121 West 136th Street, Manhattan

A 1910 Central Harlem rowhouse with a sparse direct file sitting on a block dominated by street noise and curb pressure.

A two-family rowhouse built in 1910 where the building's direct operational filings are nearly nonexistent, but street activity and surrounding block conditions shape the living environment. The primary underwriting question is how exterior noise, air quality, and street activity land inside the units. Three things to know:

Sidewalk gatherings and street music drive high noise counts nearby. Within three blocks of the house, 468 street noise calls were logged in the last 12 months, far exceeding citywide norms. The activity is split between loud talking (302 calls) and street music or parties (166 calls), making outdoor sound the dominant lived-experience factor.

Surrounding indoor air quality reports suggest potential air-bleed patterns. The three-block radius logged 12 indoor air quality calls over the trailing year, with the last call recorded on July 21, 2026. Airborne odors and fumes can travel through shared shafts or street-facing windows, making riser and floor alignment essential to check.

Commercial parking and double-parking put consistent pressure on local curbs. There were 198 illegal parking complaints within three blocks over the last year. The calls break down mostly into posted sign violations (78 calls) and overnight commercial parking (37 calls), alongside 31 instances of double-parked vehicles blocking traffic or cars.

Quieter signals on this building and the blocks around it:

• Surrounding blocks logged 197 unsanitary condition calls over the last year, mostly pests (116) and mold (57).
• There were 58 encampment reports within three blocks over the trailing 12 months.
• Direct building filings are limited to a cracked tree branch in March 2026 and illegal dumping in late 2025.

121 West 136th Street is a two-family home in Manhattan, New York City (BBL 1019210022). This building is associated with Chai 888, Inc. 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 two-family home sits in Manhattan and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

The building last changed hands on January 3, 2025 for $1,400,000, according to recorded deeds.

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

See every NYC building owned by Chai 888, Inc on the landlord portfolio page.