New York, NYMON, NOV 2Filings 7d927Permits 7d869Deeds & loans 7d29Updates 7d248Building1,159Contacts202,081
Columbia University Hartley Hall Renovation
Approved1120 AMSTERDAM AVENUE, Manhattan, NY 10027Tracked since Aug 19, 2025
Stage
- ProposedAug 2025
- Review
- Approved
- Building
- Delivered
Value
Largest job on its permits
Size
·
Latest filing
Sep 21
2026 · Permit
General contractor
and 1 more
What each filing and change says is locked. Pro shows every one, $27 a month.
Timeline
- Sep 21, 2026FilingPermit filed
- Sep 17, 2026FilingPermit filed
- May 18, 2026FilingPermit filed
- May 18, 2026FilingPermit filed
- Feb 12, 2026FilingPermit filed
- Nov 26, 2025FilingPermit filed
- Nov 13, 2025FilingPermit filed
- Nov 12, 2025FilingPermit filed