A six-unit Red Hook building where summer water leaks and nearby commercial food and air quality calls highlight potential stack and ventilation friction.
A small six-unit Red Hook building dating back to 1931, sitting on Columbia Street with William Munks listed as head officer. Three things to know:
Water leak calls flared up in a quick burst over the summer. Three separate water leak reports logged between July 3 and August 21, 2026, alongside reports of heavy flow, mold, and broken plaster. The concentration over eight weeks points to a single unaddressed pipe or roof issue working its way through the line.
Commercial air and food establishment calls suggest potential riser or vent bleed. Within three blocks of the front door, four air quality and food establishment reports logged over the past year, alongside indoor air complaints. Commercial kitchen exhaust and vapor bleed can travel through shared risers or rear lightwells into apartments above.
Surrounding blocks carry active street and parking complaints. 82 illegal parking calls logged within three blocks over the past year, mostly centered on crosswalks, hydrants, and sidewalk blockages rather than stored cars.
Quieter signals on this building and the blocks around it:
421 Columbia Street is a 6-unit building in Brooklyn, New York City (BBL 3005340010). This building is associated with 421 Columbia Street Realty Corp. Brix does not yet have a current violation read for this property (not enough recent data), along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1931, this mixed-use building sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 19 HPD complaints about this building over the last five years, most often about plumbing.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed August 21, 2026.
The building last changed hands on August 26, 1998 for $120,000, according to recorded deeds.
Brix score: 20/100. View the Building Report on Brix.
See every NYC building owned by 421 Columbia Street Realty Corp on the landlord portfolio page.
Part of Carroll Gardens — see violations, complaints, and landlord activity across the whole neighborhood.
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