CSLB-Verified ยท California
Licensed Landscaping Contractors in DIAMOND BAR, CA
10 verified contractors ยท 3 with active workers' comp ยท Average 21 years in business ยท Updated November 2026
See your yard redesigned before you call a landscaper โ from a single photo.
Design My Yard โFinding a reliable landscaping contractor in DIAMOND BAR means looking beyond reviews. Of the 10 CSLB-licensed contractors operating in DIAMOND BAR, 3 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 DIAMOND BAR
DIAMOND BAR 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.
10 Licensed Landscapers in DIAMOND BAR
Perspective Landscaping Inc
Licensed 1988 ยท 37 years in business
Corporation ยท Los Angeles County
License #541581
Status: CLEAR โ
(909) 598 5658
License valid through Jan 2028
$25,000 bond ยท American Contractors Indemnity Company
Online since 2005
Hardy Landscape Construction Inc
Licensed 2007 ยท 18 years in business
Corporation ยท Los Angeles County
License #905954
Status: CLEAR โ
(909) 632 6052
License valid through Nov 2027
$25,000 bond ยท Merchants Bonding Company (Mutual)
Martin Dolores K
Licensed 1982 ยท 43 years in business
Sole Owner ยท Los Angeles County
License #430320
Status: CLEAR โ
(909) 482 1279
License valid through Oct 2026
$25,000 bond ยท Jet Insurance Company
Lim Jae H
Licensed 1996 ยท 30 years in business
Sole Owner ยท Los Angeles County
License #721424
Status: CLEAR โ
(909) 322 2906
License valid through Apr 2028
$25,000 bond ยท Western Surety Company
Hardy Landscape
Licensed 1997 ยท 29 years in business
Sole Owner ยท Los Angeles County
License #734646
Status: CLEAR โ
(909) 569 3757
License valid through Mar 2027
$25,000 bond ยท Western Surety Company
Online since 2025
Forest & Sun Arborist Designers Landscapers
Licensed 2007 ยท 19 years in business
Sole Owner ยท Los Angeles County
License #893193
Status: CLEAR โ
(909) 455 6800
License valid through Mar 2027
$25,000 bond ยท North River Insurance Company (The)
Green Point
Licensed 2007 ยท 18 years in business
Sole Owner ยท Los Angeles County
License #907419
Status: CLEAR โ
(909) 938 8430
License valid through Dec 2027
$25,000 bond ยท Philadelphia Indemnity Insurance Company
Online since 1996
Colony On Green
Licensed 2010 ยท 15 years in business
Corporation ยท Los Angeles County
License #951899
Status: CLEAR โ
(951) 698 8111
License valid through Sep 2026
$25,000 bond ยท Business Alliance Insurance Company
Fill Good Landscaping
Licensed 2019 ยท 7 years in business
Limited Liability ยท Los Angeles County
License #1053396
Status: CLEAR โ
(909) 215 0260
License valid through May 2027
$25,000 bond ยท American Contractors Indemnity Company
Sierra Peaks Landscaping
Licensed 2024 ยท 1 years in business
Sole Owner ยท Los Angeles County
License #1128080
Status: CLEAR โ
(213) 865 0562
License valid through Oct 2026
$25,000 bond ยท American Contractors Indemnity Company
DIAMOND BAR Landscaping Market at a Glance
- 10 hold a current, clear CSLB C-27 landscaping licence in DIAMOND BAR
- 3 (30%) carry active workers' compensation insurance
- 4 (40%) are incorporated (Corporation or LLC)
- 8 have been licensed 10+ years
- Average time in business: 21 years
Beyond Landscaping: Specialty Licenses in DIAMOND BAR
Some DIAMOND BAR landscapers also hold additional CSLB classifications โ useful when a project spans trades like drainage, concrete, or pools.
- 1 also hold General Building (B)
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 DIAMOND BAR?
DIAMOND BAR'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.