3804 Neptune Avenue, Brooklyn

    Small four-unit Coney Island walk-up where surrounding blocks show indoor air quality reports alongside plumbing and street friction.

    A four-unit 1930 walk-up on Neptune Avenue in Coney Island, listed under officer Jeff Margolis. Direct building-level housing-code records do not have enough recent data, but surrounding blocks show active air quality, water, and curb friction. Three things to know:

    Surrounding blocks carry recurring indoor air quality calls Neighbors within three blocks logged 2 indoor air quality complaints over the last year, alongside an industrial waste call. Air quality and vapor issues often point to HVAC or riser bleed from neighboring spaces that tenants only discover after move-in.

    Block-level water and maintenance calls are consistent Within three blocks, 23 unsanitary condition calls came in over the last 12 months—mostly for mold, pests, and garbage storage. Another 20 plumbing calls covered sink, shower, and water supply issues across the same radius over the same period.

    Paper-plate vehicle staging along the surrounding strip The three blocks around the building logged 23 illegal parking complaints over the last 12 months, with 15 specifically citing paper license plates—short-errand and temporary staging along the curb rather than long-term stored cars.

    Quieter signals on this building and the blocks around it:

    3804 Neptune Avenue is a 4-unit building in Brooklyn, New York City (BBL 3070020034). 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 1930, this walk-up apartment building sits in Brooklyn and is tracked by Brix using public NYC records from HPD, DOB, ACRIS, and 311.

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

    Part of Coney Island — see violations, complaints, and landlord activity across the whole neighborhood.

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