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Contractor
NORTH STAR AIR CONDITION*
General Contractor
5 projects with open permitsMANHATTAN · 49BROOKLYN · 1
23 buildings
69
Total Filings
50
Projects on File
23
Buildings Worked
5
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month50 projects all-time
0257Sep '19 · 1Jun '20 · 1Jul '20 · 1Aug '20 · 1Oct '20 · 1Mar '21 · 1Apr '21 · 2May '21 · 1Jun '21 · 1Jul '21 · 1Aug '21 · 1Dec '21 · 2Feb '22 · 1Aug '22 · 2Sep '22 · 1Dec '22 · 1Jan '23 · 1Feb '23 · 1Mar '23 · 1May '23 · 2Sep '23 · 1Nov '23 · 1Dec '23 · 1Apr '24 · 1May '24 · 1Jul '24 · 2Oct '24 · 1Feb '25 · 2Apr '25 · 2May '25 · 1Aug '25 · 2Oct '25 · 1Nov '25 · 1Mar '26 · 6Apr '26 · 2Jul '26 · 12020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit510%
Signed off4590%
By project type
Alteration50
Most active buildings
All buildings →
520 8 AVENUEMANHATTAN · latest 04/06/2026
7 projects
322 8 AVENUEMANHATTAN · 1 open · latest 04/21/2026
6 projects
501 8 AVENUEMANHATTAN · 2 open · latest 08/27/2026
4 projects
740 BROADWAYMANHATTAN · latest 04/11/2024
4 projects
43 WEST 34 STREETMANHATTAN · latest 07/23/2024
3 projects
592 BROADWAYMANHATTAN · latest 12/13/2021
2 projects
Key relationships
Everyone →
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01373535 ↗501 8 AVENUE
MANHATTAN
AlterationPermit Issued07/20/202608/27/2026Propose installation of (1) air-cooled VRF heat pump unit and (2) air handling units. Proposed installation of (1) single frame heat pump u…
M01373590 ↗301 7 AVENUE
MANHATTAN
AlterationSigned-off04/21/202607/13/2026Propose installation of one (1) 3-ton VRF heat pump system. No change in use, egress or occupancy.
M01373619 ↗301 7 AVENUE
MANHATTAN
AlterationSigned-off04/21/202607/13/2026Propose to perform installation of one (1) 5-ton VRF heat pump system. No change in use, egress or occupancy.
M01370303 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off03/27/202604/21/2026Propose installation of (4) air-cooled condensing units. No change to use, egress or occupancy.
M01370289 ↗322 8 AVENUE
MANHATTAN
AlterationPermit Issued03/27/202604/17/2026Propose installation of (2) air-cooled condensing units & (2) air handling units. No change to use, egress or occupancy.
M01370270 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off03/27/202604/16/2026Propose installation of (3) air-cooled condensing units. No change to use, egress or occupancy.
Counts cover all 50 projects (50 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WALTER T. GORMAN, P.E., P.C.4008/03/2026
JACK GREEN ASSOCIATES302/11/2025
M. CHETRIT CONSULTING ENGINEERS P.C303/10/2026
CQ&J CORPORATION202/09/2022
HIGHLAND ASSOCIATES108/11/2023
TWIG CONSULTING ENGINEERS PC111/17/2021
WSP103/18/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GFP REAL ESTATE LLC3408/03/2026
BUCHBINDER & WARREN LLC102/09/2022
GREENE SPACE LLC111/17/2021
NEWMARK103/18/2021
SL GREEN REALTY CORP110/21/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WALTER T. GORMAN, PE, PC3108/03/2026
CONVERSANO ASSOCIATES, INC.102/09/2022
JAM CONSULTANTS, INC.111/17/2021
RIZZO GROUP108/11/2023
50 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 50Open permit 5Signed off 45
50 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01373535 ↗501 8 AVENUE
MANHATTAN
AlterationPermit Issued07/20/202608/27/2026Propose installation of (1) air-cooled VRF heat pump unit and (2) air handling units. Proposed installation of (1) single frame heat pump u…
M01373590 ↗301 7 AVENUE
MANHATTAN
AlterationSigned-off04/21/202607/13/2026Propose installation of one (1) 3-ton VRF heat pump system. No change in use, egress or occupancy.
M01373619 ↗301 7 AVENUE
MANHATTAN
AlterationSigned-off04/21/202607/13/2026Propose to perform installation of one (1) 5-ton VRF heat pump system. No change in use, egress or occupancy.
M01370303 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off03/27/202604/21/2026Propose installation of (4) air-cooled condensing units. No change to use, egress or occupancy.
M01370289 ↗322 8 AVENUE
MANHATTAN
AlterationPermit Issued03/27/202604/17/2026Propose installation of (2) air-cooled condensing units & (2) air handling units. No change to use, egress or occupancy.
M01370270 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off03/27/202604/16/2026Propose installation of (3) air-cooled condensing units. No change to use, egress or occupancy.
M01361252 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off03/27/202604/06/2026Propose installation of (2) air-cooled condensing units. No change to use, egress or occupancy.
M01298440 ↗190 VARICK STREET
MANHATTAN
AlterationPermit Issued03/25/202603/31/2026Propose to file for installation of (23) LG condenser units. No change in use, egress or occupancy.
M01287418 ↗501 8 AVENUE
MANHATTAN
AlterationPermit Issued03/23/202603/26/2026Propose to file for mechanical work for two (2) air-cooled packaged units with ductwork. No change to use, egress or occupancy.
M01203206 ↗630 9 AVENUE
MANHATTAN
AlterationSigned-off10/03/202503/10/2026Propose installation of (1) 16 ton heat pump with (3) 4.5 ton air -handling units, (1) 6 ton unit with (2) 3 ton AC units and (1) ERV. No c…
M01239485 ↗515 MADISON AVENUE
MANHATTAN
AlterationSigned-off11/22/202512/22/2025Propose installation of (1) 20-ton single frame heat pump. No change in use, egress or occupancy.
M01249510 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off08/18/202511/17/2025Propose installation of (2) air cooled condensing units. No change in use, egress or occupancy.
M01251225 ↗630 9 AVENUE
MANHATTAN
AlterationPermit Issued08/18/202509/02/2025Propose demolition of existing AC units including ductwork demolition and installation of new as per drawings. No change in use, egress or o…
M01169184 ↗318 WEST 39 STREET
MANHATTAN
AlterationSigned-off02/11/202506/30/2025Propose to relocate existing ductwork and install new units. No change to use, egress or occupancy.
M01160082 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off04/16/202505/30/2025Propose to perform mechanical work. No change to use, egress or occupancy.
M01199831 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off04/22/202505/21/2025Propose installation of (5) new multizone heat pump units and (1) air cooled packaged unit. No change to use, egress or occupancy.
M01194093 ↗228 5 AVENUE
MANHATTAN
AlterationSigned-off05/12/202505/16/2025Propose to install (1) 6-ton & (1) 8-ton VRF heat pump system. No change in use, egress or occupancy.
M01095316 ↗169 MADISON AVENUE
MANHATTAN
AlterationSigned-off02/04/202502/21/2025Propose installation of (2) 4-ton air cooled condensing units. No change to use, egress or occupancy.
M00991556 ↗23 WEST 47 STREET
MANHATTAN
AlterationSigned-off10/15/202410/17/2024Propose installation of (1) split type air conditioner outdoor unit. No change to use, egress or occupancy.
M01017799 ↗43 WEST 34 STREET
MANHATTAN
AlterationSigned-off07/18/202407/23/2024Propose to install one (1) 16-ton VRV split system, with 6-ton DOAS system and new ductwork. No change to use, egress or occupancy.
M01064834 ↗515 MADISON AVENUE
MANHATTAN
AlterationSigned-off07/11/202407/16/2024Propose installation of (1) new 10-ton heat pump unit and new ductwork. No change in use, egress or occupancy.
M01018506 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off05/07/202405/08/2024Propose installation of new 16-ton VRF split system condenser. No change to use, egress or occupancy.
M00959035 ↗740 BROADWAY
MANHATTAN
AlterationSigned-off04/09/202404/11/2024Propose removal of existing ductwork and installation of new as shown on plans. No change in use, egress or occupancy.
B00948572 ↗134 BROADWAY
BROOKLYN
AlterationSigned-off12/19/202303/01/2024Propose to remove (9) old condensers and replace with (6) new condensers. No change in use, egress or occupancy.
M00939428 ↗190 VARICK STREET
MANHATTAN
AlterationSigned-off11/15/202311/29/2023Propose installation of new ductwork, units and transfer fan. No change to use, egress or occupancy.
M00926993 ↗80 8 AVENUE
MANHATTAN
AlterationSigned-off09/25/202309/29/2023Propose to install (1) 12-ton heat pump unit. No change to use, egress or occupancy.
M00850972 ↗80 8 AVENUE
MANHATTAN
AlterationSigned-off05/16/202306/14/2023Propose to install a new 28-ton dual frame heat pump unit. No change to use, egress or occupancy.
M08030882 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off05/23/202306/13/2023Propose to perform installation of (1) 12-ton Daikin VRF system. No change in use, egress or occupancy.
M00826443 ↗560 BROADWAY
MANHATTAN
AlterationSigned-off03/28/202303/30/2023Propose to install (3) 5-ton VRF split system units. No change to use, egress or occupancy.
M08023156 ↗315 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off02/09/202302/16/2023Mechanical modification taking place on ROF level (EMR RTU) as per plans filed herewith. No Change in use, egress or occupancy.
M08030929 ↗247 WEST 37 STREET
MANHATTAN
AlterationSigned-off01/15/202301/18/2023Propose to install (2) new 5 ton split system units. No change to use, egress or occupancy.
M08024414 ↗740 BROADWAY
MANHATTAN
AlterationSigned-off12/02/202212/20/2022Propose to install (2) new 4-ton split air-cooled condensing unit. No change to use, egress or occupancy.
M00524254 ↗740 BROADWAY
MANHATTAN
AlterationSigned-off09/01/202209/06/2022Propose to install HVAC unit and ductwork. No change in use, egress or occupancy.
M00777240 ↗501 8 AVENUE
MANHATTAN
AlterationSigned-off08/10/202209/06/2022Propose to install new AC/ACCU units with ductwork. No change to use, egress or occupancy.
M00795697 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off08/26/202208/29/2022Propose installation of (1) new 20 ton and (1) new 10 ton air-cooled packaged units. No change to use, egress or occupancy.
M00662376 ↗247 WEST 37 STREET
MANHATTAN
AlterationSigned-off02/25/202203/16/2022Propose installation of (1) new 10 ton HVAC unit. No change to use, egress or occupancy.
M00582053 ↗592 BROADWAY
MANHATTAN
AlterationSigned-off12/03/202112/13/2021Propose installation of structural support. No change to use, egress or occupancy.
M00585092 ↗592 BROADWAY
MANHATTAN
AlterationSigned-off12/03/202112/13/2021Propose to install (1) 25 ton water cooled packed AC unit with associated ductwork. No change to use, egress or occupancy.
M00569458 ↗501 8 AVENUE
MANHATTAN
AlterationSigned-off08/26/202109/03/2021Propose to install new AC/ACCU units. No change to use, egress or occupancy.
M00562788 ↗43 WEST 34 STREET
MANHATTAN
AlterationSigned-off07/28/202107/29/2021Propose to install (1) one new 25 ton air cooled air conditioner. No change to use, egress or occupancy.
M00495518 ↗129 GREENE STREET
MANHATTAN
AlterationSigned-off06/15/202107/14/2021INSTALL NEW AC SPLIT SYSTEMS WITH ASSOCIATED DUCTS AND PIPING.
M00519321 ↗611 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/14/202107/01/2021Propose mechanical modifications, installation of HVAC units at cellar and 001 floors all as per plans herewith filed. No change in use, egr…
M00338655 ↗740 BROADWAY
MANHATTAN
AlterationSigned-off04/26/202105/20/2021Propose to perform demolition of existing ductwork and installation of new ductwork and toilet exhaust. No change in use, egress or occupan…
M00479989 ↗43 WEST 34 STREET
MANHATTAN
AlterationSigned-off03/18/202104/23/2021
Design WSP
Owner NEWMARK
Removal and installation duct work, register for supply and return, exhaust fan in restroom within 5th floor ,all as per plan. No change of …
M00490454 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off04/06/202104/13/2021Amendment filed to submit revised drawing. No change in cost.
M00197362 ↗740 BROADWAY
MANHATTAN
AlterationSigned-off09/04/201902/10/2021Propose to install 8 ton split system AC Unit. No change to use, egress or occupancy. (Lids)
M00405160 ↗711 3 AVENUE
MANHATTAN
AlterationSigned-off10/21/202011/13/2020PROPOSE TO INSTALL (2) 3 TON SPLIT AC SYSTEMS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00352593 ↗740 BROADWAY
MANHATTAN
AlterationSigned-off07/08/202010/19/2020Propose to legalize 15 ton rooftop unit. No change in use, egress or occupancy.
M00352224 ↗322 8 AVENUE
MANHATTAN
AlterationSigned-off08/05/202008/14/2020Propose to file for (2) new package HVAC units and (2) split system HVAC units to connect to existing ductwork. No change in use, egress or…
M00354470 ↗520 8 AVENUE
MANHATTAN
AlterationSigned-off06/18/202007/02/2020Propose to install one (1) new 20-ton HVAC unit. No change in use, egress or occupancy.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
501 8 AVENUE ↗408/30/2026
301 7 AVENUE ↗207/29/2026
322 8 AVENUE ↗607/08/2026
520 8 AVENUE ↗907/08/2026
80 8 AVENUE ↗307/08/2026
129 GREENE STREET ↗107/08/2026
169 MADISON AVENUE ↗107/08/2026
740 BROADWAY ↗307/08/2026
23 WEST 47 STREET ↗107/08/2026
515 MADISON AVENUE ↗207/08/2026
43 WEST 34 STREET ↗507/08/2026
711 3 AVENUE ↗107/08/2026
247 WEST 37 STREET ↗307/08/2026
592 BROADWAY ↗307/08/2026
190 VARICK STREET ↗207/08/2026
740 BROADWAY ↗704/09/2026
630 9 AVENUE ↗204/09/2026
228 5 AVENUE ↗303/21/2026
318 WEST 39 STREET ↗303/21/2026
134 BROADWAY ↗203/21/2026
315 PARK AVENUE SOUTH ↗203/21/2026
611 MADISON AVENUE ↗203/21/2026
560 BROADWAY ↗203/21/2026
▾Documents — 421 on file (BIS + DOB NOW)
▸Plans & Drawings62
▸DOB NOWPlans/Sketch56
09/03/2026M00490454-I1 · 520 8 AVENUERequest digital key ↗
Showing 3 of 56 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems6
09/05/2026M00197362-I1 · 740 BROADWAYRequest digital key ↗
09/04/2026M00354470-I1 · 520 8 AVENUERequest digital key ↗
09/04/2026M00352593-I1 · 740 BROADWAYRequest digital key ↗
Showing 3 of 6 on file for this type
▸Applications & Permits17
▸DOB NOWLPC Approval/Permit15
09/03/2026M00495518-I1 · 129 GREENE STREETOpen ↗
09/03/2026M00495518-P1 · 129 GREENE STREETOpen ↗
09/03/2026M00585092-I1 · 592 BROADWAYOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWHPD Certification Letter or CPC Special Permit2
09/03/2026M00490454-I1 · 520 8 AVENUEOpen ↗
08/13/2026M00490454-P1 · 520 8 AVENUEOpen ↗
▸Seals & Professional Certifications263
▸DOB NOWProgress Inspector Seal & Signature154
09/23/2026M01287418-I1 · 501 8 AVENUEOpen ↗
09/23/2026M01203206-I1 · 630 9 AVENUEOpen ↗
09/23/2026M01287418-I1 · 501 8 AVENUEOpen ↗
Showing 3 of 154 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature61
09/06/2026M01298440-I1 · 190 VARICK STREETOpen ↗
09/04/2026M00354470-I1 · 520 8 AVENUEOpen ↗
09/04/2026M00352224-I1 · 322 8 AVENUEOpen ↗
Showing 3 of 61 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature48
09/23/2026M01203206-I1 · 630 9 AVENUEOpen ↗
09/23/2026M01287418-I1 · 501 8 AVENUEOpen ↗
09/23/2026M08030882-I1 · 520 8 AVENUEOpen ↗
Showing 3 of 48 on file for this type
▸Safety & Tenant Protection16
▸DOB NOWHPD-1: Anti-Harassment Area Checklist10
09/04/2026M00354470-I1 · 520 8 AVENUEOpen ↗
09/03/2026M00490454-I1 · 520 8 AVENUEOpen ↗
08/13/2026M08030882-I1 · 520 8 AVENUEOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist4
08/13/2026M01251225-I1 · 630 9 AVENUEOpen ↗
Showing 1 of 4 on file for this type
▸DOB NOWCertificate of No Harassment2
09/03/2026M00490454-I1 · 520 8 AVENUEOpen ↗
08/13/2026M00490454-P1 · 520 8 AVENUEOpen ↗
▸Environmental & Asbestos50
▸DOB NOWDEP ACP-5: Asbestos Assessment Report49
09/04/2026M00354470-I1 · 520 8 AVENUEOpen ↗
09/04/2026M00352224-I1 · 322 8 AVENUEOpen ↗
09/04/2026M00479989-I1 · 43 WEST 34 STREETOpen ↗
Showing 3 of 49 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/13/2026M00519321-I1 · 611 MADISON AVENUEOpen ↗
▸Energy Compliance10
▸DOB NOWEN2: As Built Energy Analysis.10
09/04/2026M00479989-I1 · 43 WEST 34 STREETOpen ↗
09/03/2026M00495518-I1 · 129 GREENE STREETOpen ↗
09/03/2026M00585092-I1 · 592 BROADWAYOpen ↗
Showing 3 of 10 on file for this type
▸Other Documents3
▸DOB NOWProof of Historic Building3
08/13/2026M00959035-P2 · 740 BROADWAYOpen ↗
08/13/2026M00959035-P1 · 740 BROADWAYOpen ↗
08/13/2026M00959035-I1 · 740 BROADWAYOpen ↗