# 3870 Sedgwick Avenue, The Bronx

Apartment building · 42 units · built 2025 · Block 3246, Lot 73.

On Umarelli: https://umarelli.org/nyc/2032460073/3870-sedgwick-avenue

More construction in Kingsbridge and Jerome Park: https://umarelli.org/nyc/bronx/kingsbridge-and-jerome-park.md

## Building permits

- New Building — Multi-Family, filed Aug 8, 2024, 42 units, 8 stories, described as “New 8-story residential building”
- Alteration, filed Sep 25, 2025, estimated cost $31K, described as “Installation of 4.05 kw solar energy system on roof. No change of occupancy, use or egress.”
- Alteration, filed Jun 19, 2025, estimated cost $3K, described as “Installation of temporary debris chute as per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 28, 2025, estimated cost $5K, described as “Installation of a temporarily supported scaffold ,heavy-duty sidewalk shed, roof and overhead protection per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this…”
- Alteration, filed Nov 15, 2024, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Nov 8, 2024, estimated cost $1K, described as “Installation and use of a temporary plywood fence as per plans filed herewith. Filed in conjunction with new building X01080947-I1. No change to use, egress or occupancy.”
- Demolition, filed Feb 28, 2024, estimated cost $50K, described as “Full demolition of one story structure, using handheld and partial mechanical means.”
- Demolition, filed Feb 28, 2024, estimated cost $60K, described as “Full demolition of 1 1/2 story house using hand and partial mechanical means”

## Property taxes

- Assessment: $340,650
- 2026–27 tax: $12,700
- Market value (city estimate): $757,000
- Taxable value: $102,100
- Assessed land: $340,650

## Zoning

R6A: floor area ratio 3.79 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Nov 30, 2023: $1,050,000

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

## Flood zone

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

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