Mechanical Systems Work at 139 Flatbush Avenue, Brooklyn
139 FLATBUSH AVENUE, BROOKLYN, 11217 · Fort Greene
What was permitted
For homeowners in Fort Greene, Brooklyn, understanding the costs of mechanical system work is important, as seen with the project at 139 Flatbush Avenue. This permit specifically addresses the removal of mechanical ducts and associated piping, a common task in building renovations or upgrades.
This significant mechanical systems project was issued a permit on May 7, 2026, with an estimated cost of $100,000. STEADFAST DEVELOPMENT AND is the general contractor for this undertaking.
A substantial mechanical systems project in Brooklyn's Fort Greene neighborhood, involving duct and piping removal, with an estimated cost of $100,000.
What it cost
Issued
May 7, 2026
Expires
September 25, 2026
License
General Contractor
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Filed by STEADFAST DEVELOPMENT AND · 20 permits across 12 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 401033409 |
| Work Permit # | B01388787-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | REMOVAL OF MECHANICAL DUCTS AND ASSOCIATED PIPING. |
| Floor / Unit | Floor Number(s) 001 through 001 |
| Estimated Cost | $100,000 |
| Approved | April 23, 2026 |
| Issued | May 7, 2026 |
| Expires | September 25, 2026 |
| BBL | — |
| BIN | — |
Property Owner
CUSHMAN & WAKEFIELD
EVAN WALKE