Permit · B01383256-I1NYC DOB NOWHVAC

621 Mayfair Drive

Brooklyn · NY · 11234

What is permit #B01383256-I1 at 621 Mayfair Drive, Brooklyn, NY?

621 Mayfair Drive in Brooklyn, NY has a hvac permit (#B01383256-I1) filed Thursday, April 23, 2026 by Tristate Maintenance & Se, valued at $32,551. Status: issued.

Issued

Thursday, April 23, 2026

Filed value

$32,551

Contractor

Tristate Maintenance & Se

County

Kings County

Status

issued

§Scope

Work description.

Filing to replace existing gas furnace and condensing units. Minor plumbing work to be filed subsequently. No change to use, egress or occupancy.

§Details on file

What the city recorded.

Neighborhood

Marine Park-Mill Basin-Bergen Beach

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.

1 other permit at 621 Mayfair Drive. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.

Full permit history at this address →

#B01383256-S1HVACApr 29, 2026· Prostar Plumbing And Heat· $6,000

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