Permit · M01352938-S1NYC DOB NOWHVAC

340 Madison Avenue

Manhattan · NY · 10173

What is permit #M01352938-S1 at 340 Madison Avenue, Manhattan, NY?

340 Madison Avenue in Manhattan, NY has a hvac permit (#M01352938-S1) filed Tuesday, March 10, 2026 by Mass Contracting Corp, valued at $22,080. Status: issued.

Issued

Tuesday, March 10, 2026

Filed value

$22,080

Contractor

Mass Contracting Corp

County

New York County

Status

issued

§Scope

Work description.

Mechanical modifications taking place on the 21st floor as per plans filed herewith. No change in use, egress oroccupancy

§Details on file

What the city recorded.

Neighborhood

Midtown-Times Square

Work type

Mechanical Systems

Filing reason

Initial Permit

§Where

Plotted on the map.

§Same address

Other permits at this property.

10 other permits at 340 Madison Avenue. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.

Full permit history at this address →

#M01389284-S2OtherMay 11, 2026· Full Capacity Fire Corp· $17,851
#M01385161-S3OtherMay 7, 2026· Armon Mechanical Inc· $15,000
#M01385161-S2PlumbingMay 7, 2026· Armon Mechanical Inc· $25,000
#M01389284-I1OtherMay 5, 2026· Reidy Contracting Group· $1,052,241

§More like this

More hvac permits in Manhattan.

№ 001

Manhattan, NYPro

Manhattan · NYHVACM01287961-S2

Mechanical work to accommodate new tenant at existing commercial space. New HVAC. No change to use egress or occupancy.

OwneraNxpKpN xTqKRMWContractorMetro Mechanical Llc

$25,0002dMAY 28

№ 002

Manhattan, NY