: Clean (100/100). View the Building Report on Brix.
See every NYC building owned by George O'connor, Trustee As To A One-thi Rd Int. on the landlord portfolio page.
Part of Park Slope — see violations, complaints, and landlord activity across the whole neighborhood.
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