Mechanical SystemsBrooklynPermit Issued

Mechanical System Installation at 450 Bergen Street

450 BERGEN STREET, BROOKLYN, 11217 · Park Slope

1

What was permitted

This permit covers the installation of a mechanical system at 450 Bergen Street, Brooklyn, including work in the cellar, multiple floors, and the roof. This type of project often involves upgrades to HVAC, plumbing, or electrical systems.

The permit was issued on April 10, 2026, with an estimated cost of $88,000. ADK MAINTENANCE INC is listed as the general contractor for this project.

Homeowners in Park Slope should note that mechanical system installations can be a significant investment, with costs varying based on the scope of work.

2

What it cost

$88,000reported on this filing

Issued

April 10, 2026

Expires

February 23, 2027

License

General Contractor

3

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Filed by ADK MAINTENANCE INC · 2 permits across 1 neighborhood

View the official permit record

Tracking number, work description, cost, and dates

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Tracking Number592941580
Work Permit #B01150803-S2-MS
Job Filing Number
Work TypeMechanical Systems
StatusPermit Issued
Job DescriptionWORK FILED TO SHOW INSTALLATION OF MECHANICAL SYSTEM IN CELLAR, 1,2.3 AND ROOF AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS AND OCCUPANCY,
Floor / UnitCellar, Floor Number(s) 001 through 003, Roof
Estimated Cost$88,000
ApprovedOctober 15, 2025
IssuedApril 10, 2026
ExpiresFebruary 23, 2027
BBL
BIN

Property Owner

MICKWILLI

Brian Williams

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mechanical systemsPark SlopeBrooklynNYCpermit$50k-$100kHVAC installation