243 East 71 Street, Manhattan

A six-unit Upper East Side walk-up held by the same family since 1971.

The building has been managed with deep continuity, transitioning from individual family members to a family-run entity in December 2012. Bryant Urstadt remains the head officer today. Three things to know:

Fifty-five years of family ownership has kept management stable. The Urstadts acquired the building in April 1971. In December 2012, they transferred the deed to a family-run entity, keeping Bryant Urstadt as the registered head officer. Today, the building carries zero open housing-code violations, a direct byproduct of this hands-on, multi-generational continuity.

Neighbors frequently flag venting and food odors on the surrounding blocks. There were 26 food establishment complaints within three blocks over the last year, with the most recent filed on July 29, 2026. These types of calls often point to commercial kitchen exhausts or riser bleed that leaks into residential units, especially on lower floors.

Off-hours construction and heavy equipment rattle the immediate blocks. While the building itself is mostly out of the files, the local streetscape is highly active. The area saw 110 noise complaints within three blocks over the last year, heavily driven by 44 after-hours construction complaints and 28 calls about heavy construction equipment.

Quieter signals on this building and the blocks around it:

• 221 illegal-parking complaints within three blocks over the last year, led by 68 blocked hydrants
• 37 encampment complaints and 53 panhandling calls within three blocks over the past year
• Two sidewalk complaints from June 2026 were closed within two weeks of filing
• What it is: a six-unit building with a half-century of family history. The building's own operational record carries zero open violations, leaving street-level block activity as the main thing to weigh.

243 East 71 Street is a 6-unit building in Manhattan, New York City (BBL 1014260016). This building is associated with 24three, LLC. Brix tracks 0 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 Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

The building last changed hands on December 12, 2012, according to recorded deeds.

Brix rating: Clean (100/100). View the full report on Brix.

See every NYC building owned by 24three, LLC on the landlord portfolio page.