526 11 Street, Brooklyn

A 2-unit two-family home on the Brooklyn record, built in 1879.

526 11 Street is a 2-unit building in Brooklyn, New York City (BBL 3010960023). This building is associated with O'sullivan, Francis P. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1879, this two-family home sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

Tenants have filed 1 HPD complaint about this building over the last five years, most often about safety.

What tenants have called the city about here over the last five years:

The most recent complaint on this building was filed February 2, 2026.

The building last changed hands on May 7, 2002 for $120,000, according to recorded deeds.

Brix rating: Clean (89/100). View the full report on Brix.

See every NYC building owned by O'sullivan, Francis P on the landlord portfolio page.

Part of Park Slope — see violations, complaints, and landlord activity across the whole neighborhood.

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