4240 Byron Avenue, Bronx

66 open HPD violations at this address, 16 of them class C — the immediately hazardous tier — on a 7-unit walk-up apartment building in Bronx.

4240 Byron Avenue is a 7-unit building in Bronx, New York City (BBL 2049980024). This building is associated with Thomas, Millicent. Brix tracks 66 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1928, this walk-up apartment building sits in Bronx and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

Tenants have filed 47 HPD complaints about this building over the last five years, most often about door/window.

What tenants have called the city about here over the last five years:

• Door/window: 12 complaints
• Paint/plaster: 7 complaints
• Water Leak: 6 complaints
• Unsanitary Condition: 6 complaints

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

Conditions cited on open violations at this address:

• §27-2045(B)(5) HMC, § 12-06, 12-10 RCNY POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY COMMISSIONER, IN A COMMON A
• § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE SPLINTERING AND LIFTING WOOD FLOOR IN THE KITCHEN LOCATED AT APT 1B, 1st STORY,
• § 26-1103 ADMIN
• §27-2045(B)(5) HMC, § 12-01 RCNY POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAILBOX THAT MISSIN

The building last changed hands on September 15, 1993 for $54,135.61, according to recorded deeds.

Brix score: 0/100. View the Building Report on Brix.

See every NYC building owned by Thomas, Millicent on the landlord portfolio page.