139 FLATBUSH AVENUE, Brooklyn, 11217 · Fort Greene
For residents in Fort Greene, Brooklyn, understanding the cost of significant mechanical system upgrades is crucial. This permit covers the replacement of a large rooftop unit, a substantial project for a commercial or multi-unit residential building.
Issued on July 31, 2026, this mechanical systems permit has an estimated project cost of $210,000. AIR STREAM AIR CONDITIONI is the contractor responsible for this work.
A major rooftop unit replacement in Brooklyn's Fort Greene neighborhood cost $210,000, highlighting the investment in HVAC infrastructure.
Issued
July 31, 2026
Expires
October 12, 2026
License
General Contractor
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Filed by AIR STREAM AIR CONDITIONI · 7 permits across 7 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 832389878 |
| Work Permit # | B01386957-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | REPLACEMENT OF 60 TON ROOFTOP UNIT. NO CHANGE TO EGRESS, USE, OR OCCUPANCY. |
| Floor / Unit | Roof |
| Estimated Cost | $210,000 |
| Approved | July 22, 2026 |
| Issued | July 31, 2026 |
CUSHMAN & WAKEFIELD
EVAN WALKE
| Expires |
| October 12, 2026 |
| BBL | — |
| BIN | — |
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