Best Licensed Paving Contractors in Walnut Creek, CA
4 paving companies registered in Walnut Creek hold current CSLB licenses, verified against official records as of August 17, 2026. All 4 are listed below, ordered by workers' compensation cover and years licensed.
- 58 active C-12 earthwork and paving licenses in Contra Costa County; 4 registered in Walnut Creek
- 4 of Walnut Creek's 4 licenses (100.0%) carry current workers' compensation cover, not liability insurance; a blank usually means an owner-operator with no employees
- Median time licensed in Walnut Creek: 12 years
- Longest Walnut Creek licensure: since 1996
- 6 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1996
- Phone
- (915) 210-2245
- Verified
- August 17, 2026
- Licensed since
- 1997
- Phone
- (925) 673-9405
3.Mercoza
- Verified
- August 17, 2026
- Licensed since
- 2013
- Phone
- (510) 675-7971
- Verified
- August 17, 2026
- Licensed since
- 2023
- Phone
- (925) 934-6133
Compare the top 4 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Brown And Caldwell Constructors | #730831 | On file | 1996 |
| Dig This Inc. | #742485 | On file | 1997 |
| Mercoza | #988861 | On file | 2013 |
| Terra Nova Project Development Services Inc. | #1107444 | On file | 2023 |
Contra Costa County paving licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 58 active C-12 earthwork and paving licenses in Contra Costa County, 4 of them registered in Walnut Creek. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Walnut Creek license has been held 12 years, and the longest-standing one dates to 1996. 4 of Walnut Creek's 4 licenses (100.0%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 57 of the county's 58 licenses carry the same $25,000 bond California sets by statute. 6 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.
Paving Contractors in Walnut Creek: common questions
How many licensed paving contractors are there in Walnut Creek?
4 active C-12 earthwork and paving licenses are registered in Walnut Creek, out of 58 across Contra Costa County. 4 Walnut Creek-registered companies passed our license verification, and all 4 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license paving contractors?
Yes. California licenses contractors by classification, and C-12 is the CSLB classification that authorises this work. 4 active C-12 earthwork and paving licenses are registered in Walnut Creek and 58 across Contra Costa County, the longest-standing issued in 1996. Only CLEAR, unexpired licenses appear here.
How do I check a paving contractor's license in California?
Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 4 of Walnut Creek's 4 currently carry. 6 Contra Costa County licenses expire within 90 days.
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