# 215 Frost Street, Brooklyn

Two-family · built c. 1899 · Block 2857, Lot 58.

On Umarelli: https://umarelli.org/nyc/3028570058/215-frost-street

More construction in East Williamsburg: https://umarelli.org/nyc/brooklyn/east-williamsburg.md

## Building permits

- Alteration, filed May 4, 2026, estimated cost $150K, described as “Proposed underpinning of existing party wall foundation along adjacent property line”
- Alteration, filed Apr 18, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Major Renovation — Enlargement, filed May 28, 2025, estimated cost $1.1M, 2 units added, 4 stories, described as “Propose new vertical and horizontal enlargement of existing residential building with general construction works as per plan. It will be upgraded to ib construction and comply with new building code requirements. Obtain a new c of o.”

## Property taxes

- Assessment: $120,840
- 2026–27 tax: $4,214
- Market value (city estimate): $2,014,000
- Taxable value: $21,238
- Assessed land: $17,100
- Assessed improvements: $103,740

## Zoning

R6B: floor area ratio 0.67 built, 2.00 allowed by base zoning.

## Recent sales

- Apr 30, 2025: $900,000

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
