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.
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Real gardens, real homeowners
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Coastal Garden Design with Lawn
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32 Licensed Landscapers in ONTARIO
Premier Pools And Spas
Licensed 1982 · 43 years in business
Corporation · San Bernardino County
License #430551
Status: CLEAR ✓
Macias Gardening And Design
Licensed 2023 · 3 years in business
Corporation · San Bernardino County
License #1104990
Status: CLEAR ✓
Joe Landscape
Licensed 2025 · 1 years in business
Sole Owner · San Bernardino County
License #1132759
Status: CLEAR ✓
M & R Construction Services Inc
Licensed 1987 · 39 years in business
Corporation · San Bernardino County
License #508404
Status: CLEAR ✓
(909) 947 6474
License valid through May 2028
$25,000 bond · Western Surety Company
misterconstructionservice@gmail.com
Online since 2025
Coastline Outdoor Solutions
Licensed 1989 · 36 years in business
Sole Owner · San Bernardino County
License #581970
Status: CLEAR ✓
(909) 224 0133
License valid through Dec 2027
$25,000 bond · Platte River Insurance Company
Landeros Construction Group
Licensed 1999 · 26 years in business
Sole Owner · San Bernardino County
License #770655
Status: CLEAR ✓
(909) 284 0667
License valid through Jan 2028
$25,000 bond · American Contractors Indemnity Company
Myco Construction
Licensed 2005 · 21 years in business
Corporation · San Bernardino County
License #853581
Status: CLEAR ✓
(909) 456 9719
License valid through Nov 2027
$25,000 bond · Philadelphia Indemnity Insurance Company
Online since 2025
Garcia Martin Robles
Licensed 2006 · 20 years in business
Sole Owner · San Bernardino County
License #872581
Status: CLEAR ✓
(909) 772 5908
License valid through Feb 2028
$25,000 bond · American Contractors Indemnity Company
California Turf Management Inc
Licensed 2011 · 15 years in business
Corporation · San Bernardino County
License #958651
Status: CLEAR ✓
(909) 949 9373
License valid through Mar 2027
$25,000 bond · American Contractors Indemnity Company
Ontarios Landscape Inc
Licensed 2012 · 14 years in business
Corporation · San Bernardino County
License #972069
Status: CLEAR ✓
(909) 996 7782
License valid through May 2028
$25,000 bond · Atlantic Specialty Insurance Company
Eye On Builders
Licensed 2012 · 13 years in business
Sole Owner · San Bernardino County
License #977924
Status: CLEAR ✓
(323) 997 0193
License valid through Jan 2028
$25,000 bond · Hudson Insurance Company
Rose Garden Landscaping Inc
Licensed 2015 · 10 years in business
Corporation · San Bernardino County
License #1009854
Status: CLEAR ✓
(909) 938 1548
License valid through Dec 2027
$25,000 bond · Western Surety Company
Shamrock Landscape & Maintenance
Licensed 1986 · 39 years in business
Sole Owner · San Bernardino County
License #496215
Status: CLEAR ✓
(909) 983 1299
License valid through Aug 2026 · expiring soon
$25,000 bond · American Contractors Indemnity Company
Lytle Landscape Construction
Licensed 1997 · 28 years in business
Sole Owner · San Bernardino County
License #743494
Status: CLEAR ✓
(949) 525 7929
License valid through Dec 2027
$25,000 bond · American Contractors Indemnity Company
Online since 2017
Sweet Water Landscaping
Licensed 2003 · 23 years in business
Sole Owner · San Bernardino County
License #817917
Status: CLEAR ✓
(562) 881 8208
License valid through Apr 2027
$25,000 bond · Jet Insurance Company
Online since 2016
Hasson's Landscaping
Licensed 2007 · 19 years in business
Sole Owner · San Bernardino County
License #891023
Status: CLEAR ✓
(714) 240 8175
License valid through Feb 2027
$25,000 bond · American Contractors Indemnity Company
Goedhart Landscaping
Licensed 2009 · 17 years in business
Sole Owner · San Bernardino County
License #934150
Status: CLEAR ✓
(909) 549 1380
License valid through Jun 2027
$25,000 bond · Philadelphia Indemnity Insurance Company
J S C Gardens & Landscape
Licensed 2012 · 14 years in business
Sole Owner · San Bernardino County
License #973284
Status: CLEAR ✓
(951) 440 0332
License valid through May 2028
$25,000 bond · Western Surety Company
Earthscapes
Licensed 2017 · 9 years in business
Corporation · San Bernardino County
License #1027517
Status: CLEAR ✓
(949) 536 8258
License valid through Jun 2027
$25,000 bond · Western Surety Company
Online since 2018
Bear Paw Landscape
Licensed 2018 · 8 years in business
Sole Owner · San Bernardino County
License #1037030
Status: CLEAR ✓
(909) 437 3871
License valid through Mar 2028
$25,000 bond · American Contractors Indemnity Company
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.