# 18 West 18th Street, Manhattan

Commercial · built c. 1904 · Block 819, Lot 56.

On Umarelli: https://umarelli.org/nyc/1008190056/18-west-18-street

More construction in Flatiron: https://umarelli.org/nyc/manhattan/flatiron.md

Every lot on block 819: https://umarelli.org/nyc/manhattan/819.md

## Building permits

- Alteration, filed Nov 18, 2025, described as “Installation of a suspended scaffold for Facade Inspection and repair as per plan submitted. No change to egress or occupancy.”
- Alteration, filed Nov 10, 2025, estimated cost $178K, described as “Brick replacement, brick repointing, limestone patch, limestone mortar joint replacement, stucco repair”
- Alteration, filed Oct 14, 2025, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed and pipe scaffold as per plans. No change in use, egress or occupancy.sidewalk shed shall comply with chapter #33 of 2022 the NYC building code.live load 300PSF.”
- Alteration, filed Sep 11, 2024, estimated cost $314K, described as “Interior renovation at lobby as per plans. No change to use, egress or occupancy.”
- Alteration, filed May 11, 2023, estimated cost $5K, described as “Installation of storage material as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Apr 24, 2023, estimated cost $4K, described as “Installation of temporary betamax hoist as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 17, 2023, estimated cost $1.6M, described as “Proposed west 17th street facade repairs and renovations as per drawings to include masonry repairs, replacement mansard roof, and painting. No change to use, egress or occupancy.”
- Alteration, filed Feb 8, 2023, estimated cost $5K, described as “Installation of pipe scaffolding as per plans. Pipe scaffolding shall comply with chapter #33 of the 2022 code no change in use, egress or occupancy under this application.”
- Alteration, filed Dec 8, 2022, estimated cost $10K, described as “Install a new mini-split system”
- Alteration, filed Dec 6, 2022, estimated cost $29K, described as “Interior renovation of existing commercial space. New non-load bearing partition, new wall, floor, and ceiling finishes.”
- Alteration, filed Jul 18, 2022, estimated cost $5K, described as “Installation of a temporary supported scaffold and roof protection per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Apr 6, 2022, estimated cost $600K, described as “Mechanical work as shown on plans”
- Alteration, filed Mar 7, 2022, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2014 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Feb 14, 2022, estimated cost $150K, described as “Sprinkler work as shown on plans.”
- Alteration, filed Feb 14, 2022, estimated cost $200K, described as “Plumbing work as shown on plans.”
- Alteration, filed Feb 14, 2022, estimated cost $2.1M, described as “General construction work as shown on plans”
- Alteration, filed Feb 2, 2022, estimated cost $47K, described as “Mechanical work as shown on plans (Klarna).”
- Alteration, filed Feb 2, 2022, estimated cost $20K, described as “Sprinkler work as shown on plans (Klarna).”
- Alteration, filed Feb 1, 2022, estimated cost $110K, described as “General construction work as shown on plans.”
- Alteration, filed Jan 3, 2022, estimated cost $53K, described as “Plumbing work as shown on plans (WeWork).”
- Alteration, filed Nov 22, 2021, estimated cost $38K, described as “Alterations to sprinkler system as per plans. No change to use, egress or occupancy.”
- Alteration, filed Sep 3, 2021, estimated cost $108K, described as “Install new plumbing fixtures and piping”
- Alteration, filed Sep 3, 2021, estimated cost $40K, described as “Modifications to the existing sprinkler system.”
- Alteration, filed Aug 2, 2021, estimated cost $343K, described as “Install new HVAC split system and associated duct and piping.”
- Alteration, filed Aug 2, 2021, estimated cost $676K, described as “Interior renovation of existing commercial space, new non-load bearing partition, new wall, floor, and ceiling finishes.”

10 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/1008190056/18-west-18-street.

## Property taxes

- Assessment: $19,720,350
- 2026–27 tax: $1,937,365
- Market value (city estimate): $43,823,000
- Taxable value: $17,859,190
- Assessed land: $1,890,000
- Assessed improvements: $17,830,350

## Zoning

C6-4A: floor area ratio 12.55 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Landmarks

Part of Ladies' Mile Historic District (Historic District). 50 Landmarks Preservation Commission permits are on file.

## Board and land use applications

- Variance or special permit (Board of Standards and Appeals 314-03-BZ): Variance or special permit, Granted, filed Oct 16, 2003, decided Jul 13, 2004. Special Permit (§73-19) to permit the legalization of an existing school, Use Group 3A, located in an 11 story loft building, in an M1-6M zoning district, is contrary to Z.R. §42-00 and §42-12.
- 23 W17TH ST (City Planning P1983M1287): Completed, decided Nov 5, 1986. CERT-GRANDFATHERING DETERMINATION (ZR15-215) FOR 6 UNITS-6\*FLRS

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