New York, NYMON, NOV 2Filings 7d911Permits 7d853Deeds & loans 7d29Updates 7d244Building1,159Contacts202,058
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
Each filing’s number, value, parties and contact are locked. Pro shows every one, $27 a month.
Public record
PermitSep 21, 2026
Institutional
trade_contractor ·
status: issuedSource: NYC Dept. of Buildings, trade permits (NYC Open Data)
PermitSep 17, 2026
Institutional
trade_contractor ·
status: issuedSource: NYC Dept. of Buildings, trade permits (NYC Open Data)
PermitMay 18, 2026
Alteration · Multifamily
contractor ·
status: signed offSource: NYC Dept. of Buildings, job filings and permits (NYC Open Data)
PermitMay 18, 2026
Alteration · Multifamily
applicant ·
status: signed offSource: NYC Dept. of Buildings, job filings and permits (NYC Open Data)
PermitFeb 12, 2026
trade_contractor ·
status: issuedSource: NYC Dept. of Buildings, trade permits (NYC Open Data)
PermitNov 26, 2025
Change of use · Institutional
owner ·
status: permit issuedSource: NYC Dept. of Buildings, job filings and permits (NYC Open Data)
PermitNov 13, 2025
Alteration · Multifamily
applicant ·
status: permit issuedSource: NYC Dept. of Buildings, job filings and permits (NYC Open Data)
PermitNov 12, 2025
Alteration · Institutional
owner ·
status: permit issuedSource: NYC Dept. of Buildings, job filings and permits (NYC Open Data)