What was permitted
For homeowners on the Upper East Side, understanding the cost of interior mechanical work is key, as shown by this permit for apartment 4B. The project involves replacing existing water source heat pump AHUs and modifying toilet exhaust ductwork.
This mechanical systems permit was issued on May 7, 2026, with a project cost of $69,150. BREFFNI MECHANICAL INC is listed as the general contractor for this work.
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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 | 549645233 |
|---|---|
| Work permit # | M01227457-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | INTERIOR MECHANICAL WORK IN EXISTING APT 4B INCLUDING REPLACEMENT OF EXISTING WATER SOURCE HEAT PUMP AHUs AND MODIFICATIONS TO TOILET EXHAUST DUCTWORK. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. |
| Floor / unit | Floor Number(s) 4 through 4 |
| Estimated cost | $69,150 |
| Approved | December 23, 2025 |
| Issued | May 7, 2026 |
| Expires | November 4, 2026 |
| BBL | — |
| BIN | — |
Property owner
Pr
Daniela Bensadoun
Related searches
mechanical systemsHVACheat pumpapartment renovationUpper East Side-Carnegie HillManhattanNew York City$69,150