# 443 West 18th Street, Manhattan

Commercial · built c. 1920 · Block 716, Lot 13.

On Umarelli: https://umarelli.org/nyc/1007160013/443-west-18-street

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

Every lot on block 716: https://umarelli.org/nyc/manhattan/716.md

## Building permits

- Alteration, filed May 24, 2026, estimated cost $5K, described as “Removal of (2) interior double doors. No structural change, no change in use. No change in occupancy.”
- Alteration, filed Oct 5, 2023, estimated cost $5K, described as “General Construction. Increase existing occupant load. In conjunction with M00751495, M08033215, M08033180, M08033220, and M00723945. No change in egress or use.”
- Alteration, filed Mar 31, 2023, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 31, 2023, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 17, 2023, estimated cost $51K, described as “Filing herewith mechanical work at 001, 002, MEZ, and roof as per plans (including new VRF System, DOAS, and toilet exhaust and associated ducts and piping) in conjunction with M08038265, M08033180, M08033220, M00723945, and M08033215”
- Alteration, filed Dec 15, 2022, estimated cost $23K, described as “Installation of plumbing systems with related piping at 001, 002, ROF commercial as per plan in conjunction with M08033206, M08033215, and M08033220. No change in egress, occupancy, or use.”
- Alteration, filed Nov 14, 2022, estimated cost $50K, described as “Installation of new structural shaft wall on ground floor, vertical circulation installations, and framing on second floor; in conjunction with M08033180, M08033206, M08033215”
- Alteration, filed Jun 6, 2022, estimated cost $43K, described as “Interior non-structural partition removal and installation of non-structural partitions. Paint, patch, and seal on floors, walls, and ceilings throughout. No change in egress, occupancy or use.”

## Property taxes

- Assessment: $3,210,300
- 2026–27 tax: $304,166
- Market value (city estimate): $7,134,000
- Taxable value: $2,803,894
- Assessed land: $450,000
- Assessed improvements: $2,760,300

## Zoning

R8A: floor area ratio 2.00 built, 6.02 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.

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