CSLB-Verified · California
Licensed Landscaping Contractors in SONOMA, CA
34 verified contractors · 20 with active workers' comp · Average 17 years in business · Updated August 2026
Finding a reliable landscaping contractor in SONOMA means looking beyond reviews. Of the 34 CSLB-licensed contractors operating in SONOMA, 20 carry active workers' compensation insurance — meaning they can legally employ a crew on your property. 17 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in SONOMA
SONOMA 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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34 Licensed Landscapers in SONOMA
El Alamo Landscaping
Licensed 2006 · 20 years in business
Sole Owner · Sonoma County
License #872018
Status: CLEAR ✓
El Prado Landscape
Licensed 2017 · 8 years in business
Sole Owner · Sonoma County
License #1030587
Status: CLEAR ✓
Sandoval Landscaping
Licensed 2021 · 4 years in business
Sole Owner · Sonoma County
License #1080353
Status: CLEAR ✓
Hz Landscaping
Licensed 2025 · 0 years in business
Sole Owner · Sonoma County
License #1140184
Status: CLEAR ✓
Jimenez Landscaping
Licensed 2021 · 4 years in business
Sole Owner · Sonoma County
License #1081880
Status: CLEAR ✓
Waldron Landscaping Inc
Licensed 1977 · 48 years in business
Corporation · Sonoma County
License #346260
Status: CLEAR ✓
(707) 996 5868
License valid through Jan 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2011
Infusion Inc
Licensed 1981 · 45 years in business
Corporation · Sonoma County
License #403444
Status: CLEAR ✓
(707) 996 6999
License valid through Jun 2027
$25,000 bond · Merchants Bonding Company (Mutual)
Nyberg Landscaping Incorporated
Licensed 1987 · 39 years in business
Corporation · Sonoma County
License #510617
Status: CLEAR ✓
(707) 996 5221
License valid through Aug 2027
$25,000 bond · Ohio Casualty Insurance Company (The)
Online since 2019
Heaven On Earth Landscape Construction
Licensed 1993 · 33 years in business
Sole Owner · Sonoma County
License #668068
Status: CLEAR ✓
(408) 507 1086
License valid through Mar 2027
$25,000 bond · Business Alliance Insurance Company
Sonoma Mission Gardens Inc
Licensed 1999 · 26 years in business
Corporation · Sonoma County
License #771779
Status: CLEAR ✓
(707) 938 5743
License valid through Jun 2028
$25,000 bond · American Contractors Indemnity Company
Online since 2002
Anderson Scott Landscape Maintenance Inc
Licensed 2007 · 19 years in business
Corporation · Sonoma County
License #895616
Status: CLEAR ✓
(707) 343 1840
License valid through Feb 2027
$25,000 bond · Nationwide Mutual Insurance Company
Online since 2014
Leo's Construction And Painting
Licensed 2008 · 18 years in business
Sole Owner · Sonoma County
License #914469
Status: CLEAR ✓
(707) 280 8629
License valid through Apr 2028
$25,000 bond · American Contractors Indemnity Company
leo@leosconstructionandpainting.com
Online since 2018
Roy's Landscaping Inc
Licensed 2007 · 18 years in business
Corporation · Sonoma County
License #907566
Status: CLEAR ✓
(707) 939 9612
License valid through Dec 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2024
Paz Landscape
Licensed 2008 · 17 years in business
Corporation · Sonoma County
License #918381
Status: CLEAR ✓
(707) 833 4010
License valid through May 2027
$25,000 bond · Merchants Bonding Company (Mutual)
Ecological Solutions Ca LLC
Licensed 2010 · 16 years in business
Limited Liability · Sonoma County
License #942147
Status: CLEAR ✓
(415) 497 1050
License valid through Sep 2026
$25,000 bond · Merchants Bonding Company (Mutual)
Online since 2008
J K T Associates Inc
Licensed 2010 · 16 years in business
Corporation · Sonoma County
License #943317
Status: CLEAR ✓
(707) 766 6336
License valid through Feb 2028
$25,000 bond · Merchants Bonding Company (Mutual)
Online since 2010
De Anda Landscaping Inc
Licensed 2015 · 11 years in business
Corporation · Sonoma County
License #999752
Status: CLEAR ✓
(707) 953 3784
License valid through Jun 2027
$25,000 bond · American Contractors Indemnity Company
Atelier Wellander Inc
Licensed 1979 · 46 years in business
Corporation · Sonoma County
License #381200
Status: CLEAR ✓
(707) 480 2748
License valid through Jun 2027
$25,000 bond · American Contractors Indemnity Company
Scandia Landscaping
Licensed 1984 · 42 years in business
Sole Owner · Sonoma County
License #452594
Status: CLEAR ✓
(707) 210 4572
License valid through Feb 2028
$25,000 bond · American Contractors Indemnity Company
Sungarden Company Inc The
Licensed 1989 · 36 years in business
Corporation · Sonoma County
License #577385
Status: CLEAR ✓
(916) 825 7046
License valid through Sep 2027
$25,000 bond · American Contractors Indemnity Company
Beyond Landscaping: Specialty Licenses in SONOMA
Some SONOMA landscapers also hold additional CSLB classifications — useful when a project spans trades like drainage, concrete, or pools.
- 3 also hold General Building (B)
- 1 also hold Painting (C33)
- 2 also hold Tree Service (D49)
SONOMA Landscaping Market at a Glance
- 34 contractors hold a current, clear CSLB C-27 landscaping license
- 20 (59%) carry active workers' compensation insurance
- 17 (50%) are incorporated (Corporation or LLC)
- 19 have been licensed for 10 or more years
- Average time in business: 17.2 years
- Longest-established contractor: 48 years (licensed 1977)
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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 SONOMA winterize irrigation systems?
Yes. SONOMA 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.