CSLB-Verified · California
Licensed Landscaping Contractors in ONTARIO, CA
32 verified contractors · 17 with active workers' comp · Average 13 years in business · Updated August 2026
Finding a reliable landscaping contractor in ONTARIO means looking beyond reviews. Of the 32 CSLB-licensed contractors operating in ONTARIO, 17 carry active workers' compensation insurance — meaning they can legally employ a crew on your property. 14 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in ONTARIO
ONTARIO sits in USDA Plant Hardiness Zone 10a, with minimum temperatures of 30–35°F. Zone 10a sits at the edge of frost risk — 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.
Hadaa · Real Projects
Real gardens, real homeowners
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Cottage Garden Design with Lawn
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Modern Garden Design with Lawn
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Coastal Garden Design with Lawn
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32 Licensed Landscapers in ONTARIO
Form & Function Landscape
Licensed 2019 · 7 years in business
Sole Owner · San Bernardino County
License #1049832
Status: CLEAR ✓
(909) 525 7878
License valid through Feb 2027
$25,000 bond · American Contractors Indemnity Company
Prime Renovate Inc
Licensed 2021 · 5 years in business
Corporation · San Bernardino County
License #1076129
Status: CLEAR ✓
(626) 324 1975
License valid through May 2027
$25,000 bond · Business Alliance Insurance Company
Online since 2019
Kormex Construction Inc
Licensed 2021 · 5 years in business
Corporation · San Bernardino County
License #1073142
Status: CLEAR ✓
(909) 518 5700
License valid through Feb 2027
$25,000 bond · North River Insurance Company (The)
Online since 2021
Lionel Rodirguez
Licensed 2026 · 0 years in business
Sole Owner · San Bernardino County
License #1153852
Status: CLEAR ✓
(909) 322 5550
License valid through Apr 2028
$25,000 bond · American Contractors Indemnity Company
K & D Landscape Inc
Licensed 2017 · 8 years in business
Corporation · San Bernardino County
License #1032430
Status: CLEAR ✓
(562) 221 6834
License valid through Nov 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2020
Rios Landscaping
Licensed 2019 · 6 years in business
Sole Owner · San Bernardino County
License #1055486
Status: CLEAR ✓
(909) 471 2850
License valid through Jul 2027
$25,000 bond · Jet Insurance Company
Online since 2012
Lucio's Landscaping Inc
Licensed 2024 · 2 years in business
Corporation · San Bernardino County
License #1120877
Status: CLEAR ✓
(909) 675 5010
License valid through May 2028
$25,000 bond · Atlantic Specialty Insurance Company
Online since 2026
Eg Landscaping
Licensed 2025 · 1 years in business
Sole Owner · San Bernardino County
License #1133966
Status: CLEAR ✓
(909) 964 6611
License valid through Mar 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2013
Rise Above Landscape Inc
Licensed 2025 · 1 years in business
Corporation · San Bernardino County
License #1136557
Status: CLEAR ✓
(909) 509 6486
License valid through Apr 2027
$25,000 bond · Western Surety Company
Privado Landscape
Licensed 2017 · 8 years in business
Sole Owner · San Bernardino County
License #1031219
Status: CLEAR
(909) 235 2645
License valid through Sep 2027
$25,000 bond · Merchants Bonding Company (Mutual)
Jr Landscaping
Licensed 2022 · 3 years in business
Sole Owner · San Bernardino County
License #1094350
Status: CLEAR ✓
(909) 223 7251
License valid through Jul 2026 · expiring soon
$25,000 bond · Jet Insurance Company
Online since 2024
Primary Landscape Inc
Licensed 2024 · 1 years in business
Corporation · San Bernardino County
License #1123727
Status: CLEAR ✓
(626) 465 5711
License valid through Jul 2026 · expiring soon
$25,000 bond · North River Insurance Company (The)
Beyond Landscaping: Specialty Licenses in ONTARIO
Some ONTARIO landscapers also hold additional CSLB classifications — useful when a project spans trades like drainage, concrete, or pools.
- 2 also hold General Engineering (A)
- 6 also hold General Building (B)
- 2 also hold Concrete (C-8)
- 1 also hold C17 (C17)
- 2 also hold Swimming Pool (C53)
ONTARIO Landscaping Market at a Glance
- 32 contractors hold a current, clear CSLB C-27 landscaping license
- 17 (53%) carry active workers' compensation insurance
- 14 (44%) are incorporated (Corporation or LLC)
- 16 have been licensed for 10 or more years
- Average time in business: 13.9 years
- Longest-established contractor: 43 years (licensed 1982)
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.
How does coastal fog affect landscaping choices in ONTARIO?
ONTARIO'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.