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Contractor
TRISTATE AIR CONDITIONING
General Contractor
5 projects with open permitsMANHATTAN · 32QUEENS · 3BROOKLYN · 1
29 buildings
82
Total Filings
36
Projects on File
29
Buildings Worked
5
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month36 projects all-time
0134Dec '19 · 1Jan '20 · 2Feb '20 · 3Mar '20 · 1May '20 · 1Jun '20 · 1Jul '20 · 2Aug '20 · 1Oct '20 · 2Nov '20 · 2Dec '20 · 1Jan '21 · 2Feb '21 · 2Mar '21 · 1Apr '21 · 1Jun '22 · 2Aug '22 · 1Oct '22 · 1Dec '22 · 1Aug '24 · 1Sep '24 · 1Oct '24 · 1Nov '24 · 1Mar '25 · 1May '25 · 1Nov '25 · 1Apr '26 · 12020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit514%
Signed off3186%
By project type
Alteration36
Most active buildings
All buildings →
650 MADISON AVENUEMANHATTAN · 3 open · latest 05/06/2026
4 projects
1240 BROADWAYMANHATTAN · 1 open · latest 03/24/2020
2 projects
11 WEST 42 STREETMANHATTAN · latest 09/15/2022
2 projects
7 EAST 28 STREETMANHATTAN · latest 03/05/2021
2 projects
298 LAFAYETTE STREETMANHATTAN · latest 08/11/2025
2 projects
200 LIBERTY STREETMANHATTAN · latest 02/17/2021
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01386227 ↗650 MADISON AVENUE
MANHATTAN
AlterationPermit Issued04/14/202605/06/2026Modifications to the existing HVAC ductwork as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress.
M01187941 ↗650 MADISON AVENUE
MANHATTAN
AlterationPermit Issued03/03/202502/27/2026PROPOSED GENERAL CONSTRUCTION WORK ON THE 5th and 7th, and 8th FLOORS AS PER DRAWINGS FILED HERWEITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01187953 ↗650 MADISON AVENUE
MANHATTAN
AlterationPermit Issued11/20/202512/02/2025PROPOSED GENERAL CONSTRUCTION WORK ON THE 6th FLOOR AS PER DRAWINGS FILED HERWEITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01111691 ↗650 MADISON AVENUE
MANHATTAN
AlterationSigned-off09/25/202409/22/2025PROPOSED GENERAL CONSTRUCTION WORK ON THE FIFTH FLOOR AS PER DRAWINGS FILED HERWEITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01166236 ↗298 LAFAYETTE STREET
MANHATTAN
AlterationSigned-off05/02/202508/11/2025Modification to sprinkler head locations and addition of control valves per plans for tenant space A
M01104149 ↗298 LAFAYETTE STREET
MANHATTAN
AlterationSigned-off11/06/202408/07/2025Structural work related to new elevator and stair.
Counts cover all 36 projects (36 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
OLA CONSULTING ENGINEERS, PC404/14/2026
ROBERT DERECTOR ASSOCIATES403/23/2023
ENV ARCHITECTS, DPC311/20/2025
WB ENGINEERS & CONSULTANTS PLLC312/12/2022
2LS CONSULTING ENGINEERING, DPC201/29/2021
COLLECTIVE DESIGN ASSOCIATIES208/08/2022
COSENTINI ASSOCIATES210/22/2024
MG ENGINEERING D.P.C.207/12/2021
STUDIO 5 PARTNERSHIP205/15/2025
WSP205/15/2025
AKF ENGINEERS, LLP112/04/2019
AMA CONSULTING ENGINEERS, PC111/16/2023
CFS ENGINEERING, DPC111/09/2020
CLIFFORD DIAS, PE, PC107/22/2020
CORE STATES GROUP111/23/2022
FRENCH & PARRELLO ASSOCIATES102/10/2025
GENSLER102/10/2025
GOLDMAN COPELAND ASSOCIATES110/26/2020
JFK&M CONSULTING ENGINEERS105/13/2024
KARACOBAN ENGINEERING PC102/07/2020
M. CHETRIT CONSULTING ENGINEERS P.C101/21/2020
PATTI & ANTHES CONSULTING ENGINEERS104/20/2021
SIDERIS KEFALAS ENGINEERS PC106/03/2021
STANTEC111/23/2020
STEVEN PAUL HAMMER109/15/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ABCO-PEERLESS SPRKLR CORP311/20/2025
BENCHMARK BUILDERS LLC311/20/2025
GEORGE BRESLAW PLBNG LLC311/20/2025
BEDROCK MECHANICAL INC205/15/2025
PLAZA CONSTRUCTION LLC205/15/2025
BEDROCK PLBG. & HTG., INC105/05/2025
BOCA FIRE PRODUCTS LLC102/10/2025
CONCEPT CONSTRUCTION SERV108/28/2020
DUO PLUMBING & HTG CORP.105/15/2025
GREGOR INDUSTRIES INC102/10/2025
L&K PARTNERS, INC111/23/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
VORNADO REALTY TRUST404/14/2026
SL GREEN REALTY CORP312/12/2022
111 Wall GC LLC205/15/2025
TISHMAN SPEYER206/17/2022
1250 BROADWAY ASSOCIATES LLC101/16/2020
277 PARK AVENUE, LLC103/23/2023
304 GC LLC106/03/2021
410 PARK AVENUE ASSOCIATES LLP104/20/2021
885 SECOND AVENUE LESSEE LLC110/26/2020
ATLAS CAPITAL GROUP LLC107/12/2021
BOSTON PROPERTIES112/04/2019
Brookfield operated by CBRE111/09/2020
HINES INTERESTS LIMITED PARTNERSHIP111/23/2020
JLL103/01/2021
JSRE MANAGEMENT102/10/2025
NEW WATER STREET CORP111/16/2023
NEW YORK PUBLIC LIBRARY105/13/2024
PIEDMONT OFFICE MANAGEMENT112/10/2020
ROCKEFELLER CENTER NORTH INC.102/11/2021
THE NEW YORK HOTEL TRADES COUNCIL H110/22/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BURNHAM NATIONWIDE INC404/14/2026
RIZZO GROUP412/12/2022
WILLIAM VITACCO ASSOCIATES305/15/2025
A1 EXPEDITING SERVICE CORP.210/22/2024
BOHLER ENGINEERING111/23/2022
BROOKBRIDGE CONSULTING102/15/2021
CAESAR BUSTAMANTE, AIA111/16/2023
GARO GUMUSYAN104/20/2021
PROJECT EXPEDITERS CONSULTING CO.102/10/2025
36 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 36Open permit 5Signed off 31
36 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01386227 ↗650 MADISON AVENUE
MANHATTAN
AlterationPermit Issued04/14/202605/06/2026Modifications to the existing HVAC ductwork as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress.
M01187941 ↗650 MADISON AVENUE
MANHATTAN
AlterationPermit Issued03/03/202502/27/2026PROPOSED GENERAL CONSTRUCTION WORK ON THE 5th and 7th, and 8th FLOORS AS PER DRAWINGS FILED HERWEITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01187953 ↗650 MADISON AVENUE
MANHATTAN
AlterationPermit Issued11/20/202512/02/2025PROPOSED GENERAL CONSTRUCTION WORK ON THE 6th FLOOR AS PER DRAWINGS FILED HERWEITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01111691 ↗650 MADISON AVENUE
MANHATTAN
AlterationSigned-off09/25/202409/22/2025PROPOSED GENERAL CONSTRUCTION WORK ON THE FIFTH FLOOR AS PER DRAWINGS FILED HERWEITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01166236 ↗298 LAFAYETTE STREET
MANHATTAN
AlterationSigned-off05/02/202508/11/2025Modification to sprinkler head locations and addition of control valves per plans for tenant space A
M01104149 ↗298 LAFAYETTE STREET
MANHATTAN
AlterationSigned-off11/06/202408/07/2025Structural work related to new elevator and stair.
Q01114812 ↗37-11 QUEENS BOULEVARD
QUEENS
AlterationSigned-off10/22/202401/03/2025MH FILING AS PER PLANS.
M01062754 ↗550 5 AVENUE
MANHATTAN
AlterationSigned-off08/06/202410/31/2024Replace and relocate diffuser and register for Bank of America.
M00343081 ↗535 WEST 179 STREET
MANHATTAN
AlterationSigned-off05/07/202010/19/2023mechanical plans in conjunction with alt 1 # 121207880 & Boiler filing M00858496 -- NYPL FORT WASHINGTON
M08040182 ↗304 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off12/12/202212/20/2022Installation of a new HVAC system on the 9th and 10th floors (Endeavor/WME) as per plans. No change to use, egress or occupancy.
M00345873 ↗287 BROADWAY
MANHATTAN
AlterationSigned-off12/11/202012/09/2022Installation of HVAC units and associated duct work and piping. No change in use, egress, or occupancy.
M08004187 ↗43 WATER STREET
MANHATTAN
AlterationSigned-off10/06/202210/10/2022Modification of Mechanical Systems on 46th and 47th Floors (MJHS)
M00731959 ↗277 PARK AVENUE
MANHATTAN
AlterationSigned-off06/15/202209/15/2022Addition and modifications to existing HVAC system and related ducts and piping. No change in use, egress or occupancy.
M00739962 ↗11 WEST 42 STREET
MANHATTAN
AlterationSigned-off08/08/202209/15/2022Modifications to the existing HVAC System; Install new spiral ductwork and new VAV's on the 15th Floor as per plans (Capitolis - Buildout Ph…
M00754968 ↗11 WEST 42 STREET
MANHATTAN
AlterationSigned-off06/17/202207/02/2022Modifications to the existing HVAC System: Disconnect & remove existing ductwork and piping on the 15th Floor as per plans (Capitolis - Demo…
M00210940 ↗1459 BROADWAY
MANHATTAN
AlterationSigned-off12/04/201911/16/2021Modification to existing HVAC system as shown on drawings filed herewith. No change in use, egress or occupancy.
B00324574 ↗451 CLARKSON AVENUE
BROOKLYN
AlterationSigned-off07/13/202009/28/2021Mechanical installation of a portion of the third floor for specialty clinic. PAA description in comments
M00503700 ↗410 PARK AVENUE
MANHATTAN
AlterationSigned-off04/20/202105/13/2021AT 6TH FLOOR SUITE #600, MODIFICATIONS TO EXISTING MECHANICAL SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE TO OCCUPANCY OR MEANS OF EGRESS.
M00468646 ↗75 9 AVENUE
MANHATTAN
AlterationSigned-off03/01/202103/12/2021
Owner JLL
Mechanical modifications taking place on the 3rd floor as per plans filed herewith. No change to use, egress nor occupancy
M00448920 ↗7 EAST 28 STREET
MANHATTAN
AlterationSigned-off01/29/202103/05/2021Mechanical work as shown on plans.
M00453078 ↗485 LEXINGTON AVENUE
MANHATTAN
AlterationSigned-off02/15/202102/23/2021Modifications to the existing HVAC system on the 9th floor (Suite 901) as per plans. No change to use, egress or occupancy.
M00431750 ↗200 LIBERTY STREET
MANHATTAN
AlterationSigned-off02/11/202102/17/2021Mechanical work as shown on plans.
Q00439946 ↗47-07 30 PLACE
QUEENS
AlterationSigned-off01/26/202102/12/2021Mechanical alteration for the LiveOnNY space on the 9th floor and roof as per plans filed herewith,
M00411739 ↗885 2 AVENUE
MANHATTAN
AlterationSigned-off10/26/202012/04/2020MECHANICAL MODIFICATIONS ASSOCIATED WITH OFFICE RENOVATION
M00349027 ↗711 3 AVENUE
MANHATTAN
AlterationSigned-off08/28/202012/03/2020FILING HEREWITH MECHANICAL AS PER PLANS. NO CHANGE IN USE EGRESS OR OCCUPANCY.
M00408320 ↗1095 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off11/23/202012/02/2020
Design STANTEC
Modifications to the existing HVAC System; Supply and Exhaust ductwork to/from base building as per plans (Demo, Whitebox & Restrooms.) No c…
M00418139 ↗1 LIBERTY PLAZA
MANHATTAN
AlterationSigned-off11/09/202011/16/2020MODIFICATION TO EXISTING MECHANICAL SYSTEM AS PER PLANS FULED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00340811 ↗1230 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off07/22/202010/26/2020FILING FOR MECHANICAL WORK ASSOCIATED WITH THE INTERIOR OFFICE RENOVATIONS ON THE 23RD FLOOR AS SHOWN ON PLANS FILED HEREWITH. NO CHANGE IN …
Q00373682 ↗40-31 82 STREET
QUEENS
AlterationSigned-off10/12/202010/20/2020INSTALLATION OF MECHANICAL WORK, AS PER PLANS. FILED IN CONJUNCTION WITH ALT.II 440609432.
M00327646 ↗1271 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/18/202009/21/2020INSTALLATION OF NEW HVAC SYSTEM ON THE 20TH AND 21ST FLOORS (GREENHILL & CO.) AS PER PLANS. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00285881 ↗375 PEARL STREET
MANHATTAN
AlterationSigned-off02/21/202009/10/2020Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application
M00292433 ↗60 BROAD STREET
MANHATTAN
AlterationSigned-off02/28/202009/03/2020Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M00361183 ↗7 EAST 28 STREET
MANHATTAN
AlterationSigned-off06/25/202009/03/2020Proposed mechanical work as per plan provided.
M00296424 ↗1240 BROADWAY
MANHATTAN
AlterationPermit Issued01/21/202003/24/2020AT 26TH FLOOR, ADDITIONS/MODIFICATIONS TO EXISTING MECHANICAL SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00296087 ↗225 LIBERTY STREET
MANHATTAN
AlterationSigned-off02/07/202003/06/2020Removal of existing HVAC ducts and piping and installation of HVAC ducts and piping and chilled water air handler as indicated on plans.
M00293015 ↗1240 BROADWAY
MANHATTAN
AlterationSigned-off01/16/202001/30/2020AT 2ND FLOOR, MODIFICATIONS TO EXISTING MECHANICAL SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
650 MADISON AVENUE ↗707/08/2026
277 PARK AVENUE ↗207/08/2026
711 3 AVENUE ↗107/08/2026
410 PARK AVENUE ↗107/08/2026
535 WEST 179 STREET ↗607/08/2026
225 LIBERTY STREET ↗107/08/2026
11 WEST 42 STREET ↗507/08/2026
885 2 AVENUE ↗107/08/2026
43 WATER STREET ↗107/08/2026
1271 AVENUE OF THE AMER ↗407/08/2026
451 CLARKSON AVENUE ↗207/08/2026
375 PEARL STREET ↗107/08/2026
7 EAST 28 STREET ↗507/08/2026
550 5 AVENUE ↗107/08/2026
298 LAFAYETTE STREET ↗207/08/2026
1230 AVENUE OF THE AMER ↗107/08/2026
287 BROADWAY ↗407/08/2026
37-11 QUEENS BOULEVARD ↗207/08/2026
1459 BROADWAY ↗107/01/2026
1 LIBERTY PLAZA ↗104/09/2026
1095 AVENUE OF THE AMER ↗303/21/2026
75 9 AVENUE ↗303/21/2026
60 BROAD STREET ↗603/21/2026
485 LEXINGTON AVENUE ↗303/21/2026
304 PARK AVENUE SOUTH ↗303/21/2026
200 LIBERTY STREET ↗303/21/2026
1240 BROADWAY ↗603/21/2026
40-31 82 STREET ↗303/21/2026
47-07 30 PLACE ↗303/21/2026
▾Documents — 466 on file (BIS + DOB NOW)
▸Plans & Drawings81
▸DOB NOWPlans/Sketch46
09/04/2026M00468646-I1 · 75 9 AVENUERequest digital key ↗
09/03/2026M00503700-I1 · 410 PARK AVENUERequest digital key ↗
09/02/2026M00731959-I1 · 277 PARK AVENUERequest digital key ↗
Showing 3 of 46 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems35
09/05/2026M00210940-I1 · 1459 BROADWAYRequest digital key ↗
09/05/2026M00293015-I1 · 1240 BROADWAYRequest digital key ↗
09/05/2026M00296424-I1 · 1240 BROADWAYRequest digital key ↗
Showing 3 of 35 on file for this type
▸Applications & Permits15
▸DOB NOWLPC Approval/Permit15
09/04/2026M00340811-I1 · 1230 AVENUE OF THE AMEROpen ↗
08/25/2026M01104149-I1 · 298 LAFAYETTE STREETOpen ↗
08/25/2026M01104149-S2 · 298 LAFAYETTE STREETOpen ↗
Showing 3 of 15 on file for this type
▸Seals & Professional Certifications263
▸DOB NOWProgress Inspector Seal & Signature128
09/23/2026M01187953-S1 · 650 MADISON AVENUEOpen ↗
09/23/2026M01187953-S1 · 650 MADISON AVENUEOpen ↗
09/23/2026M01187953-S1 · 650 MADISON AVENUEOpen ↗
Showing 3 of 128 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature76
09/05/2026M00293015-I1 · 1240 BROADWAYOpen ↗
09/05/2026M00296424-I1 · 1240 BROADWAYOpen ↗
09/05/2026M00285881-I1 · 375 PEARL STREETOpen ↗
Showing 3 of 76 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature59
09/23/2026M01187953-S1 · 650 MADISON AVENUEOpen ↗
09/21/2026M01187941-P7 · 650 MADISON AVENUEOpen ↗
09/20/2026M01104149-P4 · 298 LAFAYETTE STREETOpen ↗
Showing 3 of 59 on file for this type
▸Safety & Tenant Protection4
▸DOB NOWTenant Protection Plan4
09/04/2026M00448920-I1 · 7 EAST 28 STREETOpen ↗
08/13/2026M00361183-I1 · 7 EAST 28 STREETOpen ↗
08/13/2026M00345873-I1 · 287 BROADWAYOpen ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos70
▸DOB NOWDEP ACP-5: Asbestos Assessment Report49
09/05/2026M00293015-I1 · 1240 BROADWAYOpen ↗
09/05/2026M00296424-I1 · 1240 BROADWAYOpen ↗
09/05/2026M00285881-I1 · 375 PEARL STREETOpen ↗
Showing 3 of 49 on file for this type
▸DOB NOWOER: Notice to Proceed9
09/03/2026M00503700-I1 · 410 PARK AVENUEOpen ↗
08/13/2026M00453078-I1 · 485 LEXINGTON AVENUEOpen ↗
08/13/2026M01166236-S1 · 298 LAFAYETTE STREETOpen ↗
Showing 3 of 9 on file for this type
▸DOB NOWOER: Notice of Satisfaction9
09/03/2026M00503700-I1 · 410 PARK AVENUEOpen ↗
08/13/2026M00453078-I1 · 485 LEXINGTON AVENUEOpen ↗
08/13/2026M01166236-I1 · 298 LAFAYETTE STREETOpen ↗
Showing 3 of 9 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
09/04/2026M00340811-I1 · 1230 AVENUE OF THE AMEROpen ↗
09/02/2026M00739962-I1 · 11 WEST 42 STREETOpen ↗
08/13/2026M00292433-I1 · 60 BROAD STREETOpen ↗
▸Energy Compliance12
▸DOB NOWEN2: As Built Energy Analysis.9
09/04/2026M00340811-I1 · 1230 AVENUE OF THE AMEROpen ↗
09/04/2026M00448920-I1 · 7 EAST 28 STREETOpen ↗
09/03/2026M00503700-I1 · 410 PARK AVENUEOpen ↗
Showing 3 of 9 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification3
08/13/2026Q00439946-I1 · 47-07 30 PLACEOpen ↗
08/13/2026M00285881-I1 · 375 PEARL STREETOpen ↗
08/13/2026M08040182-I1 · 304 PARK AVENUE SOUTHOpen ↗
▸Approvals, Objections & Sign-offs18
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)8
09/03/2026M00343081-I1 · 535 WEST 179 STREETOpen ↗
09/03/2026M00343081-P3 · 535 WEST 179 STREETOpen ↗
08/13/2026M00296087-I1 · 225 LIBERTY STREETOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter7
09/03/2026M00343081-P3 · 535 WEST 179 STREETOpen ↗
09/03/2026M00343081-I1 · 535 WEST 179 STREETOpen ↗
Showing 2 of 7 on file for this type
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)2
08/13/2026M00296087-I1 · 225 LIBERTY STREETOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWDEP Variance (V5) letter1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents3
▸DOB NOWLoft Board Certificate2
08/13/2026M00345873-P1 · 287 BROADWAYOpen ↗
08/13/2026M00345873-I1 · 287 BROADWAYOpen ↗
▸DOB NOWDHCR Document1
09/04/2026M00448920-I1 · 7 EAST 28 STREETOpen ↗