An injured construction worker in Arizona often hears the same thing in the first week: workers’ comp is filed, so the legal side is handled. That advice is half right, and the missing half is where most of the money lives.
Arizona construction injuries run on two tracks at once. One track is workers’ compensation against the employer. The other is a full negligence claim against the other companies on the site. The two tracks answer different questions, follow different rules, and pay very different amounts.
This guide explains what each track covers, why “I already have comp” isn’t the end of the analysis, who the second track can reach on a typical job site, and the deadlines that quietly end these cases before anyone looks at the merits.
Its practical companion, what to do in the first week after a job-site injury, walks through the immediate moves that protect both tracks.
The Two Tracks After a Construction Injury
Workers’ compensation is a bargain written into Arizona law. The worker gives up the right to sue the employer for negligence, and in exchange gets benefits without having to prove anyone was at fault.
Medical care and a portion of lost wages get paid, but pain and suffering, full lost earnings, and the rest of a tort recovery don’t.
The second track is different in kind. It’s an ordinary negligence lawsuit, and it lives outside the comp bargain entirely. It reaches everyone on the site who isn’t the injured worker’s own employer, and it puts the full range of damages back on the table.
The mistake that costs families the most is treating the first track as the whole case. A construction site is one of the most crowded workplaces in the state, with a general contractor, a stack of subcontractors, equipment owners, and a property owner all in the same footprint.
Any of them can be the reason a worker got hurt, and any of them can be a defendant.
Track One: Workers’ Comp and the Exclusive-Remedy Bar
Arizona’s comp bar is written in plain terms. Under ARS 23-1022, the right to recover compensation is the exclusive remedy against the employer or a co-employee acting in the scope of employment, and against the employer’s comp insurance carrier. In practice, that forecloses a negligence suit against the company that signs the worker’s checks.
The bar exists because comp already gives the worker something in return. ARS 23-906 confirms the trade: an employer who secures comp coverage isn’t liable at common law for a workplace injury, and every employee is presumed to have accepted comp unless they reject it in writing before an injury happens.
The reason to keep the comp claim running is that it pays regardless of fault and pays quickly. The reason it can’t be the whole case is that it never pays pain and suffering and covers only a portion of lost wages. The two tracks aren’t competitors. A worker pursues both.
The exclusive-remedy bar has narrow exits, and it’s worth naming them so no one relies on a door that isn’t really open. ARS 23-1022 lets a worker sue the employer directly only for wilful misconduct, which the statute defines as an act done knowingly and purposely with the direct object of injuring the worker.
That’s a demanding standard, and ordinary carelessness, even serious carelessness, doesn’t meet it.
A second set of exits opens when the employer breaks the rules that make comp the deal. If the employer failed to secure comp coverage, ARS 23-907 makes that employer liable in an ordinary civil action and lets the injured worker elect to sue instead of taking comp.
A separate exit under ARS 23-906 applies when the employer failed to post and keep posted the required notice and the blank rejection forms. An employee injured during that lapse may elect to sue the employer instead of taking comp.
These exceptions decide a minority of cases. For most injured workers, the real recovery is on the second track.
Track Two: The Third-Party Claim
The statute that opens the second track is ARS 23-1023. It says that when a worker entitled to comp is injured “by the negligence or wrong of another person not in the same employ,” the worker may pursue their remedy against that other person.
The phrase “not in the same employ” is the whole game. It excludes the employer and co-employees, and it includes everyone else on the site.
That’s a wide field. A general contractor carries responsibility for overall site safety. Subcontractors control their own crews and the hazards those crews create. Equipment gets owned by one company, operated by another, and manufactured by a third.
The land underneath belongs to a property owner. On a public project, a government entity may sit at the top of the chain.
Because the third-party claim is an ordinary negligence action, it reaches ordinary tort damages. That means full lost earning capacity rather than a fraction of wages, the complete medical bill rather than the comp fee schedule, and pain and suffering, which comp never pays at all.
Arizona also places no cap on those damages. Article 2, Section 31 of the Arizona Constitution bars any law limiting the amount recoverable for a person’s death or injury. Those rules describe the ceiling, not a promise, and what any given case recovers always depends on its facts.
A worker who understands the second track early is in a very different position from one who assumed comp closed the file. The firm’s overview of how a construction accident case gets built walks through the steps behind a serious-injury claim.
How Fault Gets Divided on a Crowded Site
A construction case rarely has one clean defendant, and Arizona’s fault rules are built for exactly that. Two statutes control how a multi-party site sorts out.
First, Arizona follows pure comparative negligence under ARS 12-2505. A claimant’s own share of fault reduces the recovery in proportion, but it doesn’t bar the claim. Even a worker found partly responsible for the injury recovers, with the award trimmed by that percentage.
The statute’s only hard exclusion is for a claimant who intentionally, wilfully, or wantonly caused the harm.
Second, Arizona abolished joint-and-several liability. Under ARS 12-2506, each defendant is liable only for its own share, in direct proportion to its percentage of fault, and the jury assigns those percentages across every company that contributed, including companies that were never named as parties.
There’s a narrow exception for defendants acting in concert or through an agent, but the default is several liability.
Because fault gets apportioned across everyone who contributed, leaving a responsible contractor or equipment owner out of the case doesn’t shift their share onto the others. It can simply vanish from the recovery.
Identifying every company on the site, and preserving the evidence that ties each one to the hazard, isn’t a detail. It’s the difference between a full recovery and a partial one.
The Comp Lien: Why “I Already Have Comp” Isn’t the End
Running both tracks raises a fair question: if comp already paid, does the third-party recovery just go back to the insurer? The answer is no, and the mechanics matter.
Under ARS 23-1023(D), the comp carrier that paid benefits holds a lien on the amount collected from the third party, to the extent of the compensation and medical benefits it paid. That lien attaches to the recovery after reasonable and necessary expenses, including attorney fees, are subtracted.
The carrier is reimbursed for what it laid out, and the worker keeps the rest.
The rest can be substantial, because the third-party claim reaches categories of damage that comp never touched. Pain and suffering, full lost earning capacity, and the uncovered portion of medical costs all belong to the worker, not the lien.
A well-built third-party case pays the comp lien and still delivers a recovery that comp alone could never approach.
That framing also explains why the two tracks are complements rather than a choice. The comp claim keeps benefits flowing while the tort case develops. The tort case delivers the full value. Neither one has to be sacrificed for the other.
The Deadlines That Decide the Case
Deadlines end construction cases before the merits ever get heard, and this area has more than one clock running at the same time.
The base deadline is the two-year statute of limitations under ARS 12-542, measured from the date of the injury. Missing it permanently bars the third-party claim regardless of how strong the underlying facts are.
There’s a second, shorter clock built specifically into the comp system, and it catches workers who assume they have the full two years. Under ARS 23-1023(B), a worker who has accepted comp must file the third-party action within one year after the cause of action accrues.
If the worker doesn’t, the claim is deemed assigned to the comp carrier or self-insured employer, which may then pursue, settle, or reassign it. The claim isn’t gone, but control of it has moved.
The safe course is to file the third-party suit inside that one-year window and keep the case in the worker’s hands.
A third clock appears whenever a government entity is in the chain, which happens often on public infrastructure and public-building projects. If the at-fault party is a city, a county, ADOT, or a public school district, ARS 12-821.01 requires a notice of claim served within 180 days of the injury.
The notice must state the facts giving rise to the claim and a specific amount for which it can be settled. It’s a condition precedent to filing suit, and missing the 180-day window bars recovery against the public entity even if the two-year statute of limitations hasn’t run.
The 180-day clock runs independently of the two-year deadline.
A construction case can carry a two-year statute of limitations, a one-year third-party filing window under ARS 23-1023(B), and a 180-day public-entity notice deadline all at once. Each runs on its own schedule. A worker who waits to see how the injury heals can forfeit a claim without ever knowing the clock was running.
The comp side has its own reporting timeline that a worker shouldn’t let slide either. A comp claim can be contested quickly once it’s filed.
That’s another reason to document the injury and its cause from the first day, which protects both tracks at the same time.
When to Consult Counsel
Three situations warrant a same-week conversation with an attorney who handles construction injury claims.
The first is any injury on a site with more than one company present, which describes nearly every commercial construction project. The comp claim will move on its own, but the third-party claim depends on identifying every responsible company and preserving the evidence before the site changes.
The second is a fatality. When a construction injury kills a worker, the family’s claim shifts into wrongful-death territory, with its own damages and its own survivor rules.
The third is a public project. The 180-day notice deadline under ARS 12-821.01 is short, unforgiving, and easy to miss while a worker is focused on recovery. If a city, county, ADOT, or school district is anywhere in the chain of companies on the site, the clock is already running.
The through-line in all three is time. The evidence on a construction site is temporary, the one-year assignment clock is quiet, and the public-entity deadline is short. Understanding both tracks early is what keeps the full recovery available.
Frequently asked questions
Can I sue my employer for a construction injury in Arizona?
What is a third-party claim in an Arizona construction case?
How long do I have to file a construction injury claim in Arizona?
Does workers' comp reduce what I can recover from a third party?
Who can be sued after a construction site injury in Arizona?
What if a government agency owns the construction project?
Sources & references
- Arizona State Legislature. ARS 23-1022: Compensation as Exclusive Remedy for Employees; Definition; Exceptions; Public Agency Employees https://www.azleg.gov/ars/23/01022.htm
- Arizona State Legislature. ARS 23-1023: Liability of Third Person to Injured Employee; Election of Remedies https://www.azleg.gov/ars/23/01023.htm
- Arizona State Legislature. ARS 23-906: Liability Under Chapter or Under Common Law of Employer Securing Compensation; Right of Employee to Make Election https://www.azleg.gov/ars/23/00906.htm
- Arizona State Legislature. ARS 23-907: Liability of Employer Failing to Secure Compensation; Defenses; Presumption; Right of Employee to Compensation Under Chapter https://www.azleg.gov/ars/23/00907.htm
- Arizona State Legislature. ARS 12-542: Injury to Person; Two Year Limitation https://www.azleg.gov/ars/12/00542.htm
- Arizona State Legislature. ARS 12-2505: Comparative Negligence; Definition https://www.azleg.gov/ars/12/02505.htm
- Arizona State Legislature. ARS 12-2506: Joint and Several Liability Abolished; Exception; Apportionment of Degrees of Fault https://www.azleg.gov/ars/12/02506.htm
- Arizona State Legislature. ARS 12-821.01: Authorization of Claim Against Public Entity, Public School or Public Employee https://www.azleg.gov/ars/12/00821-01.htm
- Arizona State Constitution. Article 2, Section 31: Damages for Death or Personal Injuries https://www.azleg.gov/const/2/31.htm