2900 Mermaid Avenue, Brooklyn
Vacant land · Block 7064, Lot 4.
Building permits
- New Building — Multi-Family, filed Jan 26, 2023, 13 units, 6 stories, described as “Herewith file new building 6 story with cellar, commercial and thirteen (13) dwelling unit building”
- Alteration, filed Aug 27, 2025, estimated cost $6K, described as “Proposed temporary construction fence along property line.”
Property taxes
- Assessment
- $215,100
- 2026–27 tax
- $15,670
- Market value (city estimate)
- $478,000
- Taxable value
- $144,450
- Assessed land
- $215,100
Zoning
R7X: floor area ratio 0.00 built, 5.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NGVD29). FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 11 ft (NAVD88).
Recent sales
- Apr 11, 2018: $592,393, Apt 6
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Coney Island Business Improvement District (City Planning 2026K0149): Business improvement district, Completed, filed Aug 25, 2025. An application by NYC Small Business Services (SBS) for the proposed establishment of Coney Island Business Improvement District along Surf Avenue generally bound by West 5th Street to West 23rd Street, Mermaid Avenue generally bound by…
In the news
Permits Filed for 2900 Stillwell Avenue in Coney Island, Brooklyn, New York YIMBY, Feb 1, 2023.