For Arizona tree service workers comp, note that the ROC has no license class naming tree trimming or tree service, so the carrier classifies a tree crew by the work it does: climbing, rigging, cutting and chipping. Climbers and groundworkers you supervise are typically treated as your employees, and owners with 50% or more need their own written election, accepted by the carrier, to be included.
Start with what Arizona doesn't have: the ROC class list includes no class that names tree trimming or tree service. Licensing becomes a question to put to the Registrar of Contractors, and for workers comp, no license class steers the classification; the work does.
| Rule | What It Means for a Tree Company | Source |
|---|---|---|
| ROC license class | No class names tree trimming or tree service; ask the ROC what your jobs need. | Arizona Administrative Code R4-9-102 |
| Statutory employer | An outside climber or crane crew doing work that is part of your trade, under your supervision or control, may count as your employees. | Arizona Revised Statutes 23-902 |
| Sole proprietor waiver | A solo climber working as an independent contractor may waive coverage on a form both the climber and your carrier sign and date. | Arizona Revised Statutes 23-961 |
| Audit findings first | Premium on workers treated as yours under the statutory employer or independent contractor rules needs written audit findings. | Arizona Revised Statutes 23-961 |
| Employee rejection | A groundworker or climber may reject coverage only in writing, before any injury. | Arizona Revised Statutes 23-906 |
| Owners | Working members or shareholders under 50% are employees; at 50% or more, only by a written election the carrier accepts. | Arizona Revised Statutes 23-901 |
Working partners and sole proprietors face the same election as majority owners. Agree on who is in before the first climb of the policy year. The Arizona statutory employer rule page shows how these rules work for other trades.
Arizona workers comp runs on NCCI classifications, and our research found no Arizona class list published by an official source, so this page names no codes. A tree company's classification rests on a description of the work: who climbs, who runs the chipper, who grinds stumps and who estimates. The carrier assigns it from that description and may revisit it at audit. California tree codes don't apply here; workers comp class codes for contractors and restaurants shows what each state publishes.
Some tree jobs border other trades. Lot clearing with a skid steer may be reviewed against earthwork, as Arizona grading workers comp describes, and crews that also plant and irrigate can compare Arizona landscaping workers comp insurance.
Describe the Work in Plain Words
Because no Arizona license class names tree work, the application's description carries the weight. We don't assign or confirm class codes; the carrier decides from the duties you describe and what the auditor later sees.
Illustrative scenario
Illustrative only. Two people own a Tucson tree company as an LLC. The majority member climbs and runs the saw; the minority member, who owns less than 50%, runs the ground crew and the chipper. Under Arizona's owner rules, the minority member is an employee for workers comp. The majority member joins only if the carrier agrees, in a written endorsement, to that member's election. Because no ROC class names tree work, the application spells out climbing, rigging and chipping so the carrier can classify each person. Put the same company in Nevada and the ownership line drops away, since Nevada's owner rules set no percentage.
Bringing In a Climber Without Paper
When a big removal comes up, a tree company may call in an outside climber or crane crew and pay by check. When the job falls within the company's usual work and its foreman runs it, the outside crew may be treated as the company's employees. Without a certificate of workers comp, or a sole proprietor waiver signed by the climber and your carrier, the audit is where that question gets answered.
Workers comp answers for your own crew's injuries. A trunk that crushes a client's block wall, a chipper that throws debris into a parked car or a bucket truck that backs into a carport usually goes to general liability, equipment coverage or commercial auto. Tree trimming workers comp lines Arizona up with California and Nevada, and crews that cross into Nevada can read Nevada tree service workers comp.
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The ROC's published class list has no class that names tree trimming or tree service. Whether a particular job needs a license, for example because it is bundled with landscaping or construction, is a question for the Registrar of Contractors. Workers comp doesn't wait on that answer: once you have employees, the carrier classifies them from what they do.
Under NCCI classifications, assigned by the carrier from a description of the work. Climbing, rigging, stump grinding and lot clearing may not all be classified alike, so describe each and keep payroll by role. We don't publish Arizona codes and don't assign or confirm them.
You may be treated as its employer. Arizona Revised Statutes 23-902 asks whether the removal is part of your regular trade and whether you direct the crane crew; where both hold, its workers may count as yours. Ask for a current certificate before the crane sets up, and keep it for the audit.
Yes, for a climber who is a sole proprietor and truly works on their own terms. Arizona Revised Statutes 23-961 makes the waiver valid only with dated signatures from that climber and from your carrier, so finish the paperwork before anyone goes up the tree.
Partners who work in the business are on the Arizona policy only if they elect in writing and the carrier chooses to accept that by endorsement. If you form an LLC instead, a working member under 50% is an employee and one at or above it elects in the same way. Sort it out with the carrier when the policy is written.
7 official sources
Reviewed by David Gleason, Principal, on .
Next Level Experience. Insurance Done Right.
Arizona tree service workers comp, from outside climbers to owner elections.
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