# 100 West 18th Street, Manhattan

Condominium · 43 units · built 2006 · Block 793, Lot 7507.

On Umarelli: https://umarelli.org/nyc/1007937507/100-west-18-street

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

Every lot on block 793: https://umarelli.org/nyc/manhattan/793.md

## Building permits

- Alteration, filed Oct 13, 2026, estimated cost $70K, described as “Facade repair as shown on plans”
- Alteration, filed Aug 21, 2026, estimated cost $12K, described as “Minor construction on the cellar and the 1st floor to create recreation space with eating and drinking (Fire Iron Golf) as indicated on drawings. Related job numbers : M01342066, M01342582, M01342571, M01342595, M01342622”
- Alteration, filed Jan 14, 2026, estimated cost $5K, described as “Erect an illuminated business accessory wall sign. No change in use, egress, or occupancy.”
- Alteration, filed Jan 8, 2026, estimated cost $49K, described as “Sprinkler updates for new five iron golf at cellar & 1ST floor tenant space as per plans filed herewith.”
- Alteration, filed Jan 8, 2026, estimated cost $98K, described as “Mechanical updates for new five iron golf at cellar & 1ST floor tenant space as per plans filed herewith.”
- Alteration, filed Jan 8, 2026, estimated cost $49K, described as “Plumbing updates for new five iron golf at cellar & 1ST floor tenant space as per plans filed herewith.”
- Alteration, filed Jan 6, 2026, estimated cost $455K, described as “Tenant improvement for new five iron golf at cellar & 1ST floor tenant space as per plans filed herewith. No change in occupancy, egress or exit. Modifications to tenant space including new partition walls, raised flooring, finishes &…”
- Alteration, filed Jan 6, 2026, estimated cost $43K, described as “Structural updates for new five iron golf at 1ST floor tenant space as per plans filed herewith.”
- Alteration, filed Oct 6, 2025, estimated cost $200K, described as “Structural work for new stair in existing opening and new opening in existing floor for lula as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Oct 1, 2025, estimated cost $298K, described as “Apartment renovation throughout, including layout modifications to kitchen and master suite. Bathroom plumbing fixtures to be replaced and/or relocated in all bathrooms. Upgrade modifications to lighting, power and finishes throughout.”
- Alteration, filed Jul 31, 2023, estimated cost $21K, described as “Modification to Existing Sprinkler System as per plans filed. No change in use, egress or occupancy.”
- Alteration, filed Apr 5, 2023, estimated cost $18K, described as “Five below-- plumbing modifications inclusive of installation of new fixtures as per plans filed herewith.”
- Alteration, filed Apr 5, 2023, estimated cost $40K, described as “Five below-- mechanical modifications for retail renovation as per plans filed herewith.”
- Alteration, filed Apr 5, 2023, estimated cost $233K, described as “Five below-- general construction inclusive of interior demo and installation of interior partitions as per plans filed. No change to use, egress, or occupancy.”
- Alteration, filed Feb 21, 2023, estimated cost $250K, described as “Mechanical modifications to include HVAC replacement and replacement of associated ductwork per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 20, 2023, estimated cost $40K, described as “Application filed for the alteration of the sprinkler system within the cellar, first, and second floor retails spaces to whitebox the space as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jan 27, 2023, estimated cost $6K, described as “Erect illuminated, accessory business channel letter wall sign-a with wireway, no change to use, egress or occupation”
- Alteration, filed Jan 27, 2023, estimated cost $7K, described as “Erect illuminated, accessory business channel letter wall sign-c with back panel, no change to use, egress or occupation”
- Alteration, filed Jan 27, 2023, estimated cost $550, described as “Erect non-illuminated accessory d/f projecting banner sign-d, non-flashing, non-advertising sign, no change in use, egress, or occupancy”
- Alteration, filed Jan 27, 2023, estimated cost $42K, described as “Erect illuminated, accessory business channel letter wall sign-b with back panel, no change to use, egress or occupation”
- Alteration, filed Jan 27, 2023, estimated cost $550, described as “Erect non-illuminated accessory d/f projecting banner sign-D1, non-flashing, non-advertising sign, no change in use, egress, or occupancy”
- Alteration, filed Dec 18, 2022, estimated cost $710K, described as “Interior renovation of non-loading bearing interior walls on cellar, first, and second floors and replacement of existing elevator as per plans filed herewith.”
- Alteration, filed Nov 18, 2022, estimated cost $233K, described as “Interior demolition of non-loading partitions of commercial spaces as per plans filed herewith. No change in use, egress, or occupancy.”
- No Work, filed Oct 26, 2021, described as “Renewal of experiential retail pop up exhibit - the entry shall be from ave of the americas, then up an escalator to the 2NDFLOOR, where there will be a series of exhibits and spaces - of installations to create a mult-sensory cannabis…”
- No Work, filed Sep 27, 2021, described as “Experiential retail pop up exhibit - the entry shall be from ave of the americas, then up an escalator to the 2ND floor, where there will be a series of exhibits and spaces - of installations to create a mult-sensory cannabis experience.”

4 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/1007937507/100-west-18-street.

## Property taxes

- Assessment: $19,087,211
- 2026–27 tax: $2,049,736
- Market value (city estimate): $42,416,031
- Taxable value: $18,550,799
- Assessed land: $4,207,511
- Assessed improvements: $14,879,700
- Condo units with their own tax lots: 47

## Tax breaks

- Co-op and condo abatement, with no end date, a $154,938 credit this tax year.

## Zoning

C6-2A: floor area ratio 6.83 built, above the 6.02 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Aug 25, 2026: $18,300,000, Apt C1, sold with other lots
- Jan 9, 2025: $2,175,000, Apt 6D
- Jul 1, 2024: $1,900,000, Apt 5F
- Oct 12, 2023: $1,900,000, Apt 6F
- Jul 26, 2023: $1,350,000, Apt 4E
- Feb 7, 2023: $2,072,000, Apt 3D
- Dec 8, 2022: $750,000, Apt 10A
- Nov 30, 2022: $2,250,000, Apt 5E
- Mar 7, 2022: $2,126,250, Apt 8D
- Dec 10, 2021: $1,600,000, Apt 6B

The 10 most recent of 25 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
