What was permitted
Homeowners on the Upper East Side of Manhattan may be interested in the significant foundation work occurring at 809 Madison Avenue. This permit is for foundation work associated with a horizontal and vertical enlargement.
Issued on September 21, 2026, this permit has an estimated project cost of $750,000. The contractor is CM AND ASSOCIATES CONST, and the work involves foundation development for a building enlargement.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 617387344 |
|---|---|
| Work permit # | M01262427-S1-FO |
| Job filing number | — |
| Work type | Foundation |
| Status | Permit Issued |
| Job description | DevHUB Consultation 7.18.2025 @2pm. Application filed for foundation work associated with horizontal and vertical enlargement. |
| Floor / unit | Cellar-SO-5601-M01262427-I1, Cellar-SO-7530-M01262427-I1, Underground |
| Estimated cost | $750,000 |
| Approved | September 16, 2026 |
| Issued | September 21, 2026 |
| Expires | February 12, 2027 |
| BBL | — |
| BIN | — |
Property owner
Macklowe Properties
Simone Sarcona
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