CSLB-Verified · California
Licensed Landscaping Contractors in CLAYTON, CA
11 verified contractors · 8 carry active workers' comp · Average 25 years in business · Updated June 2026
Finding a reliable landscaping contractor in CLAYTON means looking beyond reviews. Of the 11 CSLB-licensed contractors operating in CLAYTON, 8 carry active workers' compensation insurance — meaning they can legally employ a crew on your property. 4 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in CLAYTON
CLAYTON sits in USDA Plant Hardiness Zone 9b, with winter minimum temperatures of 25–30°F. This means a true dormant season — lawns and most perennials slow significantly from December through February. Contractors experienced in Zone 9b know to schedule irrigation shutdown before first frost, design planting schemes around the zone's long dry summers, and recommend drought-tolerant species that handle both the heat and the occasional cold snap. Ask any contractor you hire whether their plant selections are rated for Zone 9b minimums.
11 Licensed Landscapers in CLAYTON
MAJESTIC LANDSCAPE
Workers' Comp ActiveLicensed 1979 · 47 years in business
Sole Owner · Contra Costa County
License #373538 · Status: CLEAR ✓
(925) 676 1545
GARDEN DESIGNS
Workers' Comp ActiveLicensed 2004 · 22 years in business
Sole Owner · Contra Costa County
License #839379 · Status: CLEAR ✓
(925) 595 8791
CURB APPEAL LANDSCAPE LLC
Workers' Comp ActiveLicensed 2006 · 20 years in business
Limited Liability · Contra Costa County
License #876628 · Status: CLEAR ✓
(925) 685 8030
WARANER & COMPANY LLC
Workers' Comp ActiveLicensed 2006 · 20 years in business
Limited Liability · Contra Costa County
License #879423 · Status: CLEAR ✓
(925) 250 0334
DIABLO LAWNSCAPE
Workers' Comp ActiveLicensed 2011 · 15 years in business
Sole Owner · Contra Costa County
License #958849 · Status: CLEAR ✓
(925) 381 3757
G N HENLEY INC
Workers' Comp ActiveLicensed 1979 · 47 years in business
Corporation · Contra Costa County
License #373161 · Status: CLEAR ✓
(925) 567 6898
SMITH JERRY LANDSCAPE SERVICES
WC Exempt (Sole Owner)Licensed 1987 · 38 years in business
Sole Owner · Contra Costa County
License #521152 · Status: CLEAR ✓
(925) 348 5322
PARGETT LANDSCAPE & LIGHTING
WC Exempt (Sole Owner)Licensed 1988 · 37 years in business
Sole Owner · Contra Costa County
License #545807 · Status: CLEAR ✓
(925) 323 5680
JUAN RIOS LANDSCAPING
Workers' Comp ActiveLicensed 2010 · 16 years in business
Sole Owner · Contra Costa County
License #948480 · Status: CLEAR ✓
(925) 642 3543
PACHECO LANDSCAPE AND POOL CONSTRUCTION
WC Exempt (Sole Owner)Licensed 2013 · 12 years in business
Sole Owner · Contra Costa County
License #987689 · Status: CLEAR ✓
(925) 276 2106
AHS LANDSCAPING INC
Workers' Comp ActiveLicensed 2023 · 3 years in business
Corporation · Contra Costa County
License #1103285 · Status: CLEAR ✓
(925) 899 3703
Beyond Landscaping: Specialty Licenses in CLAYTON
Some CLAYTON landscapers also hold additional CSLB classifications — useful when a project spans trades like drainage, concrete, or pools.
- 1 also hold General Engineering (A)
- 3 also hold General Building (B)
- 2 also hold Concrete (C-8)
- 1 also hold Earthwork & Paving (C12)
- 2 also hold Swimming Pool (C53)
CLAYTON Landscaping Market at a Glance
- 11 contractors hold a current, clear CSLB C-27 landscaping license
- 8 (73%) carry active workers' compensation insurance
- 4 (36%) are incorporated (Corporation or LLC)
- 10 have been licensed for 10 or more years
- Average time in business: 25.2 years
- Longest-established contractor: 47 years (licensed 1979)
Nearby Cities
Frequently Asked Questions
How do I verify a landscaping contractor's license in California?
Every contractor on this page links to its official CSLB license-detail record. Search the license number at cslb.ca.gov to confirm the license is current, the classification is C-27 (Landscaping), and the status is CLEAR before you hire.
What is the difference between a C-27 licensed contractor and an unlicensed landscaper?
A C-27 license means the contractor passed California's trade and law exams, posted a contractor bond, and is accountable to the CSLB. Unlicensed operators carry none of those protections — you have little recourse if work is defective or someone is injured on your property.
Why does workers' compensation insurance matter when hiring a landscaper?
If a contractor employs a crew, active workers' comp insurance means you are not liable for on-site injuries. A contractor without it can legally work alone, but you take on real risk the moment an uninsured crew sets foot on your property.
Do landscapers in CLAYTON winterize irrigation systems?
Yes. CLAYTON sees a real frost season, so experienced contractors schedule irrigation shutdown before first frost and choose cold-hardy plant material rated for the local winter lows.
