CSLB-Verified · California
Licensed Landscaping Contractors in WALNUT CREEK, CA
27 verified contractors · 21 with active workers' comp · Average 23 years in business · Updated August 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.
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27 Licensed Landscapers in WALNUT CREEK
Western Construction
Licensed 1983 · 43 years in business
Sole Owner · Contra Costa County
License #437259
Status: CLEAR ✓
Swan Pools
Licensed 2000 · 26 years in business
Corporation · Contra Costa County
License #775835
Status: CLEAR ✓
Iri Landscape Inc
Licensed 2015 · 11 years in business
Corporation · Contra Costa County
License #999649
Status: CLEAR ✓
Astro Green Ventures Group LLC
Licensed 2018 · 7 years in business
Limited Liability · Contra Costa County
License #1041049
Status: CLEAR ✓
Crest Landscape
Licensed 2019 · 6 years in business
Sole Owner · Contra Costa County
License #1060191
Status: CLEAR ✓
Panoramic Landscaping
Licensed 2023 · 2 years in business
Corporation · Contra Costa County
License #1113100
Status: CLEAR ✓
Weise David Landscaping LLC
Licensed 2024 · 1 years in business
Limited Liability · Contra Costa County
License #1128917
Status: CLEAR ✓
Scharmer Sprinklers & Landscape
Licensed 1969 · 57 years in business
Corporation · Contra Costa County
License #256942
Status: CLEAR ✓
(925) 934 6958
License valid through Oct 2027
$25,000 bond · Jet Insurance Company
Alder Pool & Landscape Co
Licensed 1986 · 40 years in business
Sole Owner · Contra Costa County
License #492439
Status: CLEAR ✓
(925) 933 3848
License valid through May 2028
$25,000 bond · Philadelphia Indemnity Insurance Company
Online since 2001
Gardencrafters Landscape & Design
Licensed 1987 · 39 years in business
Sole Owner · Contra Costa County
License #508892
Status: CLEAR ✓
(925) 998 8870
License valid through Apr 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2014
Donisi Landscape Construction
Licensed 1986 · 39 years in business
Sole Owner · Contra Costa County
License #500006
Status: CLEAR ✓
(925) 935 1119
License valid through Oct 2026
$25,000 bond · American Contractors Indemnity Company
Online since 2011
Liedstrand Landscape Construction Inc
Licensed 1989 · 37 years in business
Corporation · Contra Costa County
License #570331
Status: CLEAR ✓
(925) 324 0535
License valid through Feb 2027
$25,000 bond · American Contractors Indemnity Company
Howell Landscape Construction Inc
Licensed 1990 · 35 years in business
Corporation · Contra Costa County
License #604769
Status: CLEAR ✓
(925) 393 9314
License valid through Sep 2027
$25,000 bond · American Contractors Indemnity Company
Pacific Landscaping
Licensed 1991 · 34 years in business
Sole Owner · Contra Costa County
License #624298
Status: CLEAR ✓
(925) 938 1777
License valid through Aug 2027
$25,000 bond · Hudson Insurance Company
Online since 2002
Steve's Landscape
Licensed 1997 · 29 years in business
Sole Owner · Contra Costa County
License #736619
Status: CLEAR ✓
(916) 475 7814
License valid through Jun 2027
$25,000 bond · Merchants Bonding Company (Mutual)
Greengo Landscaping Inc
Licensed 2006 · 20 years in business
Corporation · Contra Costa County
License #879748
Status: CLEAR ✓
(925) 937 4008
License valid through Jun 2028
$25,000 bond · Merchants Bonding Company (Mutual)
Online since 2005
5 Star Tree & Landscape
Licensed 2007 · 18 years in business
Sole Owner · Contra Costa County
License #904456
Status: CLEAR ✓
(925) 260 8901
License valid through Oct 2027
$25,000 bond · Nationwide Mutual Insurance Company
Envision Landscape Studio Inc
Licensed 2011 · 15 years in business
Corporation · Contra Costa County
License #960095
Status: CLEAR ✓
(925) 357 5887
License valid through Nov 2027
$25,000 bond · Nationwide Mutual Insurance Company
Online since 2011
Mercoza
Licensed 2013 · 12 years in business
Corporation · Contra Costa County
License #988861
Status: CLEAR ✓
(510) 675 7971
License valid through Jun 2028
$25,000 bond · Merchants Bonding Company (Mutual)
Online since 2016
Accent Sprinklers And Landscaping
Licensed 1984 · 41 years in business
Sole Owner · Contra Costa County
License #467076
Status: CLEAR ✓
(925) 323 5668
License valid through Dec 2026
$25,000 bond · Atlantic Specialty Insurance Company
Online since 2011
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.