Permit · M01375703-S1NYC DOB NOWHVAC

400 East 84 Street

Manhattan · NY · 10028

What is permit #M01375703-S1 at 400 East 84 Street, Manhattan, NY?

400 East 84 Street in Manhattan, NY has a hvac permit (#M01375703-S1) filed Thursday, May 14, 2026 by Keystone Builders Group*, valued at $10,000. Status: issued.

Issued

Thursday, May 14, 2026

Filed value

$10,000

Contractor

Keystone Builders Group*

County

New York County

Status

issued

§Scope

Work description.

Mechanical work for the renovation to existing unit ph1b as per plans filed herewith. no change to use, egress, or occupancy.

§Details on file

What the city recorded.

Neighborhood

Upper East Side-Yorkville

Work type

Mechanical Systems

Filing reason

Initial Permit

§Where

Plotted on the map.

§Behind the paywall

Owner contacts & project team.

§Same address

Other permits at this property.

10 other permits at 400 East 84 Street. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.

Full permit history at this address →

#M01092673-S7HVACMay 21, 2026· Keystone Builders Group*· $150,000
#M01374440-S1HVACMay 15, 2026· Keystone Builders Group*· $70,000
#M01375688-S2PlumbingMay 13, 2026· Demar Mechanical Inc· $40,000
#M01374440-S2PlumbingMay 13, 2026· Demar Mechanical Inc· $70,000

§More like this

More hvac permits in Manhattan.

№ 001

500 West 218 StreetPro

Manhattan · NY · 10034HVACM01409505-I1

Installation of temporary overhead protection as per plans. no change in use, egress or occupancy.

OwnerXrkCR GtHJpKZContractorCore Scaffold Systems Inc

$4,0001wJUN 1

№ 002

2 Horatio Street