Concrete contractor (C-8) in Ontario, CA
3 licenses · checked Oct 27, 2026
There are 3 Concrete contractor (C-8) licenses with an address of record in Ontario, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.4% of the 834 such licenses statewide; Ontario ranks #81 of 354 CA cities for this license type. Most list San Bernardino County. By business type: Corporation 3. The median first-issue year is 2018; the oldest license dates from 2016. 1 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.
What a Concrete contractor (C-8) license covers
Concrete (C-8) covers forming, pouring, placing and finishing concrete, such as slabs, driveways, footings and walls.
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.
Concrete contractor (C-8) licenses in Ontario
Showing 3 of 3, A to Z. Listing order is alphabetical, not a recommendation.
- Legend Construction Services INC#1038753 · 91761
- OLD School Masonry INC#1065241 · 91761
- Robert Alan Construction INC#1022004 · 91761
Frequently asked questions
How many Concrete contractor (C-8) licenses are in Ontario?
3 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.4% of CA).
What does a Concrete contractor (C-8) license cover?
Concrete (C-8) covers forming, pouring, placing and finishing concrete, such as slabs, driveways, footings and walls.
How do I verify a Concrete contractor (C-8) license in Ontario?
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 Ontario Concrete contractor (C-8) licenses expire soon?
1 of 3 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 Ontario
General building contractor (45) · Electrical contractor (C-10) (31) · General engineering contractor (16) · Painting contractor (C-33) (13) · HVAC contractor (C-20) (13) · Plumbing contractor (C-36) (10) · Low-voltage contractor (C-7) (9) · Landscaping contractor (C-27) (7) · Drywall contractor (C-9) (6) · Tile contractor (C-54) (4) · Cabinet and finish carpentry contractor (C-6) (4) · Flooring contractor (C-15) (3)
All Concrete contractor (C-8) licenses in CA →
Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.