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Mechanical SystemsBrooklynPermit issued

Mechanical Systems Work at 139 Flatbush Avenue, Brooklyn

139 FLATBUSH AVENUE, Brooklyn, 11217 · Fort Greene

Winston

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Reported project cost

$210,000

As declared on the permit filing. Mechanical Systems.

Issued
July 31, 2026
Expires
October 12, 2026
License
General Contractor

What was permitted

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.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number832389878
Work permit #B01386957-I1-MS
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionREPLACEMENT OF 60 TON ROOFTOP UNIT. NO CHANGE TO EGRESS, USE, OR OCCUPANCY.
Floor / unitRoof
Estimated cost$210,000
ApprovedJuly 22, 2026
IssuedJuly 31, 2026
ExpiresOctober 12, 2026
BBL—
BIN—

Property owner

Cushman & Wakefield

Evan Walke

Related searches

mechanical systemsFort GreeneBrooklynrooftop unit replacementbuilding permit$200k+ cost