Registering a car is the process of officially recording a vehicle with your state government and receiving license plates. Without registration, you can’t legally drive the vehicle on public roads. The process varies by state, but the core requirements are consistent: you need proof of ownership, proof of insurance, and the ability to pay a registration fee.
This guide covers what to bring, what to expect, what it costs, and the timing you need to know. This is part of the Used Car Buying Guide.
When Registration Is Required
After buying a used car: Every state requires you to register the vehicle in your name. The deadline varies — typically 10 to 30 days after purchase. Some states allow temporary operating permits (often called temp tags) while you complete the registration process.
After moving to a new state: Most states require you to register your vehicle within 30 to 90 days of establishing residency. You’ll need to surrender your out-of-state plates and obtain in-state registration.
Renewal: Registration must be renewed annually (or in some states, every two years). You’ll receive a renewal notice by mail or email.
What You’ll Need to Register
Requirements vary by state, but the standard documents for registering a recently purchased used car are:
Title: The vehicle title, signed over to you by the previous owner, is the primary document proving you own the car. If you purchased from a dealer, they typically handle the title transfer paperwork. If you purchased privately, you bring the signed title to the DMV yourself. See the title transfer guide for the full title handoff process.
Proof of insurance: All states require minimum liability insurance before registration. Bring your insurance card or a declaration page showing active coverage meeting your state’s minimums. Some DMV offices can verify electronically, but a physical card is reliable backup.
Completed application: Each state has a vehicle registration application form, typically available at the DMV or on your state’s DMV website. Fill it out before arriving if possible.
Odometer disclosure: For vehicles under 10 years old, federal law requires an odometer disclosure at the time of ownership transfer. This is usually included on the title itself, but some states have a separate form.
Proof of emissions or safety inspection: Many states require a passing smog check, emissions test, or safety inspection before registration. These are typically completed before your DMV visit, and you’ll bring the passing certificate. See smog check requirements for emissions testing details.
Payment: Registration fees, sales tax (if not paid at purchase), and any applicable title transfer fees. Credit cards are accepted at most DMVs, but confirm before arriving.
Photo ID: Driver’s license or government-issued ID.
How Much Does Registration Cost?
Registration costs vary enormously by state and vehicle. The components typically include:
Base registration fee: $20 to $200 depending on state. Most states charge a flat fee; some charge based on the vehicle’s value, weight, or age.
Title fee: $10 to $50 in most states — a one-time fee for the title transfer when registering a newly purchased vehicle.
Sales tax: Varies by state. Most states charge sales tax on used vehicle purchases, calculated on the purchase price. Some states calculate on fair market value if the declared purchase price is below a threshold. A few states (Alaska, Montana, New Hampshire, Oregon, Delaware) have no state sales tax.
Local fees: Some counties and cities add local fees on top of state fees. California, for example, has county fees that can add $50–$100 to a registration.
Specialty plates: If you want personalized or specialty license plates, add $25–$100 annually depending on the type.
Rough total range by state:
- Low-cost states (Iowa, Missouri, Mississippi): $50–$100
- Mid-range states (Texas, Florida, Virginia): $100–$200
- High-cost states (California, Washington, Oregon): $150–$400+
Most state DMV websites have online fee calculators — look these up before your visit to avoid surprise costs.
The Registration Process Step by Step
1. Gather your documents Get everything together before you go: signed title, insurance proof, completed application, emissions certificate (if required), payment method. Missing a single document usually means a second trip.
2. Handle emissions or inspection first (if required) In states that require a smog check or safety inspection before registration, complete that step first. The testing station gives you a certificate to bring to the DMV. Don’t schedule your DMV visit until you have the passing certificate.
3. Go to the DMV (or complete online) Most registration can be completed at a DMV branch. Many states now allow initial registration online or by mail — check your state’s DMV website. Even in states with online options, first-time registrations of out-of-state vehicles or newly purchased cars often require an in-person visit.
4. Submit documents and pay The DMV clerk reviews your documents and calculates fees. You pay and receive temporary registration documents (usually valid for 30–60 days) while the physical plates and registration card are processed.
5. Receive plates and registration card Physical license plates and registration card typically arrive by mail within 2–4 weeks. In some states, you receive plates at the DMV counter.
6. Attach plates and keep registration in the vehicle The registration card must be kept in the vehicle — in most states, you’re required to produce it during a traffic stop. The registration sticker (if your state uses them) goes on the license plate.
Registering in a New State After Moving
Moving to a new state triggers the same basic process as initial registration, with a few additions:
Surrender out-of-state plates: Most states require you to return your old state’s plates when you register.
New VIN inspection: Some states require a physical VIN inspection — a DMV officer visually confirms the VIN on the vehicle matches the title. This is a quick process (usually done in the parking lot before you go inside) but requires you to bring the vehicle, not just paperwork.
Emissions retesting: You may need to pass your new state’s emissions test even if you passed one in your old state. Requirements differ by state and sometimes by county within a state.
Timeline: Most states give you 30–90 days after establishing residency to register. Your old state’s registration remains valid during this window. Don’t wait until the last minute — if you need repairs to pass emissions, you’ll want time to address them.
Common Mistakes That Delay Registration
Missing the signed title: The most common problem. If the title has errors (wrong odometer reading, incomplete signature, correction fluid used), some states reject it entirely and require a replacement title from the seller.
Lien not released: If the previous owner had a loan and the lien wasn’t cleared before transfer, the DMV may reject the title. Verify the lien is released before purchasing — a Bumper VIN check will show whether there’s an open lien on the vehicle.
Emissions test required but not completed: Some buyers skip the emissions step, show up at the DMV, and have to leave to get tested first.
Underreported purchase price: Some buyers declare a lower purchase price to reduce sales tax. Many states now use market value databases to flag suspicious prices and may assess tax based on market value anyway.
Online Registration Renewal
Annual registration renewal is separate from initial registration. Most states allow renewal online, by mail, or at automated kiosks. You’ll need your registration notice and payment. Emissions testing may also be required at renewal — states typically send reminders when a test is due.
Frequently Asked Questions
How do I register a car I just bought? Gather your signed title, proof of insurance, completed registration application, and any required emissions or inspection certificate. Take these to the DMV, pay the registration fees and applicable sales tax, and you’ll receive temporary registration while your permanent plates are processed by mail. For a full walkthrough, see the steps above.
How much does car registration cost? It varies significantly by state. Base registration fees range from $20 to $200, plus a one-time title transfer fee of $10–$50. Sales tax on the purchase price is typically the largest cost and varies by state. Total first-time registration costs commonly run $50–$150 in low-cost states and $150–$400+ in higher-cost states like California and Washington.
What documents do I need to register a car? For a newly purchased used car: the signed title, proof of insurance, a completed registration application, your photo ID, and a passing emissions or safety inspection certificate if required in your state. If purchasing from a private party, a bill of sale is also recommended and required in some states.
How long do I have to register a car after buying it? Typically 10 to 30 days, depending on state. Some states issue temporary permits or temp tags that extend this window. Check your state’s specific deadline — driving an unregistered vehicle after the deadline is a ticketable offense.
Can I drive a car I just bought without registration? Most states allow you to drive a newly purchased vehicle for a short period using the bill of sale as proof of purchase, or using temp tags issued by the seller or dealer. The allowed period is usually 3 to 30 days. After that, registration is required.
Can I register a car online? Many states allow online registration for renewals. Initial registration — especially for a newly purchased vehicle — often requires an in-person DMV visit. Check your state DMV’s website for available options.
What happens if I don’t register my car? Driving an unregistered vehicle is a violation in every state, typically resulting in fines of $50–$200 or more, and potentially a fix-it ticket requiring you to register and show proof. Repeated violations can result in the vehicle being impounded.
Do I need a VIN check to register a car? You don’t need a Bumper report to register — but you should run one before buying. A VIN check reveals whether the vehicle has a branded title, open liens, or a stolen vehicle flag, any of which will create problems at the DMV. Run a VIN check before purchasing to avoid surprises.
Run a Bumper VIN Check — Confirm Title Status Before You Register →
Part of Used Car Buying Guide — The Used Car Buyer’s Ally
*Requirements are a generalization, check with your state for specific requirements