300 Park Avenue, Manhattan
Commercial · built 1954 · Block 1285, Lot 36.
Building permits
- Alteration, filed Aug 3, 2026, estimated cost $9K, described as “Minor alteration, construction of non-load bearing partition at existing office space at 24TH floor. No changes to existing lighting or reflected ceiling plan. No change to use, egress or occupancy.”
- Alteration, filed Jul 21, 2026, estimated cost $49K, described as “Modification of the existing sprinkler system as per the filed plans. No change to use, occupancy or egress.”
- Alteration, filed Jun 22, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Apr 9, 2026, described as “Installation of suspended scaffold for facade inspection/repair.”
- Alteration, filed Mar 27, 2026, estimated cost $55K, described as “Modification to Plumbing and Sprinkler systems as per plans filed herewith.”
- Alteration, filed Mar 27, 2026, estimated cost $45K, described as “Modification to Mechanical systems as per plans filed herewith.”
- Alteration, filed Mar 27, 2026, estimated cost $2.2M, described as “Int reno of exist business class occ of 25,331 sf ft of the 4TH floor of the bldg, install of new non-load bearing prt, ceilings, light fix, av, it and mech, elect, pl and fp systems. No change to density, bldg envlop, bulk, height,…”
- Alteration, filed Mar 27, 2026, estimated cost $170K, described as “Modification to Plumbing and Sprinkler systems as per plans filed herewith.”
- Alteration, filed Mar 27, 2026, estimated cost $700K, described as “Int reno of exist business class occ of 9,377 sf ft of the 3RD fl of the bldg, install of new non-load bearing prt, ceilings, light fix, av, it and mech, elect, pl and fp systems. No change to density, bldg envlop, bulk, height, setbacks…”
- Alteration, filed Mar 27, 2026, estimated cost $140K, described as “Modification to Mechanical systems as per plans filed herewith.”
- Alteration, filed Mar 24, 2026, estimated cost $82K, described as “Hereby filing isolated balcony repairs as shown on plans filed herewith. No change to use, occupancy or egress.”
- Alteration, filed Jan 7, 2026, estimated cost $187K, described as “Interior removal and installation on non-load berating partitions, doors, ceilings, and related finished as per plans. No change in use, egress or occupancy.”
- Alteration, filed Nov 10, 2025, estimated cost $31K, described as “Removal and installation of interior partitions, ceilings and doors and related finishes as per plans. No change in use, egress or occupancy.”
- Alteration, filed Oct 21, 2025, estimated cost $700, described as “Install non-advertising non-illuminated sign. No change in egress, occupancy”
- Alteration, filed Aug 4, 2025, estimated cost $375K, described as “Non-load bearing partitions removal and new office fronts, non-load bearing interior partitions, and finishes. No change to use, egress, or occupancy.”
- Alteration, filed Apr 29, 2025, described as “IRA to assist with Condition Assessment.”
- No Work, filed Feb 13, 2025
- Alteration, filed Oct 31, 2024, estimated cost $800, described as “Erect accessory business window sign for naya, no change in use, egress or occupancy.”
- Alteration, filed Oct 30, 2024, estimated cost $17K, described as “Modification to mechanical ductwork and associated piping as per plans. No change in use, egress or occupancy.”
- Alteration, filed Oct 30, 2024, estimated cost $15K, described as “Modification to existing office. Interior partitions and doors as per plans. No change in use, egress or occupancy.”
- Alteration, filed Sep 25, 2024, estimated cost $36K, described as “Installation of new non-structural partition wall to divide existing office space with door as per plans submitted No change in use or egress”
- Alteration, filed Sep 10, 2024, estimated cost $760K, described as “Modification to mechanical ductwork and associated piping as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 21, 2024, estimated cost $53K, described as “Structural alterations for a retail bank as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 19, 2024, estimated cost $1.1M, described as “Installation of non-bearing interior partitions, doors and millwork as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 19, 2024, estimated cost $70K, described as “Modify plumbing fixtures and related piping as per plans. No change in use, egress or occupancy.”
126 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $173,258,550
- 2026–27 tax
- $18,795,088
- Market value (city estimate)
- $385,019,000
- Taxable value
- $173,258,550
- Assessed land
- $23,850,000
- Assessed improvements
- $149,408,550
Zoning
C5-3 (part of the lot is C5-2.5): floor area ratio 18.96 built, above the 15.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 28, 2020: $33,072,265, 645,483 sq ft ($51 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Greater East Midtown - Special Subdistrict (City Planning P2016M0316): Completed, decided Aug 15, 2017. This is an application by NYC Department of City Planning requesting a text amendment to establish the East Midtown Subdistrict and extend the Special Midtown District, and to rezone a half-block area from C5-2 to C5-3 to reinforce the…
- COLGATE-PALMOLIVE BLDG (City Planning P1990M0416): Completed, decided Sep 3, 1991. 90-120M: AUTH (ZR13-451) FOR PARKING SPACE IN THE LOADING AREA OF PREMISES WITH AREA APPROX 150 SF
In the news
Refinancing Completed For 300 Park Avenue In Midtown, Manhattan, New York YIMBY, Jul 8, 2025.