COMPANY RECORD · NEW YORK, NY
Tristate Air Conditioning — permit history in New York, NY
Tristate Air Conditioning appears on 35 New York permit records from 2020 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 35 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 6 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Busiest year on record: 2020, with 12 permits. One project can account for several filings, so read this as filing activity rather than workload.
Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| Benchmark Builders LLC | 3 | 2025-12-02 |
| Plaza Construction LLC | 2 | 2025-08-07 |
| Gregor Industries Inc | 1 | 2024-08-28 |
3 companies are named alongside Tristate Air Conditioning on the same New York permit. A shared permit is a documented co-appearance, not proof of a current contract. Names appear as the authority published them.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 650 MADISON AVENUE | 2026-05-06 |
| 300 LAFAYETTE STREET | 2025-08-07 |
| 37-11 QUEENS BOULEVARD | 2024-11-27 |
| 550 5 AVENUE | 2024-08-28 |
| 304 PARK AVENUE SOUTH | 2022-12-20 |
| 55 WATER STREET | 2022-10-10 |
| 11 WEST 42 STREET | 2022-08-16 |
| 277 PARK AVENUE | 2022-06-28 |
| 535 WEST 179 STREET | 2022-04-22 |
| 7 TIMES SQUARE | 2021-11-16 |
| 410 PARK AVENUE | 2021-05-13 |
| 75 NINTH AVENUE | 2021-03-12 |
| 10 EAST 29 STREET | 2021-03-05 |
| 485 LEXINGTON AVENUE | 2021-02-23 |
29 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $9,000 to $5,200,000, median $199,982. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
35 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| M01386227-I1-MS | 2026-05-06 | Mechanical / HVAC | 650 MADISON AVENUE | Modifications to the existing HVAC ductwork as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress. | $20,000 |
| M01187953-S1-MS | 2025-12-02 | Mechanical / HVAC | 650 MADISON AVENUE | Modifications to the Mechanical System on the 6th floor as per plans submitted herewith. | $620,000 |
| M01104149-S1-MS | 2025-08-07 | Mechanical / HVAC | 300 LAFAYETTE STREET | Mechanical work as shown on plans for tenant space B & C | $40,000 |
| M01166236-S1-MS | 2025-08-07 | Mechanical / HVAC | 300 LAFAYETTE STREET | Modification of mechanical systems for tenant space A | $9,000 |
| M01187941-S1-MS | 2025-03-07 | Mechanical / HVAC | 650 MADISON AVENUE | Mechanical Systems alterations on the 5th and 7th Floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress. | $450,000 |
| Q01114812-I1-MS | 2024-11-27 | Mechanical / HVAC | 37-11 QUEENS BOULEVARD | MH FILING AS PER PLANS. | $550,000 |
| M01111691-S1-MS | 2024-10-11 | Mechanical / HVAC | 650 MADISON AVENUE | Mechanical Systems alterations on the 5th Floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress. | $620,000 |
| M01062754-S2-MS | 2024-08-28 | Mechanical / HVAC | 550 5 AVENUE | Replace and relocate diffuser and register for Bank of America. | $47,506 |
| M08040182-I1-MS | 2022-12-20 | Mechanical / HVAC | 304 PARK AVENUE SOUTH | Installation of a new HVAC system on the 9th and 10th floors (Endeavor/WME) as per plans. No change to use, egress or occupancy. | $551,196 |
| M08004187-I1-MS | 2022-10-10 | Mechanical / HVAC | 55 WATER STREET | Modification of Mechanical Systems on 46th and 47th Floors (MJHS) | $1,410,000 |
| M00739962-I1-MS | 2022-08-16 | Mechanical / HVAC | 11 WEST 42 STREET | Modifications to the existing HVAC System; Install new spiral ductwork and new VAV's on the 15th Floor as per plans (Capitolis - Buildout Phase.) No change to use, egress or occupa | $310,675 |
| M00754968-I1-MS | 2022-07-02 | Mechanical / HVAC | 11 WEST 42 STREET | Modifications to the existing HVAC System: Disconnect & remove existing ductwork and piping on the 15th Floor as per plans (Capitolis - Demo Phase.) No change to use, egress or occ | $9,600 |
| M00731959-I1-MS | 2022-06-28 | Mechanical / HVAC | 277 PARK AVENUE | Addition and modifications to existing HVAC system and related ducts and piping. No change in use, egress or occupancy. | $899,997 |
| M00343081-I1-MS | 2022-04-22 | Mechanical / HVAC | 535 WEST 179 STREET | mechanical plans in conjunction with alt 1 # 121207880 & Boiler filing M00858496 -- NYPL FORT WASHINGTON | $2,000,000 |
| M00210940-I1-MS | 2021-11-16 | Mechanical / HVAC | 7 TIMES SQUARE | Modification to existing HVAC system as shown on drawings filed herewith. No change in use, egress or occupancy. | $140,000 |
| M00503700-I1-MS | 2021-05-13 | Mechanical / HVAC | 410 PARK AVENUE | AT 6TH FLOOR SUITE #600, MODIFICATIONS TO EXISTING MECHANICAL SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE TO OCCUPANCY OR MEANS OF EGRESS. | $65,000 |
| M00468646-I1-MS | 2021-03-12 | Mechanical / HVAC | 75 NINTH AVENUE | Mechanical modifications taking place on the 3rd floor as per plans filed herewith. No change to use, egress nor occupancy | $17,500 |
| M00448920-I1-MS | 2021-03-05 | Mechanical / HVAC | 10 EAST 29 STREET | Mechanical work as shown on plans. | $212,444 |
| M00453078-I1-MS | 2021-02-23 | Mechanical / HVAC | 485 LEXINGTON AVENUE | Modifications to the existing HVAC system on the 9th floor (Suite 901) as per plans. No change to use, egress or occupancy. | $60,000 |
| B00324574-I1-MS | 2021-02-22 | Mechanical / HVAC | 541 CLARKSON AVENUE | Mechanical installation of a portion of the third floor for specialty clinic. PAA description in comments | $958,089 |
| M00431750-I1-MS | 2021-02-17 | Mechanical / HVAC | 200 LIBERTY STREET | Mechanical work as shown on plans. | $80,000 |
| Q00439946-I1-MS | 2021-02-12 | Mechanical / HVAC | 30-30 47 AVENUE | Mechanical alteration for the LiveOnNY space on the 9th floor and roof as per plans filed herewith, | $1,499,680 |
| M00345873-I1-MS | 2021-01-25 | Mechanical / HVAC | 287 BROADWAY | Installation of HVAC units and associated duct work and piping. No change in use, egress, or occupancy. | $80,000 |
| M00411739-I1-MS | 2020-12-04 | Mechanical / HVAC | 885 2 AVENUE | MECHANICAL MODIFICATIONS ASSOCIATED WITH OFFICE RENOVATION | $21,920 |
| M00408320-I1-MS | 2020-12-02 | Mechanical / HVAC | 1095 SIXTH AVENUE | Modifications to the existing HVAC System; Supply and Exhaust ductwork to/from base building as per plans (Demo, Whitebox & Restrooms.) No change to use, egress or occupancy. | $59,800 |
| M00418139-I1-MS | 2020-11-16 | Mechanical / HVAC | 1 LIBERTY PLAZA | MODIFICATION TO EXISTING MECHANICAL SYSTEM AS PER PLANS FULED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $100,000 |
| M00340811-I1-MS | 2020-10-26 | Mechanical / HVAC | 1 ROCKEFELLER PLAZA | FILING FOR MECHANICAL WORK ASSOCIATED WITH THE INTERIOR OFFICE RENOVATIONS ON THE 23RD FLOOR AS SHOWN ON PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $131,700 |
| Q00373682-I1-MS | 2020-10-20 | Mechanical / HVAC | 40-31 82 STREET | INSTALLATION OF MECHANICAL WORK, AS PER PLANS. FILED IN CONJUNCTION WITH ALT.II 440609432. | $610,000 |
| M00285881-I1-MS | 2020-09-10 | Mechanical / HVAC | 375 PEARL STREET | Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application | $2,250,000 |
| M00361183-I1-MS | 2020-07-29 | Mechanical / HVAC | 10 EAST 29 STREET | Proposed mechanical work as per plan provided. | $199,982 |
| M00327646-I1-MS | 2020-06-22 | Mechanical / HVAC | 1271 AVENUE OF THE AMERICAS | INSTALLATION OF NEW HVAC SYSTEM ON THE 20TH AND 21ST FLOORS (GREENHILL & CO.) AS PER PLANS. NO CHANGE TO USE, EGRESS OR OCCUPANCY. | $3,846,500 |
| M00292433-I1-MS | 2020-06-15 | Mechanical / HVAC | 60 BROAD STREET | Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application. | $5,200,000 |
| M00296424-I1-MS | 2020-03-24 | Mechanical / HVAC | 1250 BROADWAY | AT 26TH FLOOR, ADDITIONS/MODIFICATIONS TO EXISTING MECHANICAL SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY. | $88,000 |
| M00296087-I1-MS | 2020-03-06 | Mechanical / HVAC | 225 LIBERTY STREET | Removal of existing HVAC ducts and piping and installation of HVAC ducts and piping and chilled water air handler as indicated on plans. | $94,797 |
| M00293015-I1-MS | 2020-01-30 | Mechanical / HVAC | 1250 BROADWAY | AT 2ND FLOOR, MODIFICATIONS TO EXISTING MECHANICAL SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY. | $408,000 |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public New York permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →