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Mechanical SystemsManhattanPermit issued

HVAC System Modifications at 156 5 Avenue, Manhattan

156 5 AVENUE, Manhattan, 10010 · Midtown South-Flatiron-Union Square

Winston

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Reported project cost

$175,000

As declared on the permit filing. Mechanical Systems.

Issued
July 29, 2026
Expires
April 1, 2027
License
General Contractor

What was permitted

This project involved significant upgrades to the existing HVAC system and associated piping across the 3rd and 4th floors of office suites. Homeowners and neighbors can see how extensive mechanical system work in commercial spaces can impact project costs.

The permit for this work was issued on July 29, 2026, with an estimated project cost of $174,999.96. ALWYN SZALA (GC) was the contractor for this mechanical systems project.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number506712573
Work permit #M01306771-S1-MS
Job filing number—
Work typeMechanical Systems
StatusPermit Issued
Job descriptionModifications to existing HVAC system and related piping for 3rd & 4th floor existing office suites. No change in use, egress or occupancy.
Floor / unitFloor Number(s) 3 through 4
Estimated cost$175,000
ApprovedDecember 29, 2025
IssuedJuly 29, 2026
ExpiresApril 1, 2027
BBL—
BIN—

Property owner

Hrc Corporation

Eli Haddad

Related searches

HVAC renovationoffice suiteMidtown South-Flatiron-Union SquareNew York Citymechanical systems permit$100k-$200kcommercial construction