COMPANY RECORD · NEW YORK, NY
Gannon Contracting LLC — permit history in New York, NY
Gannon Contracting LLC appears on 234 New York permit records from 2019 through 2026, most often mechanical / hvac (51.3% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 121 | 51.3% |
| General construction | 115 | 48.7% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 26 |
| 2022 | 55 |
| 2023 | 50 |
| 2024 | 41 |
| 2025 | 32 |
| 2026 | 12 |
Busiest year on record: 2022, with 55 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 |
|---|---|---|
| A&A Plumbing Corp | 4 | 2026-08-26 |
| Midnight Express Mech Crp | 4 | 2026-08-25 |
| Denko Mechanical Inc | 1 | 2024-02-01 |
| Dependable Mech Corp | 1 | 2026-06-11 |
| Dependable Mechanical Cor | 1 | 2026-06-11 |
| Geoffrey A. Lagas & Assoc | 1 | 2023-11-01 |
| Par Fire Protection LLC | 1 | 2025-10-31 |
| Par Plumbing Co., Inc | 1 | 2025-10-31 |
| Sirina Fire Prot Corp | 1 | 2023-11-16 |
| Soh Par Sprinkler LLC | 1 | 2023-10-05 |
| William C. Gerakaris P&H | 1 | 2024-08-28 |
11 companies are named alongside Gannon Contracting LLC 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 |
|---|---|
| 767 FIFTH AVENUE | 2026-08-28 |
| 41 EAST 11 STREET | 2026-08-20 |
| 745 FIFTH AVENUE | 2026-07-08 |
| 565 5 AVENUE | 2026-06-23 |
| 399 PARK AVENUE | 2026-03-02 |
| 140 EAST 45 STREET | 2025-12-17 |
| 330 MADISON AVENUE | 2025-11-28 |
| 1325 AVENUE OF THE AMERICAS | 2025-11-25 |
| 1844 2 AVENUE | 2025-10-30 |
| 3 BRYANT PARK | 2025-10-17 |
| 712 FIFTH AVENUE | 2025-09-18 |
| 900 THIRD AVENUE | 2025-09-11 |
| 787 SEVENTH AVENUE | 2025-07-29 |
| 7 TIMES SQUARE | 2025-03-31 |
52 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1,000 to $5,110,200, median $129,978. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
234 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| M01434038-I1-GC | 2026-08-28 | General construction | 767 FIFTH AVENUE | INTERIOR demo & buildout of partitions, ceilings and doors. NO CHANGE IN USE, OCCUPANCY, AND EGRESS. | $556,175 |
| M01434044-I1-MS | 2026-08-28 | Mechanical / HVAC | 767 FIFTH AVENUE | Fit out of tenant suite on partial for 6th floor as PER PLAN CHANGES. No change in use, egress or occupancy. | $504,888 |
| M01412804-S1-MS | 2026-08-20 | Mechanical / HVAC | 41 EAST 11 STREET | Mechanical work in conjunction with interior renovation of the 5th floor. | $460,000 |
| M01412804-I1-GC | 2026-08-20 | General construction | 41 EAST 11 STREET | Interior renovation of the 5th floor as shown on plans filed herewith. No change in use, egress or occupancy. | $1,885,000 |
| M01420904-I1-MS | 2026-07-20 | Mechanical / HVAC | 767 FIFTH AVENUE | PATCH AND MATCH FOR DUCTWORK REROUTING PER PLAN CHANGES. No change in use, egress or occupancy. | $48,000 |
| M01417962-I1-GC | 2026-07-20 | General construction | 767 FIFTH AVENUE | INTERIOR demo & buildout of partitions, ceilings and doors. NO CHANGE IN USE, OCCUPANCY, AND EGRESS. | $304,300 |
| M01408067-I1-MS | 2026-07-08 | Mechanical / HVAC | 745 FIFTH AVENUE | Modifications to the existing HVAC system on the 18th and 21st floors as per plans. No change to use, egress or occupancy. | $371,429 |
| M01390639-S1-MS | 2026-06-23 | Mechanical / HVAC | 565 5 AVENUE | MODIFICATION TO EXSITING MECHANICAL SYSTEM AND RELATED PIPING AS SHOWN ON DRAWINGS. NO CHANGE TO USE, EGRESS OR OCCUPANCY/ | $4,254 |
| M01408022-I1-GC | 2026-06-12 | General construction | 745 FIFTH AVENUE | Minor demolition with installation of new partitions, doors, ceilings and finishes on the 18th and 21st floor as per plans. No change to use, egress or occupancy. | $150,876 |
| M01390639-I1-GC | 2026-06-01 | General construction | 565 5 AVENUE | INTERIOR RENOVATION OF 17TH FLOOR. PARTITIONS, CEILINGS DOORS AND FINSHES AS SHOWN ON DRAWINGS. NO CHANGE TO USE, EGRESS OR OCCUPANCY. | $1,484,800 |
| M01349655-I1-GC | 2026-03-02 | General construction | 399 PARK AVENUE | GENERAL CONSTRUCTION FROM THE 32ND FLOOR TO THE 34TH FLOOR AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $1,112,920 |
| M01349662-I1-MS | 2026-02-26 | Mechanical / HVAC | 399 PARK AVENUE | MECHANICAL WORK FROM THE 32ND TO THE 34TH FLOOR AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $135,000 |
| M01313009-I1-MS | 2025-12-17 | Mechanical / HVAC | 140 EAST 45 STREET | Mechanical Modifications as per plans filed herewith. No change in use, egress or occupancy. | $103,000 |
| M01267321-S1-MS | 2025-11-28 | Mechanical / HVAC | 330 MADISON AVENUE | Modifications to existing HVAC system and related piping for 13th floor office suite. No change in use, egress or occupancy. | $10,000 |
| M01315214-I1-MS | 2025-11-25 | Mechanical / HVAC | 1325 AVENUE OF THE AMERICAS | Modifications to the existing HVAC system on the 10th floor as per plans. No change to use, egress or occupancy. | $60,000 |
| M01315207-I1-GC | 2025-11-25 | General construction | 1325 AVENUE OF THE AMERICAS | Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 10th floor as per plans. No change to use, egress or occupancy. | $175,000 |
| M01267321-I1-GC | 2025-11-14 | General construction | 330 MADISON AVENUE | Removal and installation of interior non-beating partitions and related finishes as per drawings filed herewith. No change in use, egress or occupancy. | $38,000 |
| M01292971-I1-MS | 2025-11-13 | Mechanical / HVAC | 767 FIFTH AVENUE | Modification to existing HVAC system as per plans filed herewith. NO change in use, egress or occupancy. | $175,000 |
| M01292769-I1-GC | 2025-11-13 | General construction | 767 FIFTH AVENUE | REMOVAL & BUILD OUT OF INTERIOR NON-BEARING PARTITIONS AND RELATED FINISHES, HUNG CEILINGS AND RELATED WORK, AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $1,625,000 |
| M01292939-I1-GC | 2025-10-30 | General construction | 1844 2 AVENUE | INTERIOR RENOVATION: PARTITIONS, CEILINGS, AND DOOR MODIFICATIONS AS INDICATED ON PLANS HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $95,010 |
| M01289852-I1-GC | 2025-10-17 | General construction | 3 BRYANT PARK | Minor interior demo: remove and discard walls, ceilings, flooring. Install new drywall partitions, office front system, millwork, suspended ceiling, flooring and finishes on the 3- | $522,000 |
| M01289860-I1-MS | 2025-10-16 | Mechanical / HVAC | 3 BRYANT PARK | Modifications to the existing HVAC System: Installation of new ductwork, insulation, air outlets, relocate FPB and controls on the 3-4th Floors as per plans (Stifel - New Offices & | $45,000 |
| M01106672-I1-MS | 2025-09-18 | Mechanical / HVAC | 712 FIFTH AVENUE | Modifications to the existing HVAC system on the 49th floor (ABRDN) as per plans. No change to use, egress or occupancy | $110,000 |
| M01252345-I1-GC | 2025-09-11 | General construction | 900 THIRD AVENUE | Exterior renovation, new BMU installation as per plans filed herewith. | $3,700,000 |
| M01205413-I1-GC | 2025-09-11 | General construction | 900 THIRD AVENUE | Interior demolition as per plans filed herewith. | $100,000 |
| M01257727-I1-GC | 2025-08-20 | General construction | 767 FIFTH AVENUE | INTERIOR DEMOLITION OF CEILINGS, FLOOR AND WALL FINISHES, COLUMN ENCLOSURES, NON-LOAD BEARING PARTITIONS, DOORS, RADIATOR COVERS, ETC. No change to use, egress or occupancy. | $321,154 |
| M01257770-I1-MS | 2025-08-13 | Mechanical / HVAC | 767 FIFTH AVENUE | Adding mechanical ductwork, VAVs and air outlets as per plans filed herewith. NO change in use, egress or occupancy. | $40,000 |
| M01246958-I1-MS | 2025-07-29 | Mechanical / HVAC | 787 SEVENTH AVENUE | Modifications to the existing HVAC System: Installation of ductwork, insulations, air outlets, controls, control wiring & accessories on the 5th Floor as per plans (Stifel/ North F | $650,600 |
| M01255198-I1-MS | 2025-07-28 | Mechanical / HVAC | 900 THIRD AVENUE | Modifications to the existing HVAC system on the cellar, 1st and mezzanine floors (Retail Demo & Whitebox) as per plans. No change to use, egress or occupancy. | $23,943 |
| M01255180-I1-GC | 2025-07-25 | General construction | 900 THIRD AVENUE | Removal and disposal of interior partitions, doors, ceilings and finishes with patch and repair of walls, columns and floors on the cellar, 1st and mezzanine floors (Retail Demo & | $249,987 |
| M01246932-I1-GC | 2025-07-24 | General construction | 787 SEVENTH AVENUE | Install new walls, office front system, doors, new suspended ceiling, flooring and finishes on the 5th floor as per plans (Stifel/ North Floor Buildout.) No change to use, egress o | $1,548,000 |
| M01205422-I1-MS | 2025-07-11 | Mechanical / HVAC | 900 THIRD AVENUE | Interior mechanical demolition as per plans filed herewith. | $10,000 |
| M01236607-I1-MS | 2025-06-30 | Mechanical / HVAC | 565 5 AVENUE | Installation and removal of interior duct work and associated mechanical system. | $99,400 |
| M01206129-I1-GC | 2025-06-25 | General construction | 140 EAST 45 STREET | General construction modifications as per plans filed herewith. No change in use, egress or occupancy. Associated applications M01189668-S1 (MS) M01189668-S2 (SP) M01189668-S3 (PL) | $1,800,000 |
| M01240277-I1-MS | 2025-06-24 | Mechanical / HVAC | 1325 AVENUE OF THE AMERICAS | Modifications to the existing HVAC system on the 19th and 20th floors (Cole Schotz) as per plans. No change to use, egress or occupancy. | $183,000 |
| M01229315-I1-GC | 2025-06-24 | General construction | 565 5 AVENUE | installation of interior partitions ceilings and doors. | $99,400 |
| M01239890-I1-GC | 2025-06-23 | General construction | 1325 AVENUE OF THE AMERICAS | Minor demolition with installation of new partitions, doors, ceilings and finishes on the 19th and 20th floors (Cole Schotz) as per plans. No change to use, egress or occupancy. | $466,500 |
| M01230523-I1-MS | 2025-06-10 | Mechanical / HVAC | 787 SEVENTH AVENUE | Modifications to the existing HVAC System: removal of ductwork, insulations, air outlets, controls, control wiring & accessories on the 5th Floor as per plans (Stifel/ North Floor | $30,000 |
| M01230339-I1-GC | 2025-06-10 | General construction | 787 SEVENTH AVENUE | Minor interior demo. Removal of new suspended ceiling, ceiling tiles, flooring and finishes on the 5th floor as per plans (Stifel/ North Floor Demo.) No change to use, egress or oc | $125,000 |
| M01189668-S1-MS | 2025-05-27 | Mechanical / HVAC | 140 EAST 45 STREET | Mechanical Modifications as per plans filed herewith. No change in use, egress or occupancy. | $499,953 |
| M01205419-I1-MS | 2025-04-22 | Mechanical / HVAC | 900 THIRD AVENUE | Modification to mechanical system as per plans filed herewith. | $28,000 |
| M01205410-I1-GC | 2025-04-17 | General construction | 900 THIRD AVENUE | Interior renovation as per plans filed herewith. | $1,300,000 |
| M01183031-I1-MS | 2025-03-31 | Mechanical / HVAC | 7 TIMES SQUARE | MH work as per plans. No change to use egress or occupancy on this application. | $80,000 |
| M01183016-I1-GC | 2025-03-28 | General construction | 7 TIMES SQUARE | Modifications to Non- load bearing interior partitions and other GC work as per plans. No change to use egress or occupancy on this application. | $250,000 |
| M01142223-I1-GC | 2024-11-22 | General construction | 250 WEST 55 STREET | Modifications of partitions and office fronts as per plans. No change in use, egress or occupancy. | $300,000 |
| M01142242-I1-MS | 2024-11-22 | Mechanical / HVAC | 250 WEST 55 STREET | Modifications to mechanical ductwork and related piping as per plans. No change in use, egress or occupancy. | $340,000 |
| M01106600-I1-GC | 2024-11-07 | General construction | 712 FIFTH AVENUE | Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 49th floor (ABRDN) as per plans. No change to use, egress or occupancy | $431,000 |
| M01088643-I1-MS | 2024-10-24 | Mechanical / HVAC | 712 FIFTH AVENUE | Modifications to the existing HVAC system on the 50th floor (Solamere Management Office) as per plans. No change to use, egress or occupancy. | $129,956 |
| M01118610-I1-MS | 2024-10-24 | Mechanical / HVAC | 712 FIFTH AVENUE | Modifications to the existing HVAC system on the 19th & 48th floors (Pre-build/Turnkey) as per plans. No change to use, egress or occupancy | $328,368 |
| M01118608-I1-GC | 2024-10-22 | General construction | 712 FIFTH AVENUE | Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 19th & 48th floors (Pre-build/Turnkey) as per plans. No change to use, egress or | $1,219,768 |
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 →