31 West 27th Street, Manhattan
Commercial · built c. 1909 · Block 829, Lot 16.
Building permits
- Alteration, filed Oct 6, 2025, estimated cost $230K, described as “Mechanical modifications taking place on 11th floor as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Oct 1, 2025, estimated cost $50K, described as “Modification to existing plumbing system on 11th floor as per plans filed herewith. No change in egress, use, or occupancy.”
- Alteration, filed Oct 1, 2025, estimated cost $40K, described as “Sprinkler modification on 11th floor as per plans filed herewith. No change in egress, use, or occupancy.”
- Alteration, filed Oct 1, 2025, estimated cost $900K, described as “General Construction Modification of 11th floor per plans filed herewith. No change in egress, use, or occupancy.”
- Alteration, filed Nov 26, 2024, estimated cost $171K, described as “Filing for General construction modifications including installation of interior non-load-bearing partitions, doors, and related finishes and ceiling modifications to the 6th floor as per plans filed herewith. No change in use, egress, or…”
- Alteration, filed Nov 26, 2024, estimated cost $600K, described as “Filing for General construction modifications to the 10th floor as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Dec 1, 2023, described as “Facade Repair and Inspection”
- Alteration, filed Mar 30, 2023, estimated cost $300, described as “Erect non-illuminated accessory d/f blade wall sign-b, non-flashing, non-advertising sign, no change in use, egress, or occupancy”
- Alteration, filed Mar 30, 2023, estimated cost $4K, described as “Erect illuminated accessory wall sign-a with back panel on the existing storefront mullion, no change to use, egress or occupation”
- No Work, filed Feb 28, 2023
- Alteration, filed Dec 13, 2022, estimated cost $15K, described as “Installation of pipe scaffolding as per plan and in accordance with Chapter 33 of NYC Building Code. No change in use, egress, or occupancy.”
- Alteration, filed Dec 2, 2022, estimated cost $379K, described as “Filing for Facade repairs as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Nov 16, 2022, estimated cost $175K, described as “Modifications to existing plumbing systems. No change in use, egress or occupancy.”
- Alteration, filed Nov 16, 2022, estimated cost $300K, described as “Modifications to existing mechanical systems. No change in use, egress or occupancy.”
- Alteration, filed Nov 8, 2022, estimated cost $775K, described as “Removal and installation of interior non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Oct 27, 2022, estimated cost $50K, described as “Filing for Structural modifications to include framing work to the East and West Marquee as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Oct 20, 2022, estimated cost $5K, described as “Installation of 300PSF sidewalk shed as per plans. Sidewalk shed shall comply with the chapter # 33 of the code, no changes in use in egress or occupancy under this application.”
- Alteration, filed Aug 26, 2022, estimated cost $70K, described as “Structural work as shown on plans”
- Alteration, filed May 19, 2022, estimated cost $210K, described as “Filing for Mechanical modifications to the 4th & 10th floors as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed May 12, 2022, estimated cost $63K, described as “Filing for sprinkler modifications to the 10th floor as per plans filed herewith. No change in use, egress, or occupancy”
- Alteration, filed May 12, 2022, estimated cost $65K, described as “Filing for plumbing modifications to the 10th floors as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed May 12, 2022, estimated cost $1.5M, described as “Filing for General construction modifications to include the build-out of the 10th floor as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Apr 18, 2022, estimated cost $74K, described as “Filing for General construction modifications to include demo as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Feb 14, 2020, estimated cost $125K, described as “Additions and modifications to an existing sprinkler and standpipe system. Remove 325 sprinkler heads and install 353 heads from cellar to 3rd floor. Remove 2 fire hose valves.and install 2 fire hose valves cabinets at cellar.”
- Alteration, filed Feb 14, 2020, estimated cost $40K, described as “Install 2 steam hot water generators as shown on drawings.”
10 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $21,714,300
- 2026–27 tax
- $1,696,507
- Market value (city estimate)
- $48,254,000
- Taxable value
- $21,714,300
- Assessed land
- $2,700,000
- Assessed improvements
- $19,014,300
Tax breaks
- ICAP abatement, through Jun 30, 2031, a $659,061 credit this tax year.
Zoning
M1-8A/R12: floor area ratio 10.81 built, 15.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 13, 2017: $126,000,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Madison Square North Historic District (Historic District). 50 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.
- Variance or special permit (Board of Standards and Appeals 2020-1-BZ): Variance or special permit, Withdrawn, filed Jan 3, 2020, decided Oct 3, 2022. Special Permit (§73-36) to permit the operation of a physical culture establishment (Equinox) within an existing commercial building §42-10. M1-6 zoning district. Madison Square North Historic District.
- Change to an earlier grant (Board of Standards and Appeals 739-69-A): Change to an earlier grant, Granted, filed Mar 15, 2000, decided Aug 8, 2000. Reopening for an Extension of Term of variance which expired March 25, 2000.