What was permitted
This permit is associated with significant mechanical work for a horizontal and vertical enlargement of the property at 809 Madison Avenue on Manhattan's Upper East Side. Such extensive mechanical system upgrades are typical for major building expansions.
The permit was issued on October 8, 2026, with a substantial estimated project cost of $2,114,000. CONSTRUCTION MANAGERS * is listed as the general contractor.
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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 | 372525265 |
|---|---|
| Work permit # | M01262427-S3-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | DevHUB Consultation 7.18.2025 @2pm. Application filed for mechanical work associated with horizontal and vertical enlargement. |
| Floor / unit | Cellar-SO-5601-M01262427-I1, Cellar-SO-7530-M01262427-I1, Floor Number(s)-3-SO-8211-M01262427-I1, Floor Number(s)-4-SO-2961-M01262427-I1, Floor Number(s)-5-SO-5405-M01262427-I1, Floor Number(s)-6-SO-3 |
| Estimated cost | $2,114,000 |
| Approved | September 29, 2026 |
| Issued | October 8, 2026 |
| Expires | November 4, 2026 |
| BBL | — |
| BIN | — |
Property owner
Macklowe Properties
Simone Sarcona
Related searches
mechanical systemsmanhattanupper east sidebuilding enlargementconstruction costpermit issued$2M+