Mechanical SystemsBrooklynPermit Issued

Mechanical Systems Work at 448 14 Street, Brooklyn

448 14 STREET, BROOKLYN, 11215 · Park Slope

Estimated Project Cost

$0

Mechanical Systems

Issued

June 9, 2026

Expires

April 26, 2027

License

General Contractor

About This Project

This permit covers significant mechanical system upgrades, specifically a new HVAC system, as part of converting a two-family residence into a single-family home in the Park Slope neighborhood of Brooklyn.

The permit was issued on June 9, 2026, with an estimated project cost of $22,000. The general contractor for this mechanical work is EXTRAORDINAIR HEATING.

What This Means For You

Homeowners in Park Slope considering HVAC upgrades for a similar conversion can expect project costs around $22,000.

The Business That Did This Work

EXTRAORDINAIR HEATING

General Contractor · License #622875

5815 74TH STREET

1 permits filed · 1 neighborhood

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Permit Details

Tracking Number191857524
Work Permit #B01096531-S2-MS
Job Filing Number
Work TypeMechanical Systems
StatusPermit Issued
Job DescriptionMECHANICAL WOK FILED IN CONJUNCTION WITH THE CONVERSION OF TWO FAMILY RESIDENCE TO ONE FAMILY. NEW HVAC.
Floor / UnitFloor Number(s)-1-SO-5061-B01096531-I1, Cellar-SO-6074-B01096531-I1, Floor Number(s)-2-SO-1444-B01096531-I1, Basement-SO-4402-B01096531-I1, Roof
Estimated Cost$22,000
ApprovedMay 12, 2025
IssuedJune 9, 2026
ExpiresApril 26, 2027
BBL
BIN

Property Owner

Not Applicable

Caroline Harvey

Related Searches

HVAC installationhome conversionPark SlopeBrooklynmechanical systems$20,000-$30,000

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