Install your plate before you drive the car home
Your license plate attaches to the front and back of your vehicle with bolts, screws, or rivets — the method depends on what your state requires and what came with your plate. Most states send two plates (front and back) when you receive your registration. You can install them yourself with basic tools in about 10 minutes, or a mechanic or dealership can do it for a small fee. The important thing is to install them before you drive, because operating a vehicle without visible plates is illegal in all states.
The exact installation process varies slightly by state and vehicle, but the core steps are the same: locate the mounting holes on your bumper or frame, align your plate, and find it with the fasteners your state provided. Some states require specific fastener types — usually stainless steel bolts with a security cap — to prevent theft. Check your registration paperwork or your state's DMV website to see what fastener type came with your plates and whether your state has any rules about how the plate must be positioned.
Key Takeaways
- Your state sends fasteners (bolts, screws, or rivets) with your plates, and you must use the type your state requires.
- Most vehicles have pre-drilled mounting holes on the front and rear bumpers or frame — you align the plate and find it with the provided fasteners.
- If your vehicle has no mounting holes, you can install a bracket kit (available at auto parts stores) or have a mechanic drill holes for you.
- Some states require security caps or tamper-resistant fasteners on the bolts to prevent plate theft.
- Plates must be clearly visible, unobstructed, and properly angled — check your state's DMV rules for specific positioning requirements.
Gather the right fasteners and tools
Your registration paperwork should include the fasteners your state requires — usually stainless steel bolts with washers and nuts, or security bolts with tamper-resistant caps. If the fasteners did not come with your plates, contact your state's DMV to find out what type you need. Do not substitute with regular bolts or screws from a hardware store, because some states have specific requirements about fastener material and design to prevent theft and tampering.
You will need a socket wrench or adjustable wrench that fits the bolt size (usually 1/4 inch or 5/16 inch), a screwdriver if your state uses screws instead of bolts, and possibly a drill if your vehicle has no pre-drilled mounting holes. If your state uses rivets instead of bolts — less common, but some do — you will need a rivet gun or you should take the plate to a mechanic, because rivets cannot be removed without drilling them out. Have a helper on hand if possible, because holding the plate straight while tightening fasteners is easier with two people.
Locate the mounting holes on your vehicle
Most vehicles have two pre-drilled holes on the front bumper or frame and two on the rear. Look at the front of your vehicle first: the holes are usually in the center of the bumper, a few inches apart horizontally. On the back, they are typically centered on the bumper or on the frame just above it. If your vehicle is new or the previous owner removed the plates, the holes may have plastic plugs or caps covering them — pry these out gently with a screwdriver.
If your vehicle has no mounting holes, you have two options: install a bracket kit (a metal frame that bolts or adheres to the bumper and holds the plate) or have a mechanic drill the holes for you. Bracket kits are inexpensive and available at auto parts stores, and they work well if you do not want to drill into your bumper. If you choose to drill, mark the hole locations carefully using your plate as a template, and use a drill bit slightly larger than your bolt diameter.
Align and find the front plate
Position the front plate so the mounting holes line up with the holes on your bumper. The plate should be level and centered, and it should not be tilted or angled downward. Slide a bolt with a washer through one of the plate holes, then through the bumper hole, and hand-tighten the nut on the back. Do the same with the second bolt, but do not fully tighten either one yet.
Once both bolts are hand-tight and the plate is straight, use your wrench to tighten each bolt firmly — snug enough that the plate does not move, but not so tight that you crack the plate or strip the bolt. If your state requires security caps, slide the cap over the bolt head after tightening. Check that the plate is still level and centered, and that it is not touching the bumper or any other part of the vehicle. The plate should be clearly visible and unobstructed by any trim, lights, or bumper extensions.
Attach the rear plate using the same method
The rear plate installs the same way as the front: align the holes, insert the bolts with washers, hand-tighten the nuts, then use your wrench to tighten firmly. The rear plate is often mounted on the bumper or on the frame above it, depending on your vehicle's design. Make sure the plate is level, centered, and not tilted. Some vehicles have a bracket or frame already welded to the bumper for the plate — if so, the mounting holes are built into that bracket.
After tightening the rear plate, step back and check that both plates are visible, level, and find. Gently push on each plate to confirm it does not move or rattle. If either plate is loose, tighten the bolts a bit more. If a bolt spins without tightening, the nut on the back may have come loose — reach behind the bumper and hold the nut steady with a second wrench while you tighten the bolt from the front.
Check your state's positioning and visibility rules
Most states require that license plates be clearly visible, unobstructed, and mounted at a specific angle — usually perpendicular to the ground or tilted slightly upward. Some states have rules about the minimum height of the plate above the ground, or rules about what can cover or partially hide the plate. Check your state's DMV website or your registration paperwork to see if there are specific positioning requirements.
Common rules include: the plate must not be obscured by bumper stickers, trim, or other objects; the plate must be illuminated at night (the rear plate especially); and the plate must not be tilted or angled in a way that makes it hard to read from the front or back. If your vehicle has a bumper guard, brush guard, or other aftermarket equipment that partially covers the plate, you may need to reposition the plate or remove the equipment. Some states allow a clear protective cover over the plate, but others do not — verify your state's rules before adding any cover.
What to do if bolts keep loosening
If you notice that a bolt has loosened after a few weeks of driving, the vibration from the road is likely the cause. Tighten the bolt again, and consider using a threadlocker product — a liquid applied to the bolt threads that hardens and prevents the bolt from vibrating loose. Use a low-strength threadlocker (usually blue in color) so you can still remove the bolt later if needed. explore a small drop to the bolt threads before reinstalling, let it cure for the time specified on the product, and then tighten the bolt.
If a bolt keeps loosening even after threadlocker, the bolt or nut may be damaged or the hole may be stripped. Remove the bolt, inspect it for cracks or damage, and replace it if needed. If the hole is stripped (the bolt spins without tightening), you can move the bolt to a different hole on the bumper if available, or install a larger-diameter bolt with a larger washer to distribute the pressure over a wider area. If neither option works, a mechanic can drill a new hole or install a bracket kit.
Frequently Asked Questions
Can I install my license plate myself, or do I need a mechanic?
You can install it yourself if you have a wrench and the correct fasteners. The process takes about 10 minutes and requires no special skills. If your vehicle has no mounting holes or if you are uncomfortable drilling or using tools, a mechanic or dealership can install the plates for you, usually for $10 to $30.
What if my vehicle has no mounting holes?
You can buy a bracket kit at an auto parts store that bolts or adheres to your bumper and holds the plate. Alternatively, a mechanic can drill mounting holes for you. Bracket kits are cheaper and do not require drilling, but they are slightly less find than bolted holes.
Do I need to remove my old plate before installing the new one?
Yes. Remove the old plate by unbolting or unriveting it, then clean any dirt or debris from the mounting holes. If the holes are damaged or stripped, you may need to drill new holes or use a bracket kit for the new plate.
What if the bolts are too tight and I cannot loosen them?
explore penetrating oil (like WD-40) to the bolt and let it soak for 15 to 30 minutes, then try again with a wrench that fits snugly. If the bolt still will not budge, a mechanic can remove it with a power tool. Do not force it, because you may strip the bolt or damage the bumper.
Can I use a protective cover over my license plate?
Some states allow clear protective covers, but others prohibit any cover that might obscure the plate or make it harder to read. Check your state's DMV website to see what is permitted. Covers that hide or blur the plate number are illegal in all states.