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Mechanical SystemsBrooklynPermit issued

Mechanical Systems Upgrade at 309 47 Street, Brooklyn

309 47 STREET, Brooklyn, 11220 · Sunset Park (West)

Winston

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Reported project cost

$1,400,000

As declared on the permit filing. Mechanical Systems.

Issued
August 4, 2026
Expires
November 19, 2026
License
General Contractor

What was permitted

This permit covers extensive mechanical systems work in Brooklyn's Sunset Park (West) neighborhood, including new exhaust fans for upgraded toilets, ductwork modifications, and a split AC unit for an elevator. This project aims to improve building functionality and comfort.

Issued on August 4, 2026, the estimated cost for these mechanical upgrades is $1,400,000. EON MECHANICAL INC is the general contractor for this substantial mechanical systems project.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number765999000
Work permit #B00854243-S2-MS
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionPROVIDE NEW EXHAUST FANS TO ACCOMMODATE NEW & UPGRADED TOILETS, INSTALL NEW OR MODIFY EXISTING DUCTWORK, MODIFY & REPLACE SUPPLY DUCTWORK DISTRUBUTION & FIN TUBE CONVECTORS, PROVIDE SPLIT AC UNIT FOR ELEVATOR, & PROVIDE NEW FSD FOR EXHAUST DUCTWORK.
Floor / unitCellar, Floor Number(s) 1 through 3, Roof
Estimated cost$1,400,000
ApprovedJune 8, 2023
IssuedAugust 4, 2026
ExpiresNovember 19, 2026
BBL—
BIN—

Property owner

NYC School Construction Authority

Charleston Albert

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mechanical systemsHVACSunset Park (West)Brooklynbuilding systemsplumbing upgrade