# 353 West 17th Street, Manhattan

School · built c. 1910 · Block 741, Lot 6.

On Umarelli: https://umarelli.org/nyc/1007410006/353-west-17-street

More construction in Chelsea: https://umarelli.org/nyc/manhattan/chelsea.md

Every lot on block 741: https://umarelli.org/nyc/manhattan/741.md

## Building permits

- Alteration, filed Mar 25, 2026, estimated cost $260K, described as “Scope of work is solely for the installation of the solar electronic generating system. All other work is not to be relied upon as being approved and/or permitted by the NYC department of buildings”
- Alteration, filed Jan 2, 2025, estimated cost $45K, described as “Application filed to obtain a Certificate of Compliance - the proposed work solely involves replacing the rooftop condensers. Ventilation system, along with all the existing ducts and piping shall remain.”
- Alteration, filed Apr 9, 2024, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. Sidewalk shed shall comply with chapter # 33 of the NYC code 2022, no changes in use egress or occupancy under this application.”

## Property taxes

- Assessment: $1,619,100
- Market value (city estimate): $3,598,000
- Taxable value: $0
- Assessed land: $531,000
- Assessed improvements: $1,088,100

## Tax breaks

- Nonprofit exemption (school), with no end date, about $175,640 a year below the full tax.

## Zoning

R8B: floor area ratio 4.50 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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