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Mechanical SystemsBrooklynPermit issued

Mechanical Systems Renovation at 407 3 STREET

407 3 STREET, Brooklyn, 11215 · Park Slope

Winston

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Reported project cost

$628,830

As declared on the permit filing. Mechanical Systems.

Issued
March 30, 2026
Expires
January 31, 2027
License
General Contractor

What was permitted

This permit details an interior renovation of an existing four-story building with a cellar in Park Slope. The project involves mechanical systems upgrades to the existing four-family dwelling.

The permit was issued on March 30, 2026, with an estimated cost of $628,830. The contractor for this project is TRUEBLUE CONSTRUCTION LLC.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number714042487
Work permit #B01344022-I1-GC-CX
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionINTERIOR RENOVATION OF AN EXISTING 4 STORY BUILDING W/ CELLAR. GENERAL CONSTRUCTION WORK TYPE. EXISTING 4 FAMILY DWELLING TO REMAIN. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Floor / unitCellar, Floor Number(s) 001 through 004
Estimated cost$628,830
ApprovedMarch 24, 2026
IssuedMarch 30, 2026
ExpiresJanuary 31, 2027
BBL—
BIN—

Property owner

407 Ar LLC

Han Yom

Related searches

mechanical systemsrenovationPark SlopeBrooklynNYCpermitconstruction cost$600k+