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Licensed Roofers in Ontario, California

Updated November 1, 2026 from CSLB's public license file · C-39 Roofing Contractor

  • 26licensed roofers
  • 26active (Clear)
  • 0%with a suspension
  • 0%workers' comp exempt
  • 15.3 yrsmedian time licensed
  • 65.4%corp / LLC / partnership (34.6% sole owner)
  • 4new in the last 12 months
  • —change tracking began November 1, 2026

There are 26 roofers based in Ontario in CSLB's current file. 26 (100%) have a Clear status as of November 1, 2026.

The share with a suspension, 0%, is 5.5 points lower than the San Bernardino County rate for the same license (5.5%). About 0% report a workers' comp exemption, roughly the statewide norm for roofers.

Experience varies: 53.8% have been licensed 10+ years and 4 are new this year (median 15.3 years, vs 9.8 statewide).

In California this work generally calls for the C-39 Roofing Contractor license (or a B license when it is part of a larger multi-trade job). See the C-39 Roofing Contractor guide for what the license covers.

How to check a roofer's license in Ontario

  1. Open the roofer's profile from the table below (or search Ontario listings by name). Check that C-39 appears among its classifications and that the primary status reads Clear. What C-39 covers.
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed roofer is required by law. See the $1,000 rule.

All 26 roofers in Ontario

Ontario roofers sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed roofers in Ontario
Business nameLicense #StatusYearsWorkers' compBond
Spec Construction CO INC 419626 Clear 44 Insured On file
B & M Roofing Stripping Services 626422 Clear 35 Insured On file
Custom Construction 630203 Clear 35 Insured On file
Emmons Roof Service INC 638856 Clear 34 Insured On file
Espinoza Roofing 686396 Clear 32 Insured On file
Marino Bill 696015 Clear 32 Insured On file
All - Right Roofing LLC 726974 Clear 30 Insured On file
Pago Roofing 790460 Clear 25 Insured On file
Top of the Line Roofing 810795 Clear 24 Insured On file
Empire Roofing CO 836616 Clear 22 Insured On file
Myco Construction 853581 Clear 21 Insured On file
Cervantes Martin 875647 Clear 20 Insured On file
Sandoval 927957 Clear 17 Insured On file
Klondike Roof Construction Service 990645 Clear 12 Insured On file
Legend Construction Services INC 1038753 Clear 8 Insured On file
Grace Pro Roofing INC 1053426 Clear 7 Insured On file
J 1 Pro Roofing 1084959 Clear 4 Insured On file
Hidalgo's Roofing 1098311 Clear 4 Insured On file
V R V Roofing INC 1103520 Clear 3 Insured On file
Wright Wood Roofing INC 1106726 Clear 3 Insured On file
Enhanced Roofing INC 1120148 Clear 2 Insured On file
Midas Roofing INC 1124814 Clear 2 Insured On file
Ie Roof Experts 1147770 Clear <1 Insured On file
Alc Roofing 1148910 Clear <1 Insured On file
Tapia Roofing 1149023 Clear <1 Insured On file
The Goat Roofing LLC 1158821 Clear <1 Insured On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed roofers are in Ontario?

CSLB's current public file lists 26 roofers with a Ontario mailing address. 26 have a Clear status, and 100% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a roofer need in California?

In California this work generally calls for the C-39 Roofing Contractor license (or a B license when it is part of a larger multi-trade job). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a roofer's workers' comp?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Ontario, 100% of roofers list a policy, 0% claim an exemption and 0% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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