StructuralBrooklynPermit Issued

HVAC System Replacement at 9115 5 Avenue, Brooklyn

9115 5 AVENUE, BROOKLYN, 11209 · Bay Ridge

Estimated Project Cost

$0

Structural

Issued

March 31, 2026

Expires

November 11, 2026

License

General Contractor

About This Project

This permit involves significant structural work related to HVAC systems at 9115 5 Avenue in Brooklyn's Bay Ridge neighborhood. The project entails removing and replacing unit ventilators, exhaust fans, and supply air ductwork, as well as installing new heating and ventilating units and outdoor intake openings.

The permit was issued on March 31, 2026, with an estimated cost of $1,527,422. INFINITY CONTRACTING SERV is the general contractor overseeing this comprehensive HVAC system upgrade.

What This Means For You

Neighbors in Bay Ridge can observe the substantial investment in building systems, with this $1.5 million permit for structural HVAC replacements indicating major upgrades.

The Business That Did This Work

INFINITY CONTRACTING SERV

General Contractor · License #037997

112-20 14TH AVE

26 permits filed · 10 neighborhoods

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Permit Details

Tracking Number708169618
Work Permit #B00674023-I1-MS
Job Filing Number
Work TypeStructural
StatusPermit Issued
Job DescriptionK104_Remove and replace existing unit ventilators, exhaust fans, and supply air ductwork. Provide new unit ventilators, heating and ventilating unit, exhaust fans, supply fans, and electric duct heater. Provide new outdoor intake openings and ductwork.
Floor / UnitCellar, Floor Number(s) 1 through 3, Roof
Estimated Cost$1,527,422
ApprovedMarch 11, 2022
IssuedMarch 31, 2026
ExpiresNovember 11, 2026
BBL
BIN

Property Owner

NYC SCHOOL CONSTRUCTION AUTHORITY

CHARLESTON ALBERT

Related Searches

structuralHVAC replacementBay RidgeBrooklynNew York Cityunit ventilators$1M+

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