COMPANY RECORD · NEW YORK, NY
Denko Mechanical Inc — permit history in New York, NY
Denko Mechanical Inc appears on 201 New York permit records from 2019 through 2026, most often fire protection (84.3% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Fire protection | 198 | 84.3% |
| Plumbing | 37 | 15.7% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2019 | 5 |
| 2020 | 47 |
| 2021 | 22 |
| 2022 | 22 |
| 2023 | 52 |
| 2024 | 30 |
| 2025 | 28 |
| 2026 | 29 |
Busiest year on record: 2023, with 52 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 |
|---|---|---|
| Precision Building & Cons | 7 | 2024-05-24 |
| Wolf Construction Corp 20 | 5 | 2026-04-10 |
| Brennan Operating Inc | 4 | 2026-05-28 |
| Icon Interiors Inc | 3 | 2026-06-11 |
| Rinnovo Construction, LLC | 2 | 2023-12-12 |
| The Cloone Group Inc | 2 | 2026-01-08 |
| Vanguard Construction And | 2 | 2024-03-27 |
| Attri Enterprises Inc | 2 | 2026-02-23 |
| Concept Construction Serv | 1 | 2026-06-23 |
| Finaly Genl Contr Corp | 1 | 2026-05-08 |
| Folor Inc | 1 | 2026-03-23 |
| Gannon Contracting LLC | 1 | 2024-02-01 |
17 companies are named alongside Denko Mechanical Inc 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 |
|---|---|
| 1133 6 AVENUE | 2026-08-07 |
| 501 7 AVENUE | 2026-08-05 |
| 110 GREENE STREET | 2026-08-05 |
| 60 EAST 42 STREET | 2026-07-14 |
| 280 PARK AVENUE | 2026-06-25 |
| 360 PARK AVENUE SOUTH | 2026-06-23 |
| 520 FIFTH AVENUE | 2026-06-11 |
| 200 LIBERTY STREET | 2026-06-01 |
| 400 LAFAYETTE STREET | 2026-05-28 |
| 25 KENT AVENUE | 2026-05-08 |
| 350 FIFTH AVENUE | 2026-04-17 |
| 555 MADISON AVENUE | 2026-04-10 |
| 717 FIFTH AVENUE | 2026-03-17 |
| 222 1 STREET | 2026-02-23 |
102 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1,500 to $499,999, median $35,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
201 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| M01425717-I1-EW-SP | 2026-08-07 | Fire protection | 1133 6 AVENUE | HEREWITH FILING FOR MODIFICATIONS TO THE EXISTING SPRINKLER SYSTEM ON THE 29TH FLOOR AS PER PLANS. NO CHANGE TO USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION | $4,250 |
| M01435145-S1-EW-SP | 2026-08-05 | Fire protection | 501 7 AVENUE | Sprinkler modifications to floor 1 as per plans filed herewith. No change in use, egress, or occupancy. | $8,498 |
| M01413737-I1-EW-SP | 2026-08-05 | Fire protection | 110 GREENE STREET | Modifications to the existing sprinkler system on the 8th Floor (Avoro Capital) as per plans. No change to use, egress or occupancy. | $39,984 |
| M01419154-I1-EW-SP | 2026-07-14 | Fire protection | 60 EAST 42 STREET | SPRINKLER WORK TAKING PLACE ON THE 15TH FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $5,100 |
| M01399155-I1-EW-SP | 2026-07-07 | Fire protection | 60 EAST 42 STREET | SPRINKLER WORK TAKING PLACE ON THE 25TH FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $7,500 |
| M01403736-I1-EW-SP | 2026-06-25 | Fire protection | 280 PARK AVENUE | additions/Modification to existing Sprinkler system as per plans filed herewith. No change in use, egress or occupancy under this application. | $9,400 |
| M01404632-S3-EW-SP | 2026-06-23 | Fire protection | 360 PARK AVENUE SOUTH | Modification/addition to sprinkler system and related piping as shown on drawings. No change in use, egress or occupancy. | $80,000 |
| M01378092-S3-EW-SP | 2026-06-11 | Plumbing | 520 FIFTH AVENUE | Modification to existing Sprinkler system and plumbing fixtures as per plans filed herewith. No change in use, egress or occupancy under this application. | $40,000 |
| M01378092-S3-EW-SP | 2026-06-11 | Fire protection | 520 FIFTH AVENUE | Modification to existing Sprinkler system and plumbing fixtures as per plans filed herewith. No change in use, egress or occupancy under this application. | $40,000 |
| M01389887-S3-EW-SP | 2026-06-01 | Fire protection | 200 LIBERTY STREET | Sprinkler work as shown on plans filed herewith. | $100,000 |
| M01372678-S2-EW-SP | 2026-05-28 | Fire protection | 400 LAFAYETTE STREET | Modifications to the existing Plumbing and Sprinkler systems as per plans submitted herewith. No Change to Use, Occupancy, or Egress. | $260,000 |
| M01372678-S2-EW-SP | 2026-05-28 | Plumbing | 400 LAFAYETTE STREET | Modifications to the existing Plumbing and Sprinkler systems as per plans submitted herewith. No Change to Use, Occupancy, or Egress. | $260,000 |
| B01364982-S3-EW-SP | 2026-05-08 | Fire protection | 25 KENT AVENUE | Hereby filing to remove and install sprinkler heads with related piping as shown on plans filed herewith. No change to use, occupancy or egress. | $53,600 |
| M01225366-I1-PL | 2026-04-17 | Plumbing | 350 FIFTH AVENUE | Plumbing modifications taking place on the 71st Floor as per plans filed herewith. No change in Use, Egress or Occupancy. | $15,000 |
| M01225373-I1-EW-SP | 2026-04-17 | Fire protection | 350 FIFTH AVENUE | Sprinkler modifications taking place on the 71st Floor as per plans filed herewith. No change in Use, Egress or Occupancy. | $20,000 |
| M01336775-S6-EW-SP | 2026-04-10 | Fire protection | 200 LIBERTY STREET | Sprinkler work as shown on plans filed herewith for BPCA space. No change to use, egress or occupancy. | $27,999 |
| M01355978-I1-EW-SP | 2026-04-10 | Fire protection | 350 FIFTH AVENUE | Sprinkler modifications taking place on the 40th Floor as per plans filed herewith. No change in Use, Egress or Occupancy. | $145,000 |
| M01371743-S3-EW-SP | 2026-04-10 | Fire protection | 555 MADISON AVENUE | Sprinkler modifications taking place on the 14th floor as per plans filed herewith. No change in use, egress or occupancy. | $19,998 |
| M01357828-I1-EW-SP | 2026-04-10 | Fire protection | 350 FIFTH AVENUE | Sprinkler modifications taking place on the 39th Floor as per plans filed herewith. No change in Use, Egress or Occupancy. | $30,000 |
| M01363703-S3-EW-SP | 2026-03-23 | Fire protection | 501 7 AVENUE | Sprinkler modifications to floors 9 and 10 as per plans filed herewith. No change in use, egress, or occupancy. | $34,836 |
| M01322743-I1-EW-SP | 2026-03-17 | Fire protection | 717 FIFTH AVENUE | SPRINKLER MODIFICATIONS TAKING PLACE ON THE 13TH AND 14TH FLOOR ( 12A AND 13TH FLOOR MARKETING) AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $55,000 |
| B01162466-S2-EW-SP | 2026-02-23 | Plumbing | 222 1 STREET | Modification of plumbing fixtures and sprinkler system as related to office renovation on 1st and 2nd floors of MAIN ADMINISTRATIVE BUILDING. No change in use, egress, or occupancy | $300,949 |
| B01162466-S2-EW-SP | 2026-02-23 | Fire protection | 222 1 STREET | Modification of plumbing fixtures and sprinkler system as related to office renovation on 1st and 2nd floors of MAIN ADMINISTRATIVE BUILDING. No change in use, egress, or occupancy | $300,949 |
| M01252492-I1-EW-SP | 2026-02-09 | Fire protection | 350 FIFTH AVENUE | Sprinkler modifications taking place on the 38th Floor as per plans filed herewith. No change in Use, Egress or Occupancy. | $20,000 |
| M01326773-S3-EW-SP | 2026-02-09 | Fire protection | ONE BRYANT PARK | SPRINKLER WORK ON ASSOCIATED PIPING AS SHOWN ON PLANS FILED HEREWTIH | $55,347 |
| M01336205-S3-EW-SP | 2026-02-04 | Fire protection | 200 LIBERTY STREET | Sprinkler work as shown on plans filed herewith. | $30,000 |
| M00678537-I1-EW-SP | 2026-01-20 | Fire protection | 515 WEST 20 STREET | Filing herewith Sprinkler work for the renovation of the sixth floor. No change to use, egress, or occupancy. | $109,278 |
| Q01324216-S2-EW-SP | 2026-01-08 | Fire protection | 107-30 71 ROAD | Filing to modify Plumbing and Sprinkler systems at 2nd floor as per plans. | $50,100 |
| Q01324216-S2-EW-SP | 2026-01-08 | Plumbing | 107-30 71 ROAD | Filing to modify Plumbing and Sprinkler systems at 2nd floor as per plans. | $50,100 |
| M01320778-S2-EW-SP | 2025-12-29 | Fire protection | 461 5 AVENUE | Sprinkler head changes as indicated on plans. | $47,000 |
| M01213511-S2-EW-SP | 2025-12-16 | Fire protection | 461 5 AVENUE | Sprinkler & Temp Loop changes as indicated on plans. | $24,999 |
| M01317492-I1-EW-SP | 2025-12-16 | Fire protection | 485 LEXINGTON AVENUE | Modifications to the existing sprinkler system on the 3rd floor (Berkowitz Pollack) as per plans. No change to use, egress or occupancy. | $20,000 |
| M01269675-I1-EW-SP | 2025-10-31 | Fire protection | 60 EAST 42 STREET | SPRINKLER MODIFICATIONS TAKING PLACE ON THE 52ND FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $7,000 |
| M01282561-S2-EW-SP | 2025-10-14 | Fire protection | 885 THIRD AVENUE | Sprinkler head changes as indicated on plans. | $19,025 |
| M01274706-I1-EW-SP | 2025-10-14 | Plumbing | 498 SEVENTH AVENUE | PLUMBING - Installation of New Domestic Cold water line, connected to existing, for new coffee maker and water dispenser SPRINKLER - Removal of 64 old Sprinkler heads and the insta | $52,983 |
| M01274706-I1-EW-SP | 2025-10-14 | Fire protection | 498 SEVENTH AVENUE | PLUMBING - Installation of New Domestic Cold water line, connected to existing, for new coffee maker and water dispenser SPRINKLER - Removal of 64 old Sprinkler heads and the insta | $52,983 |
| M01274706-I1-PL | 2025-10-14 | Plumbing | 498 SEVENTH AVENUE | PLUMBING - Installation of New Domestic Cold water line, connected to existing, for new coffee maker and water dispenser SPRINKLER - Removal of 64 old Sprinkler heads and the insta | $52,983 |
| M01274706-I1-PL | 2025-10-14 | Fire protection | 498 SEVENTH AVENUE | PLUMBING - Installation of New Domestic Cold water line, connected to existing, for new coffee maker and water dispenser SPRINKLER - Removal of 64 old Sprinkler heads and the insta | $52,983 |
| M01163004-I1-EW-SP | 2025-09-29 | Fire protection | 60 EAST 42 STREET | Sprinkler modifications taking place on the 10th Floor as per plans filed herewith. No change in Use, Egress or Occupancy. | $26,000 |
| M01208733-I1-EW-SP | 2025-09-26 | Fire protection | 350 FIFTH AVENUE | SPRINKLER MODIFICATIONS TAKING PLACE ON 24TH FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $55,043 |
| M01256776-I1-EW-SP | 2025-09-24 | Fire protection | 810 SEVENTH AVENUE | Modifications to the existing sprinkler system on the 34th floor (Suite 3400) as per plans. No change to use, egress or occupancy. | $7,500 |
| M01269796-I1-EW-SP | 2025-09-19 | Fire protection | 60 EAST 42 STREET | SPRINKLER MODIFICATIONS TAKING PLACE ON THE 11TH FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $8,200 |
| M01271358-I1-EW-SP | 2025-09-12 | Fire protection | 350 FIFTH AVENUE | SPRINKLER MODIFICATIONS TO THE 62ND AND 63RD FLOOR AS PLANS FILED HEREWITH.NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $6,600 |
| M01224445-S3-EW-SP | 2025-08-25 | Fire protection | 799 BROADWAY | Sprinkler modifications taking place on the 7th floor as indicated on the drawings. | $20,000 |
| M01233082-S3-EW-SP | 2025-07-15 | Fire protection | 101 PARK AVENUE | Application being filed for the removal and installation of Sprinkler heads on the 46th and 47th floors. No change in use, egress, or occupancy. | $33,000 |
| M01207686-I1-EW-SP | 2025-07-01 | Plumbing | 356 WEST 18 STREET | PLUMBING AND SPRINKLER MODIFICATIONS (PHASE 2B) AS PER PLANS. NO CHANGE IN USE EGRESS OR OCCUPACNY. | $26,293 |
| M01223705-I1-EW-SP | 2025-07-01 | Fire protection | 356 WEST 18 STREET | SPRINKLER MODIFICATIONS (PHASE 2C) AS PER PLANS. NO CHANGE IN USE EGRESS OR OCCUPACNY. | $4,000 |
| M01207686-I1-EW-SP | 2025-07-01 | Fire protection | 356 WEST 18 STREET | PLUMBING AND SPRINKLER MODIFICATIONS (PHASE 2B) AS PER PLANS. NO CHANGE IN USE EGRESS OR OCCUPACNY. | $26,293 |
| M01179538-I1-EW-SP | 2025-06-09 | Fire protection | 529 WEST 20 STREET | Relocate 8 sprinkler heads Add 5 new heads to accommodate new program layout | $6,000 |
| M01186234-S2-EW-SP | 2025-04-18 | Fire protection | 220 EAST 42 STREET | Sprinkler & Temp Loop changes as indicated on plans. | $54,999 |
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 →