# 4671 Grosvenor Avenue, The Bronx

Single family · built 2024 · Block 5822, Lot 2730.

On Umarelli: https://umarelli.org/nyc/2058222730/4671-grosvenor-avenue

## 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.

## Recent sales

- Jul 24, 2025: $3,003,838

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## 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…

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology