California · C-4
Licensed Boiler, Hot Water Heating and Steam Fitting Contractors in California
Verify any C-4 boiler, hot water heating and steam fitting contractor license against the official state licensing record. Showing 683 active licenses below.
About the C-4 classification
A C-4 — Boiler, Hot Water Heating and Steam Fitting — license authorizes work within the boiler, hot water heating and steam fitting trade as recognized by the California Contractors State License Board (CSLB). Before hiring, confirm the contractor's license is active and covers the specific scope of your project.
Licensed Boiler, Hot Water Heating and Steam Fitting contractors in California
| License # | Business | City | Status | Issued | Expires |
|---|---|---|---|---|---|
| #740508 | A & B MECHANICAL INC | hayward | active | 09/17/1997 | 09/30/2027 |
| #858471 | A & N PLUMBING INC | hollister | active | 05/06/2005 | 05/31/2027 |
| #714869 | A B WELDING INC | prather | active | 11/07/1995 | 11/30/2027 |
| #821570 | A C I MECHANICAL INC | ames | active | 07/08/2003 | 07/31/2027 |
| #780352 | A G C INC | campbell | active | 06/16/2000 | 06/30/2026 |
| #1049390 | A M C BOILERS | huntington park | active | 01/24/2019 | 01/31/2027 |
| #767349 | A M S HEATING INC | stockton | active | 08/13/1999 | 05/31/2026 |
| #7731 | A O REED & CO LLC | san diego | active | 07/22/1931 | 10/31/2027 |
| #466960 | A T S PLUMBING AND BOILER | san jose | active | 12/13/1984 | 07/31/2027 |
| #981124 | A/C DOCTORS TV INC | oceanside | active | 02/14/2013 | 02/28/2027 |