56 West 66th Street, Manhattan
Commercial · built c. 1903 · Block 1118, Lot 52.
Building permits
- Alteration, filed Jul 23, 2026, estimated cost $20K, described as “Demolition limited to removal of slab on grade in preparation for excavation and foundation work.”
- Alteration, filed Jun 15, 2026, estimated cost $2K, described as “Temporary work platforms as per drawings. Work platforms shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Oct 17, 2025, estimated cost $10.2M, described as “Conversion of office building to seminary school”
- Alteration, filed Sep 23, 2025, estimated cost $250K, described as “Removals of interior partitions, finishes, doors, etc. - no structural demolition proposed”
- Alteration, filed Aug 10, 2022, estimated cost $20K, described as “Installation of temporary roof protection per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed May 19, 2022, estimated cost $360K, described as “Replacement of Data Room air handlers and exterior condensing units on cellar and first floor. No change to egress use oroccupancy.”
- Alteration, filed Mar 31, 2022, estimated cost $20K, described as “Modification of existing boiler and hot water heater breeching in the boiler room as per field condition. No change i use, egress, or occupancy.”
Property taxes
- Assessment
- $5,676,750
- Market value (city estimate)
- $12,615,000
- Taxable value
- $0
- Assessed land
- $2,255,400
- Assessed improvements
- $3,421,350
Tax breaks
- Nonprofit exemption (nonprofit, use planned), with no end date, about $615,814 a year below the full tax.
Zoning
C4-7: floor area ratio 2.43 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Landmarks
Part of First Battery Armory (Individual Landmark). 47 Landmarks Preservation Commission permits are on file.