346 Jefferson Avenue, Brooklyn

103 open HPD violations at this address, 13 of them class C — the immediately hazardous tier — on a 10-unit walk-up apartment building in Brooklyn.

346 Jefferson Avenue is a 10-unit building in Brooklyn, New York City (BBL 3018350007). This building is associated with The City Of New York. Brix tracks 103 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1931, 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 281 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:

• Heat/hot Water: 98 complaints
• Plumbing: 35 complaints
• Safety: 29 complaints
• Unsanitary Condition: 28 complaints

The most recent complaint on this building was filed August 31, 2026.

Conditions cited on open violations at this address:

• § 27-2017
• § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE KITCHEN LOCATED AT APT 3C, 3rd STORY, 1st APART
• § 27-2026 ADM CODE RESET, SO AS TO SECURE A PROPER AND TIGHT CONNECTION, THE WATER CLOSET BOWL IN THE BATHROOM LOCATED AT APT 4A, 4th STORY, 1st APARTMENT FROM
• § 27-2026 ADM CODE REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET IN THE BATHROOM LOCATED AT APT 4A, 4th STORY, 1st

The building last changed hands on December 19, 2025, according to recorded deeds.

Brix score: 4/100. View the Building Report on Brix.

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