# 121 West 27th Street, Manhattan

Commercial · built c. 1910 · Block 803, Lot 21.

On Umarelli: https://umarelli.org/nyc/1008030021/121-west-27-street

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

Every lot on block 803: https://umarelli.org/nyc/manhattan/803.md

## Building permits

- Alteration, filed May 2, 2023, estimated cost $8K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Apr 14, 2023, estimated cost $45K, described as “Repair existing stone masonry work as per plan”
- Alteration, filed Sep 25, 2020, estimated cost $80K, described as “Installation of Air Condensing Units and Ductwork . As per plans filed herewith no change to use occupancy or egress.”
- Alteration, filed Sep 25, 2020, estimated cost $20K, described as “Installation & Removal of Sprinkler Heads. As per plans filed herewith no change to use occupancy or egress.”
- Alteration, filed Jul 16, 2020, estimated cost $153K, described as “Propose modifications to existing sprinkler system. Cel-10 n & 2 r ; FL1-11 n & 1 r;; FL2-15 n; fl 3-11 n; FL4- 10N & 2R; FL5- 13N & 18 r; FL6-10 n & 2 r; FL7- 20 n & 9 r; FL8- 16 n & 3 r; FL9- 11N, FL10- 12 n & 4R; FL11- 7N & 3R; FL12- 21…”
- Alteration, filed Sep 11, 2019, estimated cost $12K, described as “Installation of 8 new wall mounted evaporators/air handlers & 2 new heat pumps/condensers”

## Property taxes

- Assessment: $9,586,350
- 2026–27 tax: $1,039,927
- Market value (city estimate): $21,303,000
- Taxable value: $9,586,350
- Assessed land: $1,617,750
- Assessed improvements: $7,968,600

## Zoning

M1-8A/R11: floor area ratio 11.46 built, 12.00 allowed by base zoning.

## Flood zone

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

## Board and land use applications

- Midtown South Mixed-Use Plan (MSMX) (City Planning 2024M0142): Zoning map change, Zoning text change, Completed, filed Jan 16, 2025, decided Aug 14, 2025. The Department of City Planning is seeking a Zoning Map amendment from M1-6 and M1-6D to M1-9A/R12, M1-8A/R12, and M1-8A/R11 and a Zoning Text amendment to facilitate the development of housing and support critical economic activity across…

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
