# 417 West 21st Street, Manhattan

Three-family · built c. 1843 · Block 719, Lot 30.

On Umarelli: https://umarelli.org/nyc/1007190030/417-west-21-street

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

Every lot on block 719: https://umarelli.org/nyc/manhattan/719.md

## Building permits

- Alteration, filed Feb 8, 2022, estimated cost $90K, described as “Mechanical work to demolish existing condenser unit in backyard. Relocate 4th Floor condenser unit to Rooftop. Add new unit on Rooftop to replace demolished unit”
- Alteration, filed Feb 2, 2022, estimated cost $298K, described as “Interior renovations as shown on drawings filed herewith. Combine dwelling units per DOB Technical Policy Procedure Notice # 3/1997.”
- Alteration, filed Feb 2, 2022, estimated cost $26K, described as “Plumbing work during Interior renovation to combine dwelling units per DOB Technical Policy Procedure Notice # 3/1997.”

## Property taxes

- Assessment: $470,700
- 2026–27 tax: $52,365
- Market value (city estimate): $7,845,000
- Taxable value: $263,897
- Assessed land: $168,480
- Assessed improvements: $302,220

## Zoning

R7B: floor area ratio 1.83 built, 3.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.

## Landmarks

Part of Chelsea Historic District (Historic District). 9 Landmarks Preservation Commission permits are on file.

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