CSLB-Verified ยท California
Licensed Landscaping Contractors in ALTADENA, CA
11 verified contractors ยท 7 with active workers' comp ยท Average 14 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 ALTADENA means looking beyond reviews. Of the 11 CSLB-licensed contractors operating in ALTADENA, 7 carry active workers' compensation insurance โ 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 ALTADENA
ALTADENA sits in USDA Plant Hardiness Zone 10b, with minimum temperatures of 35โ40ยฐF and no meaningful frost season. Zone 10b is one of the most favorable climates for landscaping in the United States โ 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 โ a contractor who understands Zone 10b biology is worth asking about.
11 Licensed Landscapers in ALTADENA
Environmental Landscape Development Inc
Licensed 2007 ยท 18 years in business
Corporation ยท Los Angeles County
License #902300
Status: CLEAR โ
Noah's Ark Landscaping Inc
Licensed 2024 ยท 2 years in business
Corporation ยท Los Angeles County
License #1115757
Status: CLEAR โ
Bottoms Up - Gardens & Tree Care
Licensed 1997 ยท 28 years in business
Sole Owner ยท Los Angeles County
License #743800
Status: CLEAR โ
(626) 644 3733
License valid through Dec 2027
$25,000 bond ยท Hudson Insurance Company
Valley Green Inc
Licensed 2004 ยท 21 years in business
Corporation ยท Los Angeles County
License #844306
Status: CLEAR โ
(626) 376 7779
License valid through Jan 2028
$25,000 bond ยท American Contractors Indemnity Company
Online since 2008
Lopez Tree & Landscape Inc
Licensed 2014 ยท 11 years in business
Corporation ยท Los Angeles County
License #997458
Status: CLEAR โ
(626) 217 8035
License valid through Jan 2027
$25,000 bond ยท Merchants Bonding Company (Mutual)
Online since 2011
Scott Landscape Group
Licensed 1992 ยท 34 years in business
Corporation ยท Los Angeles County
License #641419
Status: CLEAR โ
(626) 482 4941
License valid through Sep 2026
$25,000 bond ยท Hudson Insurance Company
Scrub Jay Studios Inc
Licensed 2013 ยท 12 years in business
Corporation ยท Los Angeles County
License #985574
Status: CLEAR โ
(626) 375 5907
License valid through Jul 2027
$25,000 bond ยท American Contractors Indemnity Company
Online since 2008
Socal Landscape And Trees
Licensed 2025 ยท 1 years in business
Corporation ยท Los Angeles County
License #1138267
Status: CLEAR โ
(626) 893 0522
License valid through Jun 2027
$25,000 bond ยท American Contractors Indemnity Company
Online since 2025
Linares Landscaping LLC
Licensed 2025 ยท 0 years in business
Limited Liability ยท Los Angeles County
License #1143601
Status: CLEAR โ
(626) 818 0757
License valid through Sep 2027
$25,000 bond ยท American Contractors Indemnity Company
Rebollo's Landscaping
Licensed 2000 ยท 26 years in business
Sole Owner ยท Los Angeles County
License #776439
Status: CLEAR
(626) 255 7226
License valid through Mar 2028
$25,000 bond ยท Merchants Bonding Company (Mutual)
Raney James J
Licensed 2016 ยท 9 years in business
Sole Owner ยท Los Angeles County
License #1017352
Status: CLEAR โ
(626) 278 4866
License valid through Aug 2026 ยท expiring soon
$25,000 bond ยท Hudson Insurance Company
ALTADENA Landscaping Market at a Glance
- 11 hold a current, clear CSLB C-27 landscaping licence in ALTADENA
- 7 (64%) carry active workers' compensation insurance
- 8 (73%) are incorporated (Corporation or LLC)
- 7 have been licensed 10+ years
- Average time in business: 14 years
Beyond Landscaping: Specialty Licenses in ALTADENA
Some ALTADENA 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 C21 (C21)
- 1 also hold Swimming Pool (C53)
- 2 also hold Tree Service (D49)
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.
Do landscapers in ALTADENA work year-round?
Yes. ALTADENA sits in a near frost-free zone, so planting, irrigation work, and maintenance run every month of the year โ though water-efficient design still matters under California's conservation rules.