Plumbing contractor (C-36) in Fontana, CA
9 licenses · checked Oct 27, 2026
There are 9 Plumbing contractor (C-36) licenses with an address of record in Fontana, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.3% of the 2,617 such licenses statewide; Fontana ranks #66 of 514 CA cities for this license type. They are spread across 3 ZIP codes; the most common are 92335 (6), 92336 (2), 92334 (1). Most list San Bernardino County. By business type: Sole Owner 6, Corporation 3. The median first-issue year is 2017; the oldest license dates from 2015. 6 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.
What a Plumbing contractor (C-36) license covers
Plumbing (C-36) covers systems that supply safe water and remove liquid and water-borne waste, including water heaters, fixtures, gas piping, drain lines and backflow devices.
How to verify a license
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.
Plumbing contractor (C-36) licenses in Fontana
Showing 9 of 9, A to Z. Listing order is alphabetical, not a recommendation.
- 4JE Plumbing#1025084 · 92335
- A O Dowd Plumbing INC#1028149 · 92336
- Gabriel Velazquez#1027074 · 92335
- Hoyo Rooter#1043803 · 92335
- Masis Yadgarian#1017672 · 92334
- Pondercate INC#1002007 · 92335
- R M G Plumbing#1028549 · 92335
- TOP Mechanical Plumbers INC#1007069 · 92335
- Zelaya Construction & Plumbing#1022452 · 92336
Frequently asked questions
How many Plumbing contractor (C-36) licenses are in Fontana?
9 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.3% of CA).
What does a Plumbing contractor (C-36) license cover?
Plumbing (C-36) covers systems that supply safe water and remove liquid and water-borne waste, including water heaters, fixtures, gas piping, drain lines and backflow devices.
How do I verify a Plumbing contractor (C-36) license in Fontana?
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Use the license number shown here with the CSLB Instant License Check.
How many Fontana Plumbing contractor (C-36) licenses expire soon?
6 of 9 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.
Other license types in Fontana
General building contractor (55) · Electrical contractor (C-10) (16) · Painting contractor (C-33) (10) · HVAC contractor (C-20) (9) · Drywall contractor (C-9) (8) · General engineering contractor (7) · Swimming pool contractor (C-53) (7) · Landscaping contractor (C-27) (7) · Tile contractor (C-54) (7) · Flooring contractor (C-15) (5) · Cabinet and finish carpentry contractor (C-6) (5) · Glazing contractor (C-17) (5)
All Plumbing contractor (C-36) licenses in CA →
Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.