CSLB-Verified · California
Licensed Landscaping Contractors in SAN ANSELMO, CA
10 verified contractors · 6 carry active workers' comp · Average 22 years in business · Updated June 2026
Finding a reliable landscaping contractor in SAN ANSELMO means looking beyond reviews. Of the 10 CSLB-licensed contractors operating in SAN ANSELMO, 6 carry active workers' compensation insurance — meaning they can legally employ a crew on your property. 3 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in SAN ANSELMO
SAN ANSELMO 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.
10 Licensed Landscapers in SAN ANSELMO
QUARRYHOUSE INC
Workers' Comp ActiveLicensed 1993 · 33 years in business
Corporation · Marin County
License #672750 · Status: CLEAR ✓
(415) 482 9094
BACK TO THE ROOTS LANDSCAPING
Workers' Comp ActiveLicensed 1999 · 27 years in business
Sole Owner · Marin County
License #761365 · Status: CLEAR ✓
(415) 246 5784
KAISER GARDENS INC
Workers' Comp ActiveLicensed 2003 · 23 years in business
Corporation · Marin County
License #819850 · Status: CLEAR ✓
(415) 699 7423
HUMANATURE LANDSCAPE DESIGN INC
Workers' Comp ActiveLicensed 2005 · 20 years in business
Corporation · Marin County
License #864756 · Status: CLEAR ✓
(415) 717 6916
ELLIOTT LANDSCAPING
Workers' Comp ActiveLicensed 2011 · 14 years in business
Sole Owner · Marin County
License #968623 · Status: CLEAR ✓
(415) 306 3861
RICHARD D RIEDY LANDSCAPING
WC Exempt (Sole Owner)Licensed 1986 · 40 years in business
Sole Owner · Marin County
License #493515 · Status: CLEAR ✓
(415) 485 0907
GROUNDBREAKING LANDSCAPES
No Active WCLicensed 2001 · 24 years in business
Sole Owner · Marin County
License #802371 · Status: CLEAR ✓
(415) 699 6209
BERGER MARK
WC Exempt (Sole Owner)Licensed 2007 · 18 years in business
Sole Owner · Marin County
License #901866 · Status: CLEAR ✓
(415) 308 7178
DONIEL ELLIS DESIGNS LANDSCAPING
Workers' Comp ActiveLicensed 2014 · 11 years in business
Sole Owner · Marin County
License #994837 · Status: CLEAR ✓
(415) 637 3941
CITY SITEWORK
WC Exempt (Sole Owner)Licensed 2015 · 11 years in business
Sole Owner · Marin County
License #1000621 · Status: CLEAR ✓
(415) 963 1736
Beyond Landscaping: Specialty Licenses in SAN ANSELMO
Some SAN ANSELMO landscapers also hold additional CSLB classifications — useful when a project spans trades like drainage, concrete, or pools.
- 1 also hold General Engineering (A)
- 1 also hold Masonry (C29)
SAN ANSELMO Landscaping Market at a Glance
- 10 contractors hold a current, clear CSLB C-27 landscaping license
- 6 (60%) carry active workers' compensation insurance
- 3 (30%) are incorporated (Corporation or LLC)
- 10 have been licensed for 10 or more years
- Average time in business: 22.1 years
- Longest-established contractor: 40 years (licensed 1986)
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 SAN ANSELMO winterize irrigation systems?
Yes. SAN ANSELMO 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.
