349 Knickerbocker Avenue, Brooklyn

Four-unit Bushwick walk-up sits on a commercial Knickerbocker Avenue block dominated by outdoor noise and storefront venting.

A four-unit Bushwick walk-up built in 1931 along a dense stretch of Knickerbocker Avenue. The building's own record carries few operational filings, but street sound and commercial exhaust define the surrounding block. Three things to know:

Sidewalk gatherings and outdoor music sweep Knickerbocker Avenue. The building registered 13 street noise calls between June 2025 and March 2026, driven by loud parties outside. Within three blocks, street noise complaints hit 480 over the last year—412 of them specifically for loud music and outdoor gatherings along the avenue.

Ground-floor food venting and indoor air quality calls bleed up the block. Within three blocks, residents logged 15 food establishment calls and 9 indoor air quality reports over the last 12 months. Kitchen exhaust and street-level odor drift frequently travel through air shafts and lower-floor windows along this retail strip.

Quieter signals on this building and the blocks around it:

• 216 illegal parking complaints within three blocks last year, mostly bike-lane and hydrant blocks
• 103 encampment reports in the surrounding three-block radius over the last 12 months
• 47 drug activity calls logged within three blocks over the last year

349 Knickerbocker Avenue is a 4-unit building in Brooklyn, New York City (BBL 3032470004). This building is associated with Bonura, Frank J. Brix tracks 0 open HPD violations for this property, along with inspection history, DOB filings, tenant complaints, and rent stabilization status.

Built in 1931, this mixed-use building sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

The building last changed hands on March 27, 2007 for $1,150,000, according to recorded deeds.

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

See every NYC building owned by Bonura, Frank J on the landlord portfolio page.