CSLB-Verified · California
Licensed Landscaping Contractors in CLAYTON, CA
11 verified contractors · 8 with active workers' comp · Average 25 years in business · Updated August 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.
Hadaa · Real Projects
Real gardens, real homeowners
Garden Design
Cottage Garden Design with Lawn
See the full project →
Garden Design
Modern Garden Design with Lawn
See the full project →
Garden Design
Coastal Garden Design with Lawn
See the full project →
11 Licensed Landscapers in CLAYTON
Majestic Landscape
Licensed 1979 · 47 years in business
Sole Owner · Contra Costa County
License #373538
Status: CLEAR ✓
Waraner & Company LLC
Licensed 2006 · 20 years in business
Limited Liability · Contra Costa County
License #879423
Status: CLEAR ✓
Garden Designs
Licensed 2004 · 22 years in business
Sole Owner · Contra Costa County
License #839379
Status: CLEAR ✓
(925) 595 8791
License valid through May 2028
$25,000 bond · American Contractors Indemnity Company
Online since 2003
Curb Appeal Landscape LLC
Licensed 2006 · 20 years in business
Limited Liability · Contra Costa County
License #876628
Status: CLEAR ✓
(925) 685 8030
License valid through Aug 2027
$25,000 bond · Merchants Bonding Company (Mutual)
Diablo Lawnscape
Licensed 2011 · 15 years in business
Sole Owner · Contra Costa County
License #958849
Status: CLEAR ✓
(925) 381 3757
License valid through Mar 2027
$25,000 bond · Business Alliance Insurance Company
Online since 2009
G N Henley Inc
Licensed 1979 · 47 years in business
Corporation · Contra Costa County
License #373161
Status: CLEAR
(925) 567 6898
License valid through Apr 2027
$25,000 bond · American States Insurance Company
Online since 2005
Smith Jerry Landscape Services
Licensed 1987 · 38 years in business
Sole Owner · Contra Costa County
License #521152
Status: CLEAR ✓
(925) 348 5322
License valid through Nov 2027
$25,000 bond · Atlantic Specialty Insurance Company
Pargett Landscape & Lighting
Licensed 1988 · 37 years in business
Sole Owner · Contra Costa County
License #545807
Status: CLEAR ✓
(925) 323 5680
License valid through Jan 2027
$25,000 bond · Atlantic Specialty Insurance Company
Juan Rios Landscaping
Licensed 2010 · 16 years in business
Sole Owner · Contra Costa County
License #948480
Status: CLEAR ✓
(925) 642 3543
License valid through Jun 2026 · expiring soon
$25,000 bond · Philadelphia Indemnity Insurance Company
Online since 2024
Pacheco Landscape And Pool Construction
Licensed 2013 · 12 years in business
Sole Owner · Contra Costa County
License #987689
Status: CLEAR ✓
(925) 276 2106
License valid through Oct 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2011
Ahs Landscaping Inc
Licensed 2023 · 3 years in business
Corporation · Contra Costa County
License #1103285
Status: CLEAR ✓
(925) 899 3703
License valid through Apr 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2023
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.