City inspectors were last at this 4-unit walk-up apartment building on April 30, 2026, and the resulting violation remains open.
421 3rd Street is a 4-unit building in Brooklyn, New York City (BBL 3009750047). This building is associated with 421 Third St Housing Corp. Brix tracks 4 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.
Conditions cited on open violations at this address:
The building last changed hands on May 9, 2017 for $1,450,000, according to recorded deeds.
Brix score: 43/100. View the Building Report on Brix.
See every NYC building owned by 421 Third St Housing Corp on the landlord portfolio page.
Part of Park Slope — see violations, complaints, and landlord activity across the whole neighborhood.
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Unit 3 at 421 3rd Street has no violations, last sold in 2017 for $1.4M. Owner on the latest deed: Tomine, Adrian & Brennan, Sarah.
Unit 4 at 421 3rd Street has no violations, last sold in 2011 for $885K. Owner on the latest deed: Calcaterra, Elisabeth & Lee, Philip.
Unit #4 at 421 3rd Street has no violations, last sold in 2007 for $901K. Owner on the latest deed: Miller, Daniel & Adato, Leslie.
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