520 MADISON AVENUE Construction Projects
27 permit-backed projects at 520 MADISON AVENUE, Manhattan, New York City. Review project history, reported costs, and businesses associated with this address.
- 27
- projects on record
- 6
- businesses
- $4,900 – $5.5M
- reported price range
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Reported project costs at 520 MADISON AVENUE
Reported costs from real permit filings, not estimates.
Sprinkler System Modification at 520 Madison Avenue, Manhattan
Sprinklers · Midtown-Times Square · Oct 14, 2026
$4,900
General Construction for Office Occupancy Increase at 520 Madison Avenue, Manhattan
General Construction · Midtown-Times Square · Oct 6, 2026
$10,000
Structural Modifications at 520 Madison Avenue, Manhattan
Structural · Midtown-Times Square · Sep 29, 2026
$60,000
9 more priced projects in 520 MADISON AVENUE
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