Register your car at your county tax assessor-collector office, or online through the Texas Department of Motor Vehicles website if you meet certain conditions
In Texas, vehicle registration happens at the county tax assessor-collector office in the county where you live. This is not the DMV — Texas does not have a Department of Motor Vehicles office that handles registration in person. Instead, each of Texas's 254 counties runs its own registration system through the tax assessor-collector, who collects both property taxes and vehicle registration fees.
You can also register online through the Texas Department of Motor Vehicles (TxDMV) website if your vehicle meets certain requirements: it must be a passenger car, light truck, or motorcycle; you must have a valid Texas driver's license or ID; and you cannot be registering a vehicle for the first time in Texas. Online registration is faster and requires no trip to an office, but not every situation qualifies.
Key Takeaways
- Your county tax assessor-collector office is the only place to register a vehicle in person in Texas, and the location depends on which county you live in.
- Online registration through TxDMV works only for renewals and certain vehicle types, not for first-time Texas registrations or commercial vehicles.
- You will need your vehicle's title or proof of ownership, a valid Texas ID or driver's license, and proof of insurance before you visit or register online.
- Registration fees vary by vehicle type and county, and some counties charge an additional local option tax on top of the state fee.
- If you buy a used car from a private seller, you have 30 days to register it in Texas before you can legally drive it.
Finding your county tax assessor-collector office
Start by identifying which county you live in, then search for that county's tax assessor-collector office online or call the county clerk's office to get the address and hours. The TxDMV website has a searchable list of all county offices with phone numbers and addresses. Most counties have one main office in the county seat, though larger counties like Harris (Houston) and Dallas may have multiple locations.
Call ahead before you go. Many offices operate on appointment-only systems, especially after the COVID-19 pandemic, and some have reduced hours on certain days. A five-minute phone call can save you a wasted trip. Ask about wait times and whether you need to bring anything beyond what is listed on the county's website — some offices have local requirements that do not appear online.
What documents you need to bring in person
Bring your vehicle's title or proof of ownership. If you own the car outright, bring the title with your name on it. If the vehicle is financed, bring the title showing the lienholder (the bank or lender). If you are registering a vehicle you just bought from a private seller, bring the signed title transfer section and the bill of sale.
Bring a valid Texas driver's license or ID card. Out-of-state licenses do not work for registration. If you are new to Texas and do not yet have a Texas ID, you will need to get one first — the tax assessor-collector office cannot register a vehicle without one.
Bring proof of insurance. Texas law requires all registered vehicles to have liability insurance. Bring your insurance card, a declaration page from your insurance company, or a screenshot of your policy from your insurer's app. The office will verify the policy number and coverage dates.
Bring proof of residency if you are registering a vehicle for the first time in Texas or if you have recently moved. A utility bill, lease agreement, or mortgage statement dated within the last 60 days usually works. Call your county office to confirm what they accept.
Online registration through the Texas Department of Motor Vehicles
The TxDMV website allows you to renew an existing registration or register a vehicle you already own in Texas without visiting an office. Go to myportal.txdmv.gov, create an account, and log in. You will need your driver's license number, vehicle identification number (VIN), and current registration number if you are renewing.
Online registration does not work for first-time registrations of vehicles new to Texas, commercial vehicles, vehicles with a lienholder, or motorcycles registered before 2000. If your situation does not fit the online rules, you must visit your county office in person.
The online system accepts payment by credit card or debit card. Registration is processed when ready, and you can print your temporary registration receipt on the spot. Your permanent registration card will arrive by mail within two to three weeks. Keep the temporary receipt in your vehicle until the permanent card arrives.
Registration fees and what affects the cost
Texas registration fees depend on your vehicle's type and weight. A standard passenger car costs less than a heavy truck or commercial vehicle. The base state fee is set by Texas law, but your county may add a local option tax on top of it. This local tax varies — some counties charge nothing extra, while others add $5 to $50 or more per vehicle.
Call your county tax assessor-collector office or check their website to find out the exact fee for your vehicle. You cannot know the total cost without knowing both your vehicle type and your specific county. Bring a payment method — most offices accept cash, check, credit card, and debit card, but call ahead to confirm what your office takes.
If you register online, the system will show you the total fee before you pay. If you register in person, ask the staff member to tell you the total before they process the transaction.
Timeline for registering a newly purchased vehicle
If you buy a used car from a private seller, Texas law gives you 30 days to register it. During those 30 days, you can drive the vehicle legally with the bill of sale and the signed title transfer in your vehicle. After 30 days, you must have a registration or you cannot legally drive it.
If you buy from a dealer, the dealer usually handles the registration paperwork and sends it to the tax assessor-collector on your behalf. You will receive your registration card by mail. Ask the dealer how long this takes — it is usually one to two weeks, but varies by county.
Do not wait until day 30 to register. If you miss the important date, you can still register the vehicle, but you may face a late fee. The exact penalty varies by county, so register as soon as you have all your documents together.
What to do if you move to a different Texas county
If you move from one Texas county to another, you do not have to re-register your vehicle when ready. Your registration remains valid until the expiration date printed on your card. However, when it comes time to renew, you must renew through your new county's tax assessor-collector office.
If you want to update your address before renewal, you can do so online through myportal.txdmv.gov or by visiting your new county's office. Updating your address does not cost anything and does not change your registration expiration date. It straightforward makes sure the county has your current mailing address for future renewal notices.
Frequently Asked Questions
Can I register my car online if I just moved to Texas?
No. Online registration only works for renewals of vehicles already registered in Texas. If your vehicle is new to Texas, you must register in person at your county tax assessor-collector office and bring proof of residency.
What if I do not have a Texas driver's license yet?
You cannot register a vehicle without a valid Texas ID or driver's license. Get your Texas ID first at the Department of Public Safety, then register your vehicle. You have 30 days from purchase to register, so there is time to get your ID if you just moved to the state.
Do I have to register my car in the county where I work, or the county where I live?
You register in the county where you live, not where you work. Your registration address must match your Texas driver's license address. If your license and vehicle registration are in different counties, you may be asked to update one of them.
What happens if I miss the 30-day important date for registering a used car I bought?
You can still register the vehicle after 30 days, but you may owe a late fee. The amount varies by county. You cannot legally drive an unregistered vehicle, so register as soon as possible even if you are past the important date. Contact your county office to find out the exact penalty.
Can I register my vehicle by mail instead of going in person?
Most Texas counties do not accept registration by mail for new registrations. Online registration through TxDMV is the closest option if you cannot visit in person. Call your county office to ask if they have any mail-in options for your specific situation.