645 MADISON AVENUENew York CityManhattan
645 MADISON AVENUE Construction Projects
9 permit-backed projects at 645 MADISON AVENUE, Manhattan, New York City. Review project history, reported costs, and businesses associated with this address.
0 projects0 businesses$1,000 – $2,120,000 range
Reported project costs at 645 MADISON AVENUE
Based on real permit filings — actual project costs, not estimates.
Mechanical Systems Expansion at 645 Madison Avenue, Manhattan
Mechanical Systems · Upper East Side-Carnegie Hill
$456,000
July 17, 2026
General Construction at 645 Madison Avenue, Manhattan
General Construction · Upper East Side-Carnegie Hill
$149,994
July 14, 2026
General Construction at 645 Madison Avenue, Manhattan
General Construction · Upper East Side-Carnegie Hill
$2,120,000
June 29, 2026
6 more projects with pricing in 645 MADISON AVENUE
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