Best Licensed Landscaping Contractors in Clayton, CA
11 landscaping companies registered in Clayton hold current CSLB licenses, verified against official records as of August 20, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.
- 460 active C-27 landscaping licenses in Contra Costa County; 11 registered in Clayton
- 8 of Clayton's 11 licenses (72.7%) carry current workers' compensation cover, not liability insurance; a blank usually means an owner-operator with no employees
- Median time licensed in Clayton: 20 years
- Longest Clayton licensure: since 1979
- 38 county licenses reach their expiration date within 90 days
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- Verified
- August 20, 2026
- Licensed since
- 1979
- Phone
- (925) 557-6898
- Verified
- August 20, 2026
- Licensed since
- 1979
- Phone
- (925) 676-1545
- Verified
- August 20, 2026
- Licensed since
- 2004
- Phone
- (925) 595-8791
- Verified
- August 20, 2026
- Licensed since
- 2006
- Phone
- (925) 685-8030
- Verified
- August 20, 2026
- Licensed since
- 2006
- Phone
- (925) 250-0334
- Verified
- August 20, 2026
- Licensed since
- 2010
- Phone
- (925) 642-3543
- Verified
- August 20, 2026
- Licensed since
- 2011
- Phone
- (925) 381-3757
- Verified
- August 20, 2026
- Licensed since
- 2023
- Phone
- (925) 899-3703
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| G N Henley Inc. | #373161 | On file | 1979 |
| Majestic Landscape | #373538 | On file | 1979 |
| Garden Designs | #839379 | On file | 2004 |
| Curb Appeal Landscape LLC | #876628 | On file | 2006 |
| Waraner & Company LLC | #879423 | On file | 2006 |
| Juan Rios Landscaping | #948480 | On file | 2010 |
Contra Costa County landscaping licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 460 active C-27 landscaping licenses in Contra Costa County, 11 of them registered in Clayton. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Clayton license has been held 20 years, and the longest-standing one dates to 1979. 8 of Clayton's 11 licenses (72.7%) 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: 460 of the county's 460 licenses carry the same $25,000 bond California sets by statute. 38 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.
Landscaping Contractors in Clayton: common questions
How many licensed landscaping contractors are there in Clayton?
11 active C-27 landscaping licenses are registered in Clayton, out of 460 across Contra Costa County. 11 Clayton-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license landscaping contractors?
Yes. California licenses contractors by classification, and C-27 is the CSLB classification that authorises this work. 11 active C-27 landscaping licenses are registered in Clayton and 460 across Contra Costa County, the longest-standing issued in 1979. Only CLEAR, unexpired licenses appear here.
How do I check a landscaping 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 8 of Clayton's 11 currently carry. 38 Contra Costa County licenses expire within 90 days.
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