Traffic Safety · Car Seat & Booster
Car Seat & Booster Laws in Oregon
When your child can move from a booster to a seat belt in Oregon, plus rear-facing, front-seat, and the fine, with the law kept separate from best practice.
Prefer a quick check? Run your child's age, height, and weight through the Oregon car seat checker →
Check your child's stage in Oregon
Enter age, height, and weight. We show the Oregon law separately from best practice.
4′9″ = 57 in. Enter only the boxes you have; this state uses a booster is required for children over 40 lb who are 4′9″ or shorter; reaching age 8 or a height above 4′9″ exits (weight over 40 lb starts the booster stage, not age).
Educational guide to the minimum legal requirement, not legal or safety advice. Best practice is often stricter than the law. Always follow your car seat’s manufacturer instructions, and confirm the current rule with the official source below (last reviewed 2026-07-11).
The four stages in Oregon
Each rung is tagged Law or best practice.
A child under 2 must be secured in a child safety system in a rear-facing position. Oregon sets this orientation by statute, not by manufacturer instructions alone.
A child who weighs 40 lb or less must be in a child safety system that meets state standards. After age 2 this is typically a forward-facing harness seat, used to the manufacturer’s limit.
A child over 40 lb who is 4′9″ or shorter must use a booster or other child safety system that raises them so the belt fits. A person 8 or older may use the vehicle belt instead, so the requirement ends at age 8 or a height above 4′9″.
Exit rule: a booster is required for children over 40 lb who are 4′9″ or shorter; reaching age 8 or a height above 4′9″ exits (weight over 40 lb starts the booster stage, not age). The adult belt must fit — lap low across the hips, shoulder belt across the chest.
Front seat, the fine & the source
Seating rule, the exact booster logic, and any recent change.
Oregon’s statute does not require children to ride in the rear seat. NHTSA recommends the back seat for everyone under 13, but that is guidance, not Oregon law.
| Booster exit logic | Age 8 or 4′9″ — whichever first |
| Seat belt OK | Age 8, or once taller than 4′9″ |
| First-offense fine | $115 (presumptive) A violation is a Class D traffic offense. ORS 811.210 itself fixes no dollar amount; the presumptive fine (about $115, sometimes cited as $110) is set by Oregon’s general traffic-fine schedule, not by this section. |
| Statute | ORS §811.210 |
What Oregon parents get wrong
Oregon writes rear-facing into law: a child under 2 must ride rear-facing in a child safety system, so this is a statute here, not just a manufacturer recommendation. The booster stage keys off weight and height rather than a fixed start age. A child over 40 lb who is 4′9″ or shorter needs a booster, and the requirement ends at age 8 or once the child grows past 4′9″. You may see local guidance say a child must be "both 4′9″ AND age 8" to leave the booster, but the statute itself lets a child 8 or older ride with the vehicle belt, so age 8 or 4′9″ is the exit. Oregon has no rear-seat law, so "back seat until 13" is a NHTSA recommendation, not law. One honesty note: ORS 811.210 sets no dollar fine. The roughly $115 figure comes from Oregon’s general Class D traffic-fine schedule.
Common questions
When can a child stop using a booster in Oregon?
At age 8, or once the child is taller than 4′9″, whichever comes first. A child over 40 lb who is 4′9″ or shorter needs a booster until then.
Does Oregon require rear-facing car seats by age?
Yes. A child under 2 must ride rear-facing in a child safety system. Oregon sets this by statute rather than leaving it to manufacturer instructions.
Does my child have to be both age 8 and 4′9″ to leave the booster in Oregon?
No. The statute lets a child 8 or older use the vehicle safety belt, so reaching age 8 or a height above 4′9″ ends the booster requirement. Some local guidance frames it as needing both, but that is a safety recommendation, not the exit set in law.
What is the fine for a car-seat violation in Oregon?
It is a Class D traffic violation. ORS 811.210 sets no dollar figure; the presumptive fine is about $115 (sometimes cited as $110) under Oregon’s general traffic-fine schedule.
Not legal advicePlainStatute provides plain-language summaries of public law for general information only. This is not legal advice. Statutes change; always confirm current requirements with the official source linked above before acting.