Permit · B01321858-S1NYC DOB NOWHVAC

9 Prospect Park West

Brooklyn · NY · 11215

What is permit #B01321858-S1 at 9 Prospect Park West, Brooklyn, NY?

9 Prospect Park West in Brooklyn, NY has a hvac permit (#B01321858-S1) filed Wednesday, May 13, 2026 by Blue Water Builders Llc, valued at $25,000. Status: issued.

Issued

Wednesday, May 13, 2026

Filed value

$25,000

Contractor

Blue Water Builders Llc

County

Kings County

Status

issued

§Scope

Work description.

Mechanical modifications to apt 5c

§Details on file

What the city recorded.

Neighborhood

Park Slope

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.

4 other permits at 9 Prospect Park West. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.

Full permit history at this address →

#B01321858-S2PlumbingMay 14, 2026· D.D.S. Mech Pbg&Htg Corp· $26,235
#B01321858-I1RenovationMay 8, 2026· Blue Water Builders Llc· $140,000
#B01227486-I1RenovationMar 30, 2026· J'S Custom Contracting In· $85,350
#B01227486-I1RenovationMar 29, 2026· J'S Custom Contracting In

§More like this

More hvac permits in Brooklyn.

№ 001

Brooklyn, NYPro

Brooklyn · NYHVACB01041388-I1

Filing for mechanical work type in conjunction w/ dob# b00777922, filing for new split system non-duct units.

OwnerDhwXX CkkbContractorMorell Builders Inc

$20,0002dMAY 28

№ 002

Brooklyn, NY