12 West 31st Street, Manhattan
Commercial · built c. 1910 · Block 832, Lot 53.
Building permits
- Alteration, filed May 2, 2023, estimated cost $40K, described as “Replacement of existing HVAC units on existing dunnage at second floor lower roof and at upper roof.”
- Alteration, filed Jul 1, 2020, described as “Installation of sidewalk shed”
- Alteration, filed Feb 7, 2019, estimated cost $5K, described as “Installation of sidewalk shed as per plans filed herewith.”
Property taxes
- Assessment
- $3,375,450
- 2026–27 tax
- $366,169
- Market value (city estimate)
- $7,501,000
- Taxable value
- $3,375,450
- Assessed land
- $1,354,500
- Assessed improvements
- $2,020,950
Zoning
M1-8A/R12: floor area ratio 11.43 built, 15.00 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…
- 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.