# 340 West 23rd Street, Manhattan

Single family · built c. 1900 · Block 746, Lot 64.

On Umarelli: https://umarelli.org/nyc/1007460064/340-west-23-street

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

Every lot on block 746: https://umarelli.org/nyc/manhattan/746.md

## Building permits

- Alteration, filed Feb 21, 2023, estimated cost $5K, described as “Installation of a heavy duty sidewalk shed & pipe scaffold as per plans during general construction work. No change in use, egress or occupancy. Sidewalk shed & pipe scaffold to comply with chapter 33 of NYC building code of 2022.”
- Alteration, filed Jul 25, 2022, estimated cost $1K, described as “Alteration to existing plumbing and fire sprinkler system in conjunction with GC application M00754884.”
- Alteration, filed Jul 6, 2022, estimated cost $35K, described as “Interior removal of partitions, cleaning of job site, and miscellaneous framing.”
- Alteration, filed Jun 10, 2022, estimated cost $650K, described as “Conversion of existing mixed use building to a single family house including vertical addition.”

## Property taxes

- Assessment: $426,420
- 2026–27 tax: $84,615
- Market value (city estimate): $7,107,000
- Taxable value: $426,420
- Assessed land: $100,200
- Assessed improvements: $326,220

## Zoning

C1-6A: floor area ratio 3.11 built, 4.00 allowed by base zoning.

## Recent sales

- Mar 6, 2020: $7,550,000, 5,603 sq ft ($1,347 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.

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