A 1915 two-family house where commercial exhaust and unpermitted block work dominate the local record.
A two-family brick house built in 1915 on 18th Avenue in Borough Park. While the building's own operational record is light, the surrounding block carries active street commercial activity, unpermitted construction, and food establishment venting signals. Three things to know:
Nearby food establishment exhaust creates potential air quality and odor bleed. Within three blocks, neighbors logged 3 food establishment calls alongside 3 air quality reports over 12 months. Kitchen exhaust odors and restaurant venting drift can bleed into residential units along commercial avenues, making layout and vent placement critical.
Parking rules and driveway access stay tightly contested along the block. Within three blocks, residents logged 240 illegal parking complaints—primarily posted sign violations and blocked hydrants—plus 71 blocked driveway calls over the last year. Double-parking and curb competition are regular fixtures on this stretch.
Unsanctioned alteration work is actively reported on neighboring parcels. The surrounding three blocks recorded 146 construction calls in the last 12 months, led by 75 complaints for work without a building permit. Unapproved structural alterations and plan deviations remain active on neighboring sites.
Quieter signals on this building and the blocks around it:
4131 18th Avenue is a two-family home in Brooklyn, New York City (BBL 3054160022). This building is associated with Sianov, Lena. Brix does not yet have a current violation read for this property (not enough recent data), along with inspection history, DOB filings, tenant complaints, and rent stabilization status.
Built in 1915, this two-family home sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.
Tenants have filed 2 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:
The most recent complaint on this building was filed September 18, 2025.
Brix score: 100/100. View the Building Report on Brix.
See every NYC building owned by Sianov, Lena on the landlord portfolio page.
Part of Kensington — see violations, complaints, and landlord activity across the whole neighborhood.
Other buildings in 11218:
Browse every NYC neighborhood or the landlord directory on Brix.
Own or manage this building? Monitor it or correct the record.