840 Union Street, Brooklyn

City inspectors were last at this 4-unit walk-up apartment building on May 6, 2026, and the resulting violation remains open.

840 Union Street is a 4-unit building in Brooklyn, New York City (BBL 3010650016). This building is associated with 840 Union St Tennants CORP. Brix tracks 8 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1885, 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:

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW
§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PEN

The building last changed hands on August 8, 1997, according to recorded deeds.

Brix rating: Concerning (43/100). View the Building Report on Brix.

See every NYC building owned by 840 Union St Tennants CORP on the landlord portfolio page.

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

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