645 East 231st Street, Bronx

56 open HPD violations at this address, 40 of them class C — the immediately hazardous tier — on a 72-unit elevator apartment building in Bronx.

645 East 231st Street is a 72-unit building in Bronx, New York City (BBL 2048340033). This building is associated with Sima Associates. Brix tracks 56 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1941, this elevator apartment building sits in Bronx and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

Tenants have filed 869 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: 821 complaints
• Unsanitary Condition: 20 complaints
• Paint/plaster: 9 complaints
• Plumbing: 5 complaints

The most recent complaint on this building was filed July 2, 2026.

Conditions cited on open violations at this address:

• HMC ADM CODE: § 27-2017
• § 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM SOUTH AT WEST ,
• § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION
• § 27-2017

The building last changed hands on December 4, 2013 for $6,600,000, according to recorded deeds.

Brix rating: Concerning (17/100). View the Building Report on Brix.

See every NYC building owned by Sima Associates on the landlord portfolio page.