4671 Grosvenor Avenue, The Bronx
Single family · built 2024 · Block 5822, Lot 2730.
Building permits
- New Building — Residential, filed Dec 26, 2023, 1 unit, 3 stories, described as “New single family dwelling”
- Alteration, filed Nov 20, 2024, estimated cost $23K, described as “Installation of 5.265 kw solar energy system on roof. No change of occupancy, use or egress.”
Property taxes
- Assessment
- $138,360
- 2026–27 tax
- $23,544
- Market value (city estimate)
- $2,306,000
- Taxable value
- $127,013
- Assessed land
- $36,060
- Assessed improvements
- $102,300
Tax breaks
- Solar abatement, through Jun 30, 2030, a $1,659 credit this tax year.
Zoning
R1-2: floor area ratio 0.42 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 24, 2025: $3,003,838
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Fieldston Historic District (Historic District). 3 Landmarks Preservation Commission permits are on file.
Board and land use applications
- 4671 Grosvenor Ave (SNAD) (City Planning 2023X0143): Authorization, Completed, filed Aug 14, 2023, decided Apr 4, 2024. Zoning authorizations pursuant to 105-422, 105-425 and 105-431 to create a new single-family residence within the Special Natural Area District (NA-2) at property located at 4671 Grosvenor Ave in the Fieldston neighborhood of Community…