# 450 West 17th Street, Manhattan

Condominium · 469 units · built 2006 · Block 714, Lot 7501.

On Umarelli: https://umarelli.org/nyc/1007147501/450-west-17-street

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

Every lot on block 714: https://umarelli.org/nyc/manhattan/714.md

## Building permits

- Alteration, filed Oct 27, 2026, described as “Installation of temporary fence as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 14, 2026, estimated cost $85K, described as “Kitchen, Master Bathroom and Guest Bathroom Renovation. no change in use. egress or occupancy unit 2503”
- Alteration, filed Jun 29, 2026, estimated cost $400K, described as “Replacement of air conditioning units for Equinox Health Club. No change in egress and occupancy.”
- Alteration, filed May 11, 2026, estimated cost $70K, described as “Partial interior removals including partitions, suspended ceilings, cabinetry and finishes to prepare space for new tenant. No change to use, egress or occupancy.”
- Alteration, filed Mar 13, 2026, estimated cost $918K, described as “Modification to the entry of the access stair connecting The Highline to The Caledonia building. Work at the High Line filed under DOBNOW Job # M01320837-I1.”
- Alteration, filed May 30, 2025, estimated cost $5K, described as “Installation of heavy duty sidewalk shed. No change in use, occupancy or egress under this application, all work to comply with chapter 33 of nycbc.”
- Alteration, filed Mar 6, 2025, estimated cost $110K, described as “Removal of the existing window assembly, partial closure of the opening to include installation of new interior and exterior wall, and installation of a new window.”
- Alteration, filed Dec 5, 2024, estimated cost $10K, described as “Renovation in apt PH2”
- Alteration, filed Dec 5, 2024, estimated cost $8K, described as “Plumbing work in apt PH2”
- Alteration, filed Feb 27, 2024, described as “FISP INSPECTION (Facade Inspection Safety Program) INDUSTRIAL ROPE ACCESS TECHNIQUES AND METHODS. SEE ATTACHED PLANS Designated Primary Site supervisor: Kenneth Cole”
- Alteration, filed Feb 27, 2024, estimated cost $70K, described as “Renovation of an existing apartment. Renovation of one kitchen, and one bathroom.”
- Alteration, filed Sep 18, 2023, estimated cost $25K, described as “The proposed scope of work is for general construction at the facade only. No interior work or change in occupancy or egress is proposed as part of this application.”
- Alteration, filed Feb 3, 2023, estimated cost $5K, described as “Interior renovation in 2010”
- Alteration, filed Feb 3, 2023, estimated cost $8K, described as “Plumbing work in apt 2010”
- Alteration, filed Sep 2, 2022, estimated cost $91K, described as “Removal and relocation of interior partitions, removal of one kitchen for apt combination as per TPPN 3/97, Removal of Wall, floor and ceiling finishes in apts 1610 and 1611 on 16th floor. No change in occupancy, use or egress.”
- Alteration, filed Sep 1, 2022, estimated cost $36K, described as “Removal and relocation of interior partitions, removal of one kitchen for apartment combination as per TPPN 3/97, removal of wall, floor and ceiling finishes in apartment 1610 and 1611 on 16th Floor. No change in occupancy, use or egress.”
- Alteration, filed May 16, 2022, estimated cost $30K, described as “Rwmoval of non-load bearing partitions, installation of new pocket door for closet and replace/patch floor as needed as shown on plans. There is no change in use, occupancy or means of egress.”
- Alteration, filed Apr 26, 2021, estimated cost $32K, described as “Installation of mechanical system for the 15TH floor only in conjunction with new building application # 104318908. Nochange in use, egress or occupancy.”
- Alteration, filed Mar 11, 2021, estimated cost $6K, described as “Modify existing sprinkler system as per plans.”
- Alteration, filed Dec 4, 2020, estimated cost $25K, described as “Plumbing work in connection with NYC DOB bis job#: 140978155.”
- Alteration, filed Sep 1, 2020, estimated cost $46K, described as “Propose plumbing working in conjunction with arch design. No change in use, egress or occupancy.”
- Alteration, filed Dec 24, 2019, estimated cost $33K, described as “Plumbing work as per plans. No change of use, egress or occupancy under this application.”
- Alteration, filed Dec 24, 2019, estimated cost $20K, described as “Sprinkler work as per plans. No change of use, egress or occupancy under this application.”
- Alteration, filed Dec 24, 2019, estimated cost $15K, described as “Herewith filing minor mechanical work as per plans submitted. No change to use, egress or occupancy”
- Alteration, filed Aug 14, 2019, estimated cost $15K, described as “Plumbing modifications, relocate and install new plumbing fixtures and associated piping as per plans (Gumdrop Salon.) No change to use, egress or occupancy.”

1 more, older permit is in this building’s full list on the map: https://umarelli.org/nyc/1007147501/450-west-17-street.

## Property taxes

- Assessment: $89,068,774
- 2026–27 tax: $7,454,053
- Market value (city estimate): $197,930,596
- Taxable value: $61,968,115
- Assessed land: $927,001
- Assessed improvements: $88,141,773
- Condo units with their own tax lots: 186

## Tax breaks

- 421-a exemption, through Jun 30, 2030, about $2,653,539 a year below the full tax.
- Co-op and condo abatement, with no end date, a $163,304 credit this tax year.

## Zoning

C6-3: floor area ratio 9.53 built, above the 7.52 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Sep 8, 2026: $3,415,000, Apt 2208
- Sep 3, 2026: $1,250,000, Apt 1123
- Aug 27, 2026: $3,800,000, Apt 1709
- Aug 10, 2026: $1,300,000, Apt 1019
- Jul 17, 2026: $1,050,000, Apt 1901
- Jun 26, 2026: $1,618,000, Apt 1910
- Feb 13, 2026: $860,000, Apt 1009
- Oct 6, 2025: $5,795,000, Apt 1509, sold with other lots
- Sep 8, 2025: $1,695,000, Apt 2302
- Jun 16, 2025: $2,600,000, Apt 1206

The 10 most recent of 109 open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year.

## Board and land use applications

- Change to an earlier grant (Board of Standards and Appeals 41-07-BZII): Change to an earlier grant, Granted, filed Feb 28, 2017, decided Aug 8, 2017. Extension of Term of a previously approved Special Permit (§73-36) which permitted the operation of a Physical Cultural Establishment (Equinox) on the cellar, ground, and mezzanine levels of a 24-story mix-use building which expires on May…
- Variance or special permit (Board of Standards and Appeals 204-15-BZ): Variance or special permit, Granted, filed Aug 31, 2015, decided Jul 19, 2016. Special Permit 73-36: to allow a (SoulCycle) physical culture establishment within portion of an existing twenty-four story mixed use building in a C6-3 (WCH) zoning district.
- Variance or special permit (Board of Standards and Appeals 41-07-BZ): Variance or special permit, Granted, filed Feb 5, 2007, decided May 8, 2007. Special Permit (§73-36) to permit the proposed PCE on the cellar, ground, and mezzanine levels of a 24-story building under construction. The Premises is located in a C6-3 zoning district and Sub Area 1 of the Special West Chelsea…
- THE CALEDONIA (City Planning P2010M0118): Completed, decided Jan 25, 2010. A FOLLOW-UP TO THE CERT THAT REQUIREMENTS DESCRIBED FOR THE\*IMPROVEMENT BONUS HAVE BEEN MET
- THE CALENDONIA (City Planning P2009M0027): Completed, decided Sep 3, 2008. CERT 98-25(C) 3,4,5 FOR A HIGH LINE BONUS TO DEVELOP A 24\*STORY BLDG W/478 DWELLING UNITS W/IN THE CLINTON W. CHELSEA\*DIST
- 450 W17TH ST (City Planning P2006M0269): Completed, decided Jan 2, 2008. 06DCP074M: SPECIAL PERMIT TO ALLOW AN ACCESSORY OFF-STREET PARKING FACI LITY

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