40 open violations and 155 heat complaints across just 8 apartments.
In an 8-unit building, carrying 40 open housing code violations means an average of 5 active issues per apartment. 19 of those open items are Class C, the immediately hazardous tier covering mice infestations, missing fire-rated entrance doors, and broken plaster. Four things to know:
Heat calls are heavy, and inspectors were locked out of the boiler room. 155 heat and hot water complaints have been logged against this 8-unit address. On top of the calls, city inspectors issued Class C violations after twice being locked out of the heating system access doors in the basement and first-floor hall during winter inspections.
Air quality and vapor calls nearby point to potential riser bleed. 7 indoor air quality complaints have been logged within three blocks over the last year, most recently in August 2026, alongside 1 building-scoped air quality call. Chemical vapors or odor issues that show up in nearby filings often travel through shared risers or floor joints before tenants spot them inside.
Active hazardous citations span multiple units right now. A May 2026 inspection of Apartment 2R triggered open Class C violations for a building-wide mice infestation alongside missing smoke and carbon monoxide detectors. A separate March visit logged broken plaster, damaged bathtubs, and rotted wood cabinets in Apartments 2L, 3L, and 3R.
Late-night noise and curb blocking concentrate on the surrounding block. 100 residential noise calls logged within three blocks over the last 12 months, predominantly for party music and loud pounding. 96 double-parking and blocked-hydrant calls concentrate nearby on street curbs.
Quieter signals on this building and the blocks around it:
764 Jefferson Avenue is a 8-unit building in Brooklyn, New York City (BBL 3016580009). This building is associated with Jeferson Apts NY LLC. Brix tracks 36 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.
Tenants have filed 285 HPD complaints about this building over the last five years, most often about heat/hot water.
What tenants have called the city about here over the last five years:
The most recent complaint on this building was filed August 3, 2026.
Conditions cited on open violations at this address:
The building last changed hands on September 9, 2019, according to recorded deeds.
Brix rating: Concerning (7/100). View the Building Report on Brix.
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