What was permitted
A renovation of the mechanical systems within duplex apartments 6B-7B on the 6th and 7th floors of 173 Riverside Drive in Manhattan is underway. This project, located in the Upper West Side (Central) neighborhood, focuses on internal building systems without altering the property's use, egress, or occupancy.
The permit for this mechanical system work was issued on September 17, 2026, with an estimated project cost of $52,500. AUGUST CONSTRUCTION GROU* is the general contractor managing this renovation.
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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 | 134211756 |
|---|---|
| Work permit # | M01435074-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | Renovation of existing duplex apt 6B-7B on the 6th and 7th floors. No change in use, egress or occupancy. |
| Floor / unit | Floor Number(s) 006 through 007 |
| Estimated cost | $52,500 |
| Approved | August 19, 2026 |
| Issued | September 17, 2026 |
| Expires | November 21, 2026 |
| BBL | — |
| BIN | — |
Property owner
Pr
James Xanthos
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