CSLB-Verified · California
Licensed Landscaping Contractors in WALNUT CREEK, CA
27 verified contractors · 21 carry active workers' comp · Average 23 years in business · Updated June 2026
Finding a reliable landscaping contractor in WALNUT CREEK means looking beyond reviews. Of the 27 CSLB-licensed contractors operating in WALNUT CREEK, 21 carry active workers' compensation insurance — meaning they can legally employ a crew on your property. 14 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in WALNUT CREEK
WALNUT CREEK 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.
27 Licensed Landscapers in WALNUT CREEK
SCHARMER SPRINKLERS & LANDSCAPE
Workers' Comp ActiveLicensed 1969 · 57 years in business
Corporation · Contra Costa County
License #256942 · Status: CLEAR ✓
(925) 934 6958
WESTERN CONSTRUCTION
Workers' Comp ActiveLicensed 1983 · 43 years in business
Sole Owner · Contra Costa County
License #437259 · Status: CLEAR ✓
(925) 250 4153
ALDER POOL & LANDSCAPE CO
Workers' Comp ActiveLicensed 1986 · 40 years in business
Sole Owner · Contra Costa County
License #492439 · Status: CLEAR ✓
(925) 933 3848
GARDENCRAFTERS LANDSCAPE & DESIGN
Workers' Comp ActiveLicensed 1987 · 39 years in business
Sole Owner · Contra Costa County
License #508892 · Status: CLEAR ✓
(925) 998 8870
DONISI LANDSCAPE CONSTRUCTION
Workers' Comp ActiveLicensed 1986 · 39 years in business
Sole Owner · Contra Costa County
License #500006 · Status: CLEAR ✓
(925) 935 1119
LIEDSTRAND LANDSCAPE CONSTRUCTION INC
Workers' Comp ActiveLicensed 1989 · 37 years in business
Corporation · Contra Costa County
License #570331 · Status: CLEAR ✓
(925) 324 0535
HOWELL LANDSCAPE CONSTRUCTION INC
Workers' Comp ActiveLicensed 1990 · 35 years in business
Corporation · Contra Costa County
License #604769 · Status: CLEAR ✓
(925) 393 9314
PACIFIC LANDSCAPING
Workers' Comp ActiveLicensed 1991 · 34 years in business
Sole Owner · Contra Costa County
License #624298 · Status: CLEAR ✓
(925) 938 1777
STEVE'S LANDSCAPE
Workers' Comp ActiveLicensed 1997 · 29 years in business
Sole Owner · Contra Costa County
License #736619 · Status: CLEAR ✓
(916) 475 7814
SWAN POOLS
Workers' Comp ActiveLicensed 2000 · 26 years in business
Corporation · Contra Costa County
License #775835 · Status: CLEAR ✓
(925) 934 7926
GREENGO LANDSCAPING INC
Workers' Comp ActiveLicensed 2006 · 20 years in business
Corporation · Contra Costa County
License #879748 · Status: CLEAR ✓
(925) 937 4008
5 STAR TREE & LANDSCAPE
Workers' Comp ActiveLicensed 2007 · 18 years in business
Sole Owner · Contra Costa County
License #904456 · Status: CLEAR ✓
(925) 260 8901
ENVISION LANDSCAPE STUDIO INC
Workers' Comp ActiveLicensed 2011 · 15 years in business
Corporation · Contra Costa County
License #960095 · Status: CLEAR ✓
(925) 357 5887
MERCOZA
Workers' Comp ActiveLicensed 2013 · 12 years in business
Corporation · Contra Costa County
License #988861 · Status: CLEAR ✓
(510) 675 7971
IRI LANDSCAPE INC
Workers' Comp ActiveLicensed 2015 · 11 years in business
Corporation · Contra Costa County
License #999649 · Status: CLEAR ✓
(476) 554 8289
ACCENT SPRINKLERS AND LANDSCAPING
WC Exempt (Sole Owner)Licensed 1984 · 41 years in business
Sole Owner · Contra Costa County
License #467076 · Status: CLEAR ✓
(925) 323 5668
GOLDEN BEAR LANDSCAPE SERVICES
WC Exempt (Sole Owner)Licensed 1991 · 35 years in business
Sole Owner · Contra Costa County
License #618588 · Status: CLEAR ✓
(925) 522 1872
JOT CHARLOT
WC Exempt (Sole Owner)Licensed 1991 · 35 years in business
Sole Owner · Contra Costa County
License #619042 · Status: CLEAR ✓
(925) 788 1027
PROSCAPE
WC Exempt (Sole Owner)Licensed 1991 · 34 years in business
Partnership · Contra Costa County
License #634246 · Status: CLEAR ✓
(925) 934 1146
J E LANDSCAPING
Workers' Comp ActiveLicensed 2017 · 8 years in business
Sole Owner · Contra Costa County
License #1033765 · Status: CLEAR ✓
(925) 206 7705
Beyond Landscaping: Specialty Licenses in WALNUT CREEK
Some WALNUT CREEK landscapers also hold additional CSLB classifications — useful when a project spans trades like drainage, concrete, or pools.
- 1 also hold General Engineering (A)
- 4 also hold General Building (B)
- 2 also hold Concrete (C-8)
- 1 also hold Earthwork & Paving (C12)
- 2 also hold Swimming Pool (C53)
WALNUT CREEK Landscaping Market at a Glance
- 27 contractors hold a current, clear CSLB C-27 landscaping license
- 21 (78%) carry active workers' compensation insurance
- 14 (52%) are incorporated (Corporation or LLC)
- 19 have been licensed for 10 or more years
- Average time in business: 23.4 years
- Longest-established contractor: 57 years (licensed 1969)
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 WALNUT CREEK winterize irrigation systems?
Yes. WALNUT CREEK 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.
