CSLB-Verified · California
Licensed Landscaping Contractors in SONOMA, CA
34 verified contractors · 20 carry active workers' comp · Average 17 years in business · Updated June 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.
34 Licensed Landscapers in SONOMA
BAYTERRA LANDSCAPES INC
Workers' Comp ActiveLicensed 2017 · 8 years in business
Corporation · Sonoma County
License #1031984 · Status: CLEAR ✓
(707) 363 9719
GREEN GIANT LANDSCAPE
Workers' Comp ActiveLicensed 2018 · 8 years in business
Sole Owner · Sonoma County
License #1036636 · Status: CLEAR ✓
(707) 321 7385
TOTEM LANDSCAPE SERVICES INC
Workers' Comp ActiveLicensed 2024 · 1 years in business
Corporation · Sonoma County
License #1130426 · Status: CLEAR ✓
(707) 637 6051
CAMPOS LANDSCAPING INC
Workers' Comp ActiveLicensed 2025 · 0 years in business
Corporation · Sonoma County
License #1140489 · Status: CLEAR ✓
(707) 913 8015
ROZANSKI LANDSCAPING
Workers' Comp ActiveLicensed 2025 · 0 years in business
Corporation · Sonoma County
License #1145500 · Status: CLEAR ✓
(707) 495 1125
NEW LAND SYSTEMS
WC Exempt (Sole Owner)Licensed 2016 · 9 years in business
Sole Owner · Sonoma County
License #1018431 · Status: CLEAR ✓
(707) 934 7332
EL PRADO LANDSCAPE
WC Exempt (Sole Owner)Licensed 2017 · 8 years in business
Sole Owner · Sonoma County
License #1030587 · Status: CLEAR ✓
(831) 588 2871
VALLEY OF THE MOON LANDSCAPING
WC Exempt (Sole Owner)Licensed 2021 · 4 years in business
Sole Owner · Sonoma County
License #1083199 · Status: CLEAR ✓
(707) 280 8629
SANDOVAL LANDSCAPING
WC Exempt (Sole Owner)Licensed 2021 · 4 years in business
Sole Owner · Sonoma County
License #1080353 · Status: CLEAR ✓
(707) 975 6945
MRLANDSCAPE & MAINTENANCE
WC Exempt (Sole Owner)Licensed 2022 · 4 years in business
Sole Owner · Sonoma County
License #1090200 · Status: CLEAR ✓
(707) 721 2650
WINE COUNTRY LANDSCAPING
WC Exempt (Sole Owner)Licensed 2023 · 3 years in business
Sole Owner · Sonoma County
License #1101891 · Status: CLEAR ✓
(707) 815 0557
LOCAL LANDSCAPERS
WC Exempt (Sole Owner)Licensed 2024 · 2 years in business
Sole Owner · Sonoma County
License #1115215 · Status: CLEAR ✓
(707) 287 6800
HZ LANDSCAPING
WC Exempt (Sole Owner)Licensed 2025 · 0 years in business
Sole Owner · Sonoma County
License #1140184 · Status: CLEAR ✓
(707) 933 7644
JIMENEZ LANDSCAPING
WC Exempt (Sole Owner)Licensed 2021 · 4 years in business
Sole Owner · Sonoma County
License #1081880 · Status: CLEAR ✓
(707) 332 5653
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)
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 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.