Here’s How to Make a Homemade Car Street Legal

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How to Make a Homemade Car Street Legal

So you’ve built yourself a sweet homemade car, but you’re not sure how to make it street legal? There are various steps involved in making homemade car street legal. Not to worry – we’ll show you how to make a homemade car street legal. In this guide, we’ll walk you through the process of making your homemade car street-legal. 

How to Make a Homemade Car Street Legal?

In order to make your homemade or electric sports car street legal, you’ll need to follow a few important steps.

Installing all the required parts is the first step. Then you’ll need to register your car with the Department of Motor Vehicles. The DMV will want the brand, model, and production year of your vehicle. You must also provide ownership documentation to prove that you legally own the car. 

You’ll also need to get your car insured. Let’s discuss the process of making homemade/kit car street legal in detail. 

Parts Required to Make Homemade Car Street Legal

Here are some parts required to make a homemade car street-legal. 


Installing mirrors is essential for the safety and legality of a car. Kit cars and homemade vehicles are required by law in most areas to include at least two mirrors, however, the form and anchor type of these mirrors are generally left up to the discretion of the owner. This consists of the front door and the rearview mirror on the driver’s side. 


Your homemade car must have a reliable braking system to be street-legal. An adequate braking system will ensure the safety of the car driver and vehicles/people around it. 


Installing Muffler is also required by law in many states. We are aware that installing the exhaust and other pollution control systems on your vehicle reduces its overall performance, but this is often necessary to get a title for your homemade car. Exhaust systems like mufflers and catalytic converters reduce noise and pollutants. The heat generated by their functioning makes it crucial that you attach these parts properly.

Your work will be validated by the state during the inspection, and, depending on where you register your vehicle, a rigorous emissions test may be in place. In Particular, California has strict laws regarding vehicle emission systems. 

License Plate

In certain states, your constructed vehicle will also need to get a license plate. If you live in a state that also requires license plate lighting, you may need two separate lights. Two license plate placements (front and rear) are required by law in certain jurisdictions. 

Seat Belts

Your car must also have seat belts in order to be street legal. Almost every state has made this a legal necessity, so there’s no way to avoid it.


Installing windshields is also necessary. A windshield prevents dust and other particles from entering your eyes. Even while windshields may not be necessary to be formed of glass, it is important to remember that most states prohibit tinting the front windshield.


Vehicles equipped with reflectors/tail lights are more visible at night, so drivers may safely pull over and wait for oncoming traffic without distracting other drivers. Rear and side reflectors will be required for all street-legal, home-built vehicles. The rear reflectors must be red, but the number and placement of the side reflectors vary by state. 


There should be horns & a steering wheel on homemade cars. All vehicles must have horns that can be heard from at least 200 feet away.


Tires are a necessary component of every homemade vehicle, but there are rules about their installation. Find out from your state’s department of motor vehicles whether fenders or mud flaps are required to cover your tires. In any case, you need DOT-approved tires.

Take into account the Ground Clearance of Your Homemade Car

For a homemade vehicle to pass inspection in many jurisdictions, it must meet certain ground clearance requirements. This may be gauged by the height of the vehicle’s body or by the width of its tires and wheels. Your homemade car must meet the ground clearance and bumper height requirements of the state. 

It’s also a good idea to research any regulations in your area that may affect the installation of mechanical or stability control systems on your homemade car. Vehicles that are too tall are prohibited from driving in several jurisdictions. 

Even if driving about in a homemade/kit car that’s 20 feet tall is legal in your area, you still need to take into account the height of bridges, signs, and other obstructions you’ll face. You must adhere to the law at all times, and that includes the height of your front and rear bumpers.


Homemade automobiles must be registered with the department of motor vehicles or a state agency in your area.

After the vehicle passes inspection, the state will assign a VIN (Vehicle Identification Number) whether you’re titling a homemade car or any other vehicle that does not have a VIN. New VINs may be obtained via the relevant state authorities, and there are firms that can assist you with this process. If you intend on using your car on public roads, you’ll need to get insurance, and insurance often requires a valid VIN.

Along with a state-mandated safety inspection, the DMV will likely ask for documentation of any major purchases made during the homemade car’s assembly, such as invoices and photos of the finished parts. Major components used in the construction of the car should be accompanied by bills of sale, invoices, or manufacturers’ certifications.

If you’re planning on registering a car you constructed yourself, you’ll also need to provide proof that all of the components are safe for use on the road. That’s why you also need a certificate of construction. The components and procedures used to build the automobile are described in detail in a Statement of Construction.

Here’s How 5 Star Registration Can Help You to Make Homemade Car Street Legal 

5 Star Registration

The process of registering a homemade car as a street-legal vehicle can be complicated and time-consuming, especially if you have not done this before.

It’s recommended to get an expert’s help. Experts at 5 Star Registration can help you save both time and money. No visit to the DMV is required since they will handle all the paperwork for you. The paperwork required to have your homemade car licensed and on the road will be handled by them.

You may start reaping the advantages of having a street-legal homemade car as soon as you have it registered, insured, and outfitted with the necessary safety measures.

Email or Call experts at 5 Star Registration & start the process of making your homemade car street-legal.

How to Make a Homemade Car Street Legal: Conclusion

In this article, we’ve shown you how to make your homemade car street legal in the United States. While each state has its own specific laws governing the legality of homemade cars, there are a few basic steps that are common in all cases. We’ve also shared the easiest way to get your homemade car registered. If you have any questions, feel free to contact experts at 5 Star Registration. 

Read our other helpful guides here

How to Register a Car in Montana

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