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Licensed roofing contractors in Ontario
26 contractors with a Ontario mailing address hold an active (CLEAR) CSLB C-39 Roofing license in CSLB's license file dated Oct 20, 2026. 25 of them show a workers' comp policy on file. Get quotes from up to 3 of them →
A stand-alone roofing job calls for a C-39 Roofing license. CSLB requires C-39 licensees to carry workers' compensation even if they have no employees, so check that a policy is on file.
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A Featured spot on this roofing page for Ontario is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
Ad space · openAdvertise here
A Featured spot on this roofing page for Ontario is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
All 26 licensed roofing contractors
Order: A–Z by business name (neutral, stated). Showing 1–26. ALC ROOFING
C-39 · Lic. #1148910 · Ontario 91762
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL - RIGHT ROOFING LLC
C-39 · Lic. #726974 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B & M ROOFING STRIPPING SERVICES
C-39 · Lic. #626422 · Ontario 91762
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BILL MARINO
C-39 · Lic. #696015 · Ontario 91762
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CUSTOM CONSTRUCTION
C-39 · also B · Lic. #630203 · Ontario 91764
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EMMONS ROOF SERVICE INC
C-39 · Lic. #638856 · Ontario 91761
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
ENHANCED ROOFING INC
C-39 · also B · Lic. #1120148 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ESPINOZA ROOFING
C-39 · Lic. #686396 · Ontario 91764
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GRACE PRO ROOFING INC
C-39 · Lic. #1053426 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HIDALGO'S ROOFING
C-39 · Lic. #1098311 · Ontario 91762
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
IE ROOF EXPERTS
C-39 · Lic. #1147770 · Ontario 91764
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J 1 PRO ROOFING
C-39 · Lic. #1084959 · Ontario 91764
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOSE L DIAZ DBA EMPIRE ROOFING CO
C-39 · Lic. #836616 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KLONDIKE ROOF CONSTRUCTION SERVICE
C-39 · also ASB, C-21, C-22 · Lic. #990645 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LEGEND CONSTRUCTION SERVICES INC
C-39 · also B, C-8 · Lic. #1038753 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MARTIN CERVANTES
C-39 · Lic. #875647 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MIDAS ROOFING INC
C-39 · Lic. #1124814 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MYCO CONSTRUCTION
C-39 · also B, C-17, C-20, C-27… · Lic. #853581 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PAGO ROOFING
C-39 · Lic. #790460 · Ontario 91764
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SANDOVAL
C-39 · Lic. #927957 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SPEC CONSTRUCTION CO INC
C-39 · also A, B, C-4, C-8… · Lic. #419626 · Ontario 91762
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TAPIA ROOFING
C-39 · Lic. #1149023 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
THE GOAT ROOFING LLC
C-39 · Lic. #1158821 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TOP OF THE LINE ROOFING
C-39 · Lic. #810795 · Ontario 91762
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
VRV ROOFING INC
C-39 · Lic. #1103520 · Ontario 91761
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WRIGHT WOOD ROOFING INC
C-39 · Lic. #1106726 · Ontario 91764
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026