CSLB-Verified ยท California
Licensed Landscaping Contractors in WALNUT, CA
5 verified contractors ยท 5 with active workers' comp ยท Average 19 years in business ยท Updated September 2026
Finding a reliable landscaping contractor in WALNUT means looking beyond reviews. Of the 5 CSLB-licensed contractors operating in WALNUT, 5 carry active workers' compensation insurance โ meaning they can legally employ a crew on your property. 4 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in WALNUT
WALNUT sits in USDA Plant Hardiness Zone 10a, with minimum temperatures of 30โ35ยฐF. Zone 10a sits at the edge of frost risk โ rare but possible, meaning irrigation systems need winterization readiness even if they rarely need it. The mild climate supports an enormous range of plant material, but summer fog patterns, coastal wind exposure, and microclimate variation within a single neighborhood can dramatically change what thrives. Local experience matters here more than in more uniform climates.
5 Licensed Landscapers in WALNUT
Premier West Landscape
Licensed 2014 ยท 11 years in business
Sole Owner ยท Los Angeles County
License #997853
Status: CLEAR โ
Premierwest Landscape Inc
Licensed 2016 ยท 9 years in business
Corporation ยท Los Angeles County
License #1016876
Status: CLEAR โ
Sung Pacific Inc
Licensed 1988 ยท 38 years in business
Corporation ยท Los Angeles County
License #529045
Status: CLEAR โ
(818) 416 8439
License valid through Sep 2027
$25,000 bond ยท American Contractors Indemnity Company
C S Legacy Construction Inc
Licensed 2003 ยท 22 years in business
Corporation ยท Los Angeles County
License #826870
Status: CLEAR โ
(909) 590 2626
License valid through Oct 2027
$25,000 bond ยท American Contractors Indemnity Company
Greenland Landscape Inc
Licensed 2010 ยท 16 years in business
Corporation ยท Los Angeles County
License #946498
Status: CLEAR โ
(909) 480 3384
License valid through Apr 2028
$25,000 bond ยท Merchants Bonding Company (Mutual)
WALNUT Landscaping Market at a Glance
- 5 hold a current, clear CSLB C-27 landscaping licence in WALNUT
- 5 (100%) carry active workers' compensation insurance
- 4 (80%) are incorporated (Corporation or LLC)
- 4 have been licensed 10+ years
- Average time in business: 19 years
Beyond Landscaping: Specialty Licenses in WALNUT
Some WALNUT landscapers also hold additional CSLB classifications โ useful when a project spans trades like drainage, concrete, or pools.
- 1 also hold General Engineering (A)
- 2 also hold General Building (B)
- 1 also hold Swimming Pool (C53)
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 โ 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.
How does coastal fog affect landscaping choices in WALNUT?
WALNUT's summer fog and microclimate variation change what thrives block to block. Contractors with local experience choose plant material and irrigation schedules matched to your specific exposure rather than a generic plan.