25 11th Avenue, Manhattan
Commercial · built c. 1900 · Block 662, Lot 3.
Building permits
- Alteration, filed Sep 11, 2026, estimated cost $400K, described as “Temporary Installation in Auditorium at 3RD FL to be removed after event”
- No Work, filed Sep 8, 2026, described as “Keynote presentation and breakout sessions.”
- Alteration, filed Aug 13, 2026, estimated cost $72K, described as “Installation of mechanical piping for new walk-in refrigerator as per plans filed herewith. No existing building materials are to be disturbed by the proposed work. No change to use, egress, or occupancy.”
- Alteration, filed Aug 13, 2026, estimated cost $9K, described as “Installation of new sprinkler heads for new walk-in refrigerator room as per plans filed herewith. No change to use, egress, or occupancy proposed.”
- Alteration, filed Feb 27, 2026, estimated cost $300K, described as “Temporary Installation in Auditorium at 3RD FL to be removed after event”
- Alteration, filed Jan 28, 2026, estimated cost $150K, described as “Replacement of lighting in existing ceilings as per drawings filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jan 12, 2026, estimated cost $119K, described as “Installation of new non-bearing partitions, new office front and doors, installation of new ceiling and finish as per drawings filed herewith. No change in use, egress or occupancy.”
- No Work, filed Sep 10, 2025, described as “Keynote and breakout sessions”
- Alteration, filed Aug 27, 2025, estimated cost $150K, described as “Temporary Installation in Auditorium at 3RD FL to be removed after event”
- Alteration, filed Aug 18, 2025, estimated cost $22K, described as “Filing for installation and relocation of sprinkler heads and related piping as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Aug 18, 2025, estimated cost $95K, described as “Addition of short runs of ductwork and piping to serve phone rooms. No change to use, egress, or occupancy.”
- Alteration, filed Aug 15, 2025, estimated cost $381K, described as “Demolition of interior millwork and finishes per indicated scope. Installation of new non-bearing partitions, new office front and doors, installation of new ceiling andfinish as per drawings filed herewith. No change in use, egress or…”
- Alteration, filed Jul 16, 2025, estimated cost $175K, described as “Rebalancing of existing precipitator and additions to associated ductwork as per plans filed herewith. No change in use, egress, or occupancy.”
- No Work, filed Jun 23, 2025
- No Work, filed Jun 23, 2025
- Alteration, filed May 5, 2025, estimated cost $1.6M, described as “Corridor niche renovations to create additional phone rooms on 2nd and 4th floor. No change to use, egress, or occupancy.”
- Alteration, filed May 5, 2025, estimated cost $110K, described as “Addition of short runs of ductwork to serve phone rooms. No change to use, egress, or occupancy.”
- Alteration, filed Apr 14, 2025, estimated cost $275K, described as “Temporary Installation in Auditorium at 4TH FL to be removed after event”
- Alteration, filed Dec 9, 2024, estimated cost $1K, described as “Filing for construction of temporary structure of plywood, aluminum, and laminate as per plans filed herewith. No changes to use, egress, or occupancy.”
- Alteration, filed Sep 19, 2024, estimated cost $998, described as “The project referenced by this submittal consists of an indoor temporary plywood structure that is bolted to a stage and rigged to a pipe structure.”
- No Work, filed Sep 19, 2024, described as “Keynote session in Horizon Hall with custom stage build and seating layout. Furniture for speaker holding space in West pre-function, demos and furniture throughout the North & South pre-function and lastly food and beverage stations in…”
- Alteration, filed Sep 19, 2024, estimated cost $1K, described as “Filing for installation of temporary structure consisting of TV monitors mounted steel piping and aluminum truss.”
- No Work, filed Sep 6, 2024, described as “Keynote and breakout sessions.”
- Alteration, filed Aug 28, 2024, estimated cost $150K, described as “Temporary Installation in Auditorium at 4TH FL to be removed after event”
- Alteration, filed Apr 15, 2024, estimated cost $250K, described as “Temporary Installation in Auditorium at 4TH FL to be removed after event”
66 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $80,730,900
- Market value (city estimate)
- $179,402,000
- Taxable value
- $0
- Assessed land
- $22,098,600
- Assessed improvements
- $58,632,300
Zoning
M1-5: floor area ratio 1.21 built, 5.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 12 ft (NAVD88).
Board and land use applications
- Pier 57 cert, mini mod and subst comp (City Planning P2015M0028): Completed, decided Dec 17, 2015. This is a Certification pursuant to ZR 62-811 to reflect the reallocation and addition of floor area to include office space. This also includes Minor modification and substantial compliance of special permits pursuant to ZR 62-834 and ZR…
- PIER 57 (City Planning P2012M0280): Completed, decided Oct 29, 2013. This is a private application for a zoning map amendment, a Chair Certification, and three special permits to facilitate the reuse of Pier 57 as an indoor marketplace, culinary school and headquarters for the Tribeca Film Festival. The…