# 348 West 20th Street, Manhattan

Three-family · built c. 1854 · Block 743, Lot 73.

On Umarelli: https://umarelli.org/nyc/1007430073/348-west-20-street

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

Every lot on block 743: https://umarelli.org/nyc/manhattan/743.md

## Building permits

- Alteration, filed May 13, 2026, estimated cost $105K, described as “Renovations to cellar unit to convert to ADU residential unit. Scope to include bathroom. Change in occupancy from 2-family plus business to 2-family plus cellar ADU.”

## Property taxes

- Assessment: $464,820
- 2026–27 tax: $39,944
- Market value (city estimate): $7,747,000
- Taxable value: $201,299
- Assessed land: $220,320
- Assessed improvements: $244,500

## Zoning

R7B: floor area ratio 3.26 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- May 5, 2026: $5,850,000, 5,000 sq ft ($1,170 per sq ft)

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 Chelsea Historic District (Historic District). 4 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