If you need the actual Arizona car seat law — not a guess — this page has it: the restraint stages, the fine for a violation, whether kids can ride up front, and a link to the official statute, all verified against Arizona Legislature publications.
Law data last verified against official state sources: October 4, 2026.
Quick answer
Arizona requires children under 5 to be in a child restraint system, children ages 5–8 who are 4’9″ or shorter to be in a child restraint system (including boosters), and imposes a $50 civil penalty per violation.
Arizona car seat requirements by age and size
| Stage | What Arizona law requires |
|---|---|
| Rear-facing | Not specified in statute (orientation not mandated by law). |
| Forward-facing | Not specified in statute. |
| Booster seat | Each passenger at least 5 years old but under 8 years old and not more than 4 feet 9 inches tall must be restrained in a child restraint system (which includes booster seats). Children under 5 must be properly secured in a child restraint system. |
| Seat belt only | Age 8 (or taller than 4’9″). |
Fines and penalties in Arizona
Fine: $50 civil penalty; not imposed if the person shows the vehicle was subsequently equipped with a compliant child restraint system.
Front seat rules in Arizona
Front-seat rule: not specified in state law. Note: .
The official law
- Statute: A.R.S. § 28-907
- Official source: Arizona Legislature
Research note: Arizona’s statute does not mandate rear-facing or forward-facing orientation; it sets restraint requirements by age and height.
Arizona car seat law FAQs
What is the fine for a car seat violation in Arizona?
Fine: $50 civil penalty; not imposed if the person shows the vehicle was subsequently equipped with a compliant child restraint system.
When can my child stop using a booster seat in Arizona?
Each passenger at least 5 years old but under 8 years old and not more than 4 feet 9 inches tall must be restrained in a child restraint system (which includes booster seats). Children under 5 must be properly secured in a child restraint system. Age 8 (or taller than 4’9″).
Does Arizona law require rear-facing car seats?
Not specified in statute (orientation not mandated by law).
Can my child ride in the front seat in Arizona?
Front-seat rule: not specified in state law. Note: .
Where can I read the official Arizona car seat law?
Statute: A.R.S. § 28-907 Official source: Arizona Legislature.
Check another state
Driving across state lines? Requirements change at the border — use our interactive car seat law checker to look up any state by your child’s age, weight, and height.
Related state guides:
This page is for general informational purposes only and is not legal advice. Child passenger safety laws change — always verify current requirements with your state’s DMV, highway safety office, or the official statute linked below before making decisions.