Infant Car Seat Laws by State (2026 Guide)

Installing the right car seat is only part of protecting your child. Every state has its own child passenger safety laws, and those rules don’t always match. A car seat that’s legal in one state may not satisfy another state’s requirements. Understanding the law where you live, and wherever you travel, helps keep your child safer and can help you avoid citations.

This guide summarizes state laws for educational purposes. Laws can change, so it’s always a good idea to review your state’s official guidance before traveling or purchasing a new car seat.

Table of contents

Why Infant Car Seat Laws Matter

Motor vehicle crashes remain one of the leading causes of serious injuries among children. Properly installed child restraints reduce the risk of severe injury during a collision.

State laws establish the minimum legal requirements for transporting children. Safety organizations often recommend keeping children in each type of restraint longer than the minimum required by law, provided they remain within the height and weight limits specified by the car seat manufacturer.

When choosing a car seat, remember that three things matter:

Your child’s age
Your child’s height and weight
The manufacturer’s instructions

Meeting only one of these requirements isn’t enough. The seat must also be installed correctly. You must be aware of the car seat expiration date and make sure seats are not expired.

Understanding Infant Car Seat Laws

Although every state has its own legislation, most laws follow a similar progression.

Child’s Stage	Typical Requirement
Infants	Rear-facing car seat
Toddlers	Forward-facing car seat with a harness
Young children	Booster seat
Older children	Vehicle seat belt when it fits properly

Many states also recommend that children younger than 13 ride in the rear seat whenever possible.

Throughout this guide, you’ll see two sections for each state:

What the law requires – the legal minimum.
Best practice – widely accepted child passenger safety guidance that often goes beyond the law.

California Infant Car Seat Laws

California has some of the most recognized child passenger safety laws in the country.

What the Law Requires

Under California law:

Children under 2 years old must ride in a rear-facing car seat unless they weigh 40 pounds or more or are 40 inches or taller.
Children under 8 years old must ride in a child safety seat or booster seat.
Children who are 8 years old or at least 4 feet 9 inches tall may use a properly fitted seat belt.

California Infant Car Seat Law at a Glance

Requirement	California Law
Rear-facing	Under 2 years old unless at least 40 lb or 40 in
Child safety seat	Under 8 years old
Seat belt	Age 8+ or at least 4 ft 9 in

Best Practice

Even after a child turns two, safety experts recommend keeping them rear-facing until they reach the maximum height or weight allowed by their car seat manufacturer. You might also be interested to read our guide on compensation for shoulder pain after a car accident.

Rear-facing seats provide better support for the head, neck, and spine during a collision.

North Carolina Infant Car Seat Laws

The NC infant car seat laws are based primarily on a child’s age and height.

What the Law Requires

North Carolina requires:

Children younger than 8 years old and shorter than 57 inches to use an appropriate child restraint system.
Children who are 8 years old or 57 inches tall may use a properly fitted seat belt.

For younger children, the restraint must match the manufacturer’s height and weight requirements.

North Carolina Law at a Glance

Requirement	North Carolina Law
Child restraint	Under 8 years old and under 57 inches
Seat belt	Age 8 or 57 inches tall

Best Practice

Although North Carolina law doesn’t specify an age for switching from rear-facing to forward-facing, parents should wait until their child reaches the rear-facing height or weight limit listed by the car seat manufacturer.

Turning a child forward-facing too early reduces the protection provided during a frontal crash.

Texas Infant Car Seat Laws

The Texas infant car seat laws apply to children based on age and height rather than a specific type of car seat.

What the Law Requires

Texas law requires:

Children younger than 8 years old to ride in an appropriate child passenger safety seat unless they are taller than 4 feet 9 inches.
The child restraint must be installed and used according to the manufacturer’s instructions.

Texas law doesn’t specify a required rear-facing age. Instead, parents must use the car seat according to the manufacturer’s instructions.

Texas Law at a Glance

Requirement	Texas Law
Child safety seat	Under 8 years old unless taller than 4 ft 9 in
Seat belt	Age 8+ or taller than 4 ft 9 in

Best Practice

Child passenger safety specialists recommend keeping infants and toddlers rear-facing for as long as the car seat allows based on its height and weight limits. This position offers greater protection for the head, neck, and spine during a crash.

Quick Comparison

California, North Carolina, and Texas infant car seat laws with rear-facing, booster seat, and age requirements. — California North Carolina and Texas Infant Car Seat Laws

State	Rear-Facing Requirement	Child Seat Requirement	Seat Belt Allowed
California	Under 2 (with exceptions)	Under 8	Age 8 or 4 ft 9 in
North Carolina	Follow manufacturer guidance	Under 8 and under 57 in	Age 8 or 57 in
Texas	Follow manufacturer guidance	Under 8 unless over 4 ft 9 in	Age 8 or over 4 ft 9 in

Choosing the Right Car Seat

Regardless of where you live:

Register your new car seat with the manufacturer.
Follow both the vehicle owner’s manual and the car seat manual.
Replace any car seat involved in a moderate or severe crash unless the manufacturer says otherwise.
Make sure the harness fits snugly every time your child rides.

Following these steps helps provide the protection the seat was designed to deliver.

Ohio Infant Car Seat Laws

Ohio has specific child restraint requirements based on a child’s age, weight, and height.

What the Law Requires

Under Ohio law:

Children younger than 4 years old or weighing less than 40 pounds must ride in a federally approved child restraint system used according to the manufacturer’s instructions.
Children under 8 years old and shorter than 4 feet 9 inches who have outgrown a child safety seat must use a booster seat.
Children ages 8 through 15 must be properly restrained using either a suitable child restraint or a seat belt.

Ohio Law at a Glance

Requirement	Ohio Law
Child safety seat	Under 4 years old or under 40 lb
Booster seat	Under 8 years old and under 4 ft 9 in
Seat belt	Ages 8–15 when properly restrained

Best Practice

Although Ohio law allows children to move through different restraint stages based on age, weight, and height, it’s safest to keep children rear-facing until they reach the maximum rear-facing limits listed by the car seat manufacturer. If your car has lifetime guarantee service, you can use that anytime to repair seat damage.

Virginia Infant Car Seat Laws

Virginia combines age-based requirements with a rear-facing requirement for young children.

What the Law Requires

Virginia law requires:

Children under 2 years old to ride in a rear-facing child restraint until they reach the minimum forward-facing weight specified by the manufacturer.
Children under 8 years old to ride in an approved child safety seat or booster seat.
Rear-facing seats should be installed in the back seat whenever one is available.

Virginia Law at a Glance

Requirement	Virginia Law
Rear-facing	Under 2 years old
Child safety seat	Under 8 years old
Rear seat	Required for rear-facing seats when available

Best Practice

Many children remain safest in a rear-facing seat even after turning two if they haven’t reached the seat’s height or weight limit.

Parents should also check that the harness fits snugly and the seat is installed according to both the vehicle owner’s manual and the car seat manufacturer’s instructions.

Iowa Infant Car Seat Laws

Iowa law requires young children to ride in an appropriate child restraint based on their age and size.

What the Law Requires

Iowa requires:

Children younger than 6 years old to ride in a federally approved child restraint system appropriate for their age, height, and weight.
Children ages 6 through 11 must use either a child restraint or a properly fastened seat belt.
Everyone 12 years and older must wear a seat belt when required under Iowa law.

Iowa Law at a Glance

Requirement	Iowa Law
Child safety seat	Under 6 years old
Child restraint or seat belt	Ages 6–11
Seat belt	Age 12 and older

Best Practice

Even after a child turns six, a booster seat is often the safer choice until the vehicle’s seat belt fits correctly across the shoulder and hips.

Hawaii Infant Car Seat Law

Hawaii updated its child passenger safety law to increase protection for young children.

What the Law Requires

Under Hawaii law:

Children under 2 years old must ride in a rear-facing child safety seat.
Children younger than 4 years old must use an appropriate child safety seat.
Children through age 9 must ride in a child safety seat or booster seat unless they are at least 4 feet 9 inches tall.

Hawaii Law at a Glance

Requirement	Hawaii Law
Rear-facing	Under 2 years old
Child safety seat	Under 4 years old
Booster seat	Through age 9 unless at least 4 ft 9 in

Best Practice

Children should continue using a booster seat until the vehicle’s seat belt fits properly, even if they have reached the minimum legal requirement.

New Jersey (NJ) Infant Car Seat Law

New Jersey has one of the more detailed child restraint laws in the United States.

What the Law Requires

New Jersey requires:

Children under 2 years old and weighing less than 30 pounds to ride in a rear-facing child restraint.
Children under 4 years old and under 40 pounds to ride in a child restraint that meets the manufacturer’s recommendations.
Children under 8 years old and shorter than 57 inches must continue using an appropriate child restraint or booster seat.

New Jersey Law at a Glance

Requirement	New Jersey Law
Rear-facing	Under 2 years old and under 30 lb
Child safety seat	Under 4 years old and under 40 lb
Booster seat	Under 8 years old and under 57 in

Best Practice

Children who still fit within the rear-facing limits of their car seat should remain rear-facing for the highest level of protection. Also, make sure you keep seats clean regularly. Otherwise, bad gas smell, mildew smell, or cigarette smell will be stuck inside car seats.

Arkansas Infant Car Seat Laws

Arkansas law combines age and weight requirements for child restraints.

What the Law Requires

Arkansas requires:

Children younger than 6 years old and weighing less than 60 pounds to ride in an appropriate child passenger restraint system.
Children 6 through 14 years old must wear a properly adjusted seat belt when riding in a vehicle.

Arkansas Law at a Glance

Requirement	Arkansas Law
Child restraint	Under 6 years old and under 60 lb
Seat belt	Ages 6–14 when child restraint no longer required

Best Practice

Parents should select a car seat based on the child’s height and weight rather than moving to the next stage as soon as the minimum legal age is reached.

Keeping children in the appropriate restraint longer generally provides better protection during a crash.

Quick Comparison

Ohio, Virginia, Iowa, Hawaii, New Jersey, and Arkansas infant car seat laws explained in one guide. — Ohio Virginia Iowa Hawaii NJ Arkansas Infant Car Seat Laws

State	Rear-Facing Requirement	Child Seat Requirement	Booster/Seat Belt Requirement
Ohio	Follow manufacturer guidance	Under 4 or under 40 lb	Booster under 8 and under 4 ft 9 in
Virginia	Under 2 years old	Under 8 years old	Seat belt after legal requirements are met
Iowa	Follow manufacturer guidance	Under 6 years old	Seat belt or restraint ages 6–11
Hawaii	Under 2 years old	Under 4 years old	Booster through age 9 unless at least 4 ft 9 in
New Jersey	Under 2 years old and under 30 lb	Under 4 and under 40 lb	Booster under 8 and under 57 in
Arkansas	Follow manufacturer guidance	Under 6 years old and under 60 lb	Seat belt ages 6–14

New York State Infant Car Seat Laws

New York has detailed child passenger safety requirements that cover car seats, booster seats, and seat belt use.

What the Law Requires

Under New York law:

Children under 2 years old must ride in a rear-facing car seat until they outgrow the manufacturer’s height or weight limits.
Children under 4 years old must ride in an appropriate child safety seat.
Children ages 4 through 7 must use a booster seat.
Children under 16 years old must be properly restrained while riding in a motor vehicle.

New York Law at a Glance

Requirement	New York Law
Rear-facing	Under 2 years old
Child safety seat	Under 4 years old
Booster seat	Ages 4–7
Seat belt	Under 16 years old must be properly restrained

Best Practice

Children should remain rear-facing until they reach the maximum rear-facing height or weight listed by the car seat manufacturer. Once they outgrow a forward-facing seat, they should continue using a booster seat until the vehicle’s seat belt fits correctly.

Kentucky Infant Car Seat Laws

Kentucky law bases child restraint requirements on a child’s height and age.

What the Law Requires

Kentucky requires:

Children 40 inches or shorter to ride in an approved child restraint system.
Children under 8 years old who are between 40 and 57 inches tall to use a booster seat.
Children 57 inches or taller, or 8 years old and older, may use a properly fitted seat belt.

Kentucky Law at a Glance

Requirement	Kentucky Law
Child restraint	40 inches or shorter
Booster seat	Under 8 years old and 40–57 inches
Seat belt	Age 8+ or at least 57 inches

Best Practice

Children should remain in each stage of restraint until they exceed the manufacturer’s height or weight limits rather than changing seats simply because they meet the minimum legal requirement.

Massachusetts Infant Car Seat Laws

Massachusetts requires children to ride in an appropriate child restraint until they meet both age and height requirements.

What the Law Requires

Massachusetts law requires:

Children under 8 years old or shorter than 57 inches to ride in a federally approved child restraint appropriate for their age and size.
Children who are 8 years old or at least 57 inches tall may use a properly fitted seat belt.

Massachusetts Law at a Glance

Requirement	Massachusetts Law
Child restraint	Under 8 years old or under 57 inches
Seat belt	Age 8+ or at least 57 inches

Best Practice

Parents should continue using a booster seat until the lap belt rests across the upper thighs and the shoulder belt crosses the center of the chest without touching the neck.

Nevada Infant Car Seat Laws

Nevada’s child restraint law focuses primarily on age and weight.

What the Law Requires

Nevada requires:

Children under 6 years old and weighing less than 60 pounds to ride in an approved child restraint system.
Once children no longer meet these requirements, they may use the vehicle’s seat belt if it fits properly.

Nevada Law at a Glance

Requirement	Nevada Law
Child restraint	Under 6 years old and under 60 lb
Seat belt	After child restraint requirements are met

Best Practice

Children often need a booster seat even after they reach six years of age because many vehicle seat belts do not fit correctly until a child is taller.

Maryland Infant Car Seat Laws

Maryland law combines age and height requirements.

What the Law Requires

Maryland requires:

Children younger than 8 years old to ride in an appropriate child safety seat unless they are 4 feet 9 inches or taller.
The restraint must be used according to the manufacturer’s instructions.

Maryland Law at a Glance

Requirement	Maryland Law
Child safety seat	Under 8 years old unless at least 4 ft 9 in
Seat belt	Age 8+ or at least 4 ft 9 in

Best Practice

Rear-facing seats provide the highest level of protection for infants and toddlers. Parents should delay switching to a forward-facing seat until the rear-facing limits have been reached.

Missouri Infant Car Seat Laws

Missouri uses several age groups to determine child restraint requirements.

What the Law Requires

Missouri law requires:

Children under 4 years old or weighing less than 40 pounds to ride in an approved child safety seat.
Children ages 4 through 7 who weigh at least 40 pounds but less than 80 pounds, or who are shorter than 4 feet 9 inches, must ride in a booster seat.
Children 8 years old and older, or at least 80 pounds or 4 feet 9 inches tall, may use a seat belt.

Missouri Law at a Glance

Requirement	Missouri Law
Child safety seat	Under 4 years old or under 40 lb
Booster seat	Ages 4–7 with additional height/weight limits
Seat belt	Age 8+, 80 lb, or at least 4 ft 9 in

Best Practice

Moving a child into a booster seat too soon can reduce protection. Keep children in a forward-facing harness until they exceed the manufacturer’s limits.

Indiana Infant Car Seat Laws

Indiana law requires children to ride in an appropriate child restraint until they reach a certain age.

What the Law Requires

Indiana requires:

Children younger than 8 years old to ride in a child restraint system that is properly installed and appropriate for the child’s height and weight.
Children 8 through 15 years old must wear a seat belt in all seating positions.

Indiana Law at a Glance

Requirement	Indiana Law
Child restraint	Under 8 years old
Seat belt	Ages 8–15

Best Practice

Even after children become eligible to use a seat belt under Indiana law, they should remain in a booster seat until the seat belt fits correctly across the shoulder and hips.

Quick Comparison

New York, Kentucky, Massachusetts, Nevada, Maryland, Missouri, and Indiana infant car seat laws explained. — New York State Kentucky Massachusetts Nevada Maryland Missouri and Indiana Infant Car Seat Laws

State	Rear-Facing Requirement	Child Seat Requirement	Booster Seat Requirement
New York	Under 2 years old	Under 4 years old	Ages 4–7
Kentucky	Follow manufacturer guidance	Up to 40 inches	Under 8 years old
Massachusetts	Follow manufacturer guidance	Under 8 years old or under 57 in	As needed until seat belt fits
Nevada	Follow manufacturer guidance	Under 6 years old and under 60 lb	Recommended until proper seat belt fit
Maryland	Follow manufacturer guidance	Under 8 years old unless at least 4 ft 9 in	As appropriate
Missouri	Follow manufacturer guidance	Under 4 years old or under 40 lb	Ages 4–7 with size requirements
Indiana	Follow manufacturer guidance	Under 8 years old	As needed before seat belt fit

Infant Car Seat Law Quick Comparison

The table below provides a quick overview of the states covered in this guide. Always check the latest official guidance before traveling, as state laws can change.

State	Rear-Facing Requirement	Child Safety Seat	Booster Seat	Seat Belt
California	Under 2 years old (with exceptions)	Under 8 years old	Included	Age 8+ or 4 ft 9 in
North Carolina	Follow manufacturer	Under 8 years old and under 57 in	As needed	Age 8 or 57 in
Texas	Follow manufacturer	Under 8 years old unless over 4 ft 9 in	As needed	Age 8+ or over 4 ft 9 in
Ohio	Follow manufacturer	Under 4 years old or under 40 lb	Under 8 and under 4 ft 9 in	Ages 8–15
Virginia	Under 2 years old	Under 8 years old	As needed	After legal requirements are met
Iowa	Follow manufacturer	Under 6 years old	As needed	Ages 6–11 or when seat belt fits
Hawaii	Under 2 years old	Under 4 years old	Through age 9 unless at least 4 ft 9 in	After requirements are met
New Jersey	Under 2 years old and under 30 lb	Under 4 years old and under 40 lb	Under 8 years old and under 57 in	After requirements are met
Arkansas	Follow manufacturer	Under 6 years old and under 60 lb	As appropriate	Ages 6–14
New York	Under 2 years old	Under 4 years old	Ages 4–7	Under 16 properly restrained
Kentucky	Follow manufacturer	Up to 40 inches	Under 8 years old	Age 8+ or 57 inches
Massachusetts	Follow manufacturer	Under 8 years old or under 57 in	Until seat belt fits	Age 8+ or 57 inches
Nevada	Follow manufacturer	Under 6 years old and under 60 lb	Recommended until seat belt fits	After child restraint requirement
Maryland	Follow manufacturer	Under 8 years old unless at least 4 ft 9 in	As appropriate	Age 8+ or at least 4 ft 9 in
Missouri	Follow manufacturer	Under 4 years old or under 40 lb	Ages 4–7 with size limits	Age 8+, 80 lb, or 4 ft 9 in
Indiana	Follow manufacturer	Under 8 years old	As needed	Ages 8–15

Common Exceptions to Infant Car Seat Laws

Although child passenger safety laws differ from state to state, many include similar exceptions.

Examples may include:

School buses and certain commercial vehicles
Emergency transportation when no child restraint is available
Medical exemptions supported by documentation
Older vehicles that were not manufactured with rear seats or seat belts in every seating position

These exceptions vary by state. If you’re unsure whether one applies to your situation, review your state’s official law before traveling.

What Happens if You Violate Infant Car Seat Laws?

The penalties for violating child passenger safety laws depend on the state.

Possible consequences include:

Traffic citations
Monetary fines
Court costs
Driver education requirements
Points on your driving record in some jurisdictions

Some states reduce or dismiss penalties if the driver obtains an approved child restraint before the court date.

The financial penalty is often small compared to the safety risk of transporting a child without the proper restraint. A rarely discussed practice is to keep car seats clean. This practice will also keep your car smell like a new one.

Traveling Between States

Families often wonder which law applies during road trips.

In most situations, you’re expected to comply with the child passenger safety laws of the state where you’re driving.

For example, if your trip begins in Texas and continues through Arkansas, Tennessee, and North Carolina, it’s wise to follow the requirements that apply in each state along your route.

Using the safest restraint appropriate for your child’s height and weight usually helps satisfy the legal requirements in most states while providing better protection.

How to Choose the Right Car Seat

Selecting the correct car seat depends on more than your child’s age.

Consider these factors before making a decision:

Rear-Facing Car Seats

Rear-facing seats are designed for infants and young toddlers.

They provide excellent support for the head, neck, and spine during a collision.

Forward-Facing Car Seats

Once children outgrow the rear-facing limits specified by the manufacturer, they can transition to a forward-facing seat with a harness.

Booster Seats

Booster seats position the vehicle’s seat belt correctly across the child’s shoulder and hips.

Many children need a booster longer than parents expect because adult seat belts are designed for larger passengers.

Seat Belts

A child is ready for a seat belt alone only when:

The lap belt fits low across the hips.
The shoulder belt crosses the center of the chest.
The child can sit with their back against the seat.
Their knees bend naturally over the edge of the seat.
They can stay in that position throughout the trip.

Final Thoughts

Infant car seat laws are designed to improve child passenger safety, but the specific requirements differ from one state to another. Understanding your state’s rules helps you choose the correct restraint and avoid unnecessary penalties.

Whether you live in California, Texas, North Carolina, Ohio, Virginia, New York, or any other state covered in this guide, the safest approach is to use a child restraint that matches your child’s height, weight, and age while following both the manufacturer’s instructions and your state’s legal requirements.

As your child grows, review the next stage of restraint before making the transition. Keeping children in the appropriate car seat for as long as possible within the manufacturer’s limits provides better protection during everyday travel.

FAQs

Which state has the strictest infant car seat law?

Several states have more detailed requirements than others. California, Virginia, Hawaii, New Jersey, and New York all include specific rear-facing requirements for young children.

Do all states require rear-facing car seats?

No. Many states require rear-facing seats for infants under a certain age, while others require parents to follow the car seat manufacturer’s instructions instead.

Can my child use a booster seat instead of a car seat?

Only after meeting your state’s legal requirements and the booster seat manufacturer’s height and weight limits. Moving to a booster too early reduces the protection provided during a crash.

Can my child ride in the front seat?

Although some states allow it under certain circumstances, the rear seat is generally the safest location for children under 13 years old.

Do rental cars require child safety seats?

Yes. Child passenger safety laws apply to rental vehicles just as they do to privately owned vehicles. Parents are responsible for ensuring that children are properly restrained.

Can I install the car seat myself?

Yes. Most parents install car seats themselves using the manufacturer’s instructions and the vehicle owner’s manual.

If you want additional reassurance, many communities offer child passenger safety inspections performed by certified technicians.

Does a child need a new car seat after a crash?

Many manufacturers recommend replacing a car seat after a moderate or severe crash. Always follow the replacement guidance provided by the car seat manufacturer.