21 West 26th Street, Manhattan
Commercial · built c. 1881 · Block 828, Lot 20.
Building permits
- Alteration, filed Jul 27, 2023, estimated cost $5K, described as “Installation of a temporary scaffold at the elevator shaft as per plans during general construction. No change in use, egress or occupancy. Scaffold to comply with 2022 NYC building code, chapter 33”
- Alteration, filed May 19, 2023, estimated cost $12K, described as “Excavation proposed for an existing commercial building. No change to use, occupancy or egress.”
- Alteration, filed Dec 22, 2022, estimated cost $20K, described as “Foundation work proposed for an existing commercial building”
- Alteration, filed Aug 24, 2022, estimated cost $63K, described as “Structural work proposed as per plans filed herewith.”
- Alteration, filed Aug 23, 2022, estimated cost $187K, described as “Installation of a new sprinkler system”
- Alteration, filed Aug 23, 2022, estimated cost $80K, described as “Plumbing work proposed as per plans filed herewith.”
- Alteration, filed Aug 23, 2022, estimated cost $480K, described as “Mechanical work proposed as per plans filed herewith.”
- Alteration, filed Mar 10, 2022, estimated cost $500, described as “Construction of a temporary structure (mock up of proposed penthouse) to satisfy landmark objection.”
- Alteration, filed Mar 4, 2022, estimated cost $324K, described as “Tax lot combination of two existing commercial buildings. An enlargement, interior and exterior renovation proposed as per plans filed herewith.”
Property taxes
- Assessment
- $1,007,100
- 2026–27 tax
- $68,928
- Market value (city estimate)
- $2,238,000
- Taxable value
- $635,400
- Assessed land
- $225,000
- Assessed improvements
- $782,100
Zoning
M1-8A/R11: floor area ratio 2.13 built, 12.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 29, 2021: $6,700,000, sold with other lots
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Madison Square North Historic District (Historic District). 6 Landmarks Preservation Commission permits are on file.
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…
- Flatiron BID Expansion (City Planning 2021M0260): Business improvement district, Completed, filed Nov 30, 2020, decided May 19, 2021. An application from the Small Business Services (SBS) on behalf of the Flatiron Business Improvement District (BID) to modify the existing plan and expand the BID in Community Districts 4 and 5 of Manhattan.