CSLB-Verified · California
Licensed Landscaping Contractors in WHITTIER, CA
23 verified contractors · 13 carry active workers' comp · Average 17 years in business · Updated June 2026
Finding a reliable landscaping contractor in WHITTIER means looking beyond reviews. Of the 23 CSLB-licensed contractors operating in WHITTIER, 13 carry active workers' compensation insurance — meaning they can legally employ a crew on your property. 8 hold a Corporation or LLC structure, typically carrying stronger liability coverage than sole proprietors.
Climate & Hardiness in WHITTIER
WHITTIER sits in USDA Plant Hardiness Zone 10b, with minimum temperatures of 35–40°F and no meaningful frost season. Zone 10b is one of the most favorable climates for landscaping in the United States — a near-endless growing season, but also near-endless water demand. Experienced contractors here design around California's water restrictions, favor Mediterranean and drought-adapted species, and build irrigation systems calibrated for year-round operation. The absence of frost also means pest and disease pressure never resets — a contractor who understands Zone 10b biology is worth asking about.
WHITTIER's Soil Profile
The dominant soil across WHITTIER's ZIP codes is Clay loam — a somewhat poorly drained soil in USDA Hydrologic Group C. These slower-draining soils hold water longer than most — supportive of lush planting but prone to pooling in low spots. Ask contractors about their experience with French drains and grading.
23 Licensed Landscapers in WHITTIER
CORNERSTONE LANDSCAPING AND DESIGN
WC Exempt (Sole Owner)Licensed 2006 · 20 years in business
Sole Owner · Los Angeles County
License #879548 · Status: CLEAR ✓
(562) 896 2097
SERENE LANDSCAPE SERVICE
No Active WCLicensed 2023 · 2 years in business
Sole Owner · Los Angeles County
License #1110341 · Status: CLEAR ✓
(562) 325 0769
WHITE OAK LANDSCAPING
WC Exempt (Sole Owner)Licensed 2025 · 0 years in business
Sole Owner · Los Angeles County
License #1144997 · Status: CLEAR ✓
(562) 321 0962
Beyond Landscaping: Specialty Licenses in WHITTIER
Some WHITTIER landscapers also hold additional CSLB classifications — useful when a project spans trades like drainage, concrete, or pools.
- 4 also hold General Building (B)
- 2 also hold Electrical (C10)
- 2 also hold Masonry (C29)
- 2 also hold Swimming Pool (C53)
- 2 also hold Synthetic Products (D12)
WHITTIER Landscaping Market at a Glance
- 23 contractors hold a current, clear CSLB C-27 landscaping license
- 13 (57%) carry active workers' compensation insurance
- 8 (35%) are incorporated (Corporation or LLC)
- 16 have been licensed for 10 or more years
- Average time in business: 17.8 years
- Longest-established contractor: 41 years (licensed 1985)
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 WHITTIER work year-round?
Yes. WHITTIER sits in a near frost-free zone, so planting, irrigation work, and maintenance run every month of the year — though water-efficient design still matters under California's conservation rules.
