The signature line is on the back of the title, in the section labeled "Seller" or "Assignment of Title"
When you sell a car, you sign the title document itself — not a separate form. The title is a single sheet (or sometimes two pages) issued by your state's Department of Motor Vehicles or equivalent agency. On the back of that document, you will find a section for the seller to sign. This section is usually labeled "Assignment of Title," "Seller's Signature," or "Transfer of Ownership." The exact wording and layout vary by state, but the purpose is the same: your signature transfers ownership to the buyer.
You sign in front of the buyer, a notary public, or both — depending on your state's rules. Some states require the signature to be notarized (witnessed and certified by a notary), while others do not. A few states require both the buyer and seller to sign in front of a notary. Before you meet the buyer, check your state's DMV website or call their customer service line to confirm whether notarization is required where you live.
Key Takeaways
- The signature line is on the back of the title document, in a section labeled for the seller or assignment of title.
- Some states require a notary to witness your signature; others do not, so check your state's DMV rules before you meet the buyer.
- You will also need to fill in the buyer's name, address, and the sale price in the spaces provided on the title.
- After you sign, give the completed title to the buyer so they can register the vehicle in their name.
- Keep a copy of the signed title for your records before handing it over.
What information you fill in before signing
The back of the title has blank spaces for you to write in details about the sale. You will typically need to fill in the buyer's full name, their address, the date of sale, and the sale price. Some titles also ask for the odometer reading at the time of sale. Use a pen (not pencil) and write clearly so the information is legible. If you make a mistake, do not cross it out — ask your DMV for a corrected title or follow your state's procedure for corrections on titles.
The buyer should review all the information you write before you sign, so there are no errors that could delay their registration. If the buyer's name is spelled wrong or the address is incomplete, it can cause problems when they try to register the vehicle. Take a moment to confirm the details together before you put pen to paper.
Whether you need a notary and how to find one
Notarization requirements differ by state. Some states (like California, Florida, and Texas) require the seller's signature to be notarized. Others (like New York and Ohio) do not require notarization at all. A few states require both buyer and seller to sign in front of a notary. Your state's DMV website will state the requirement clearly, or you can call their customer service line and ask directly.
If notarization is required, you can find a notary public through several routes. Many banks offer notary services free to customers; call your bank and ask. UPS stores, FedEx locations, and some pharmacies (like CVS) also provide notarization for a small fee, usually $5 to $15. Some title companies and real estate offices will notarize for free or a low cost. You can also search online for "notary public near me" to find independent notaries in your area. Bring a photo ID when you go, as notaries are required to verify your identity.
Signing in person versus signing before you meet the buyer
You have two options for when to sign: you can sign the title when you and the buyer meet to exchange the car and money, or you can sign it beforehand and bring it to the meeting already signed. Many sellers prefer to sign at the meeting so the buyer can see the signature happen and confirm the information is correct. This also protects you, because you can verify the buyer's payment has cleared before you hand over the signed title.
If you sign before the meeting, make sure you have already confirmed the buyer's name and address so you can fill those in correctly. Do not sign a blank title and leave it for the buyer to fill in later — this creates a gap where someone could alter the document or the information. Always fill in the buyer's details and sign in the same transaction, whether that happens at your home, at a notary's office, or at the meeting location.
What happens to the title after you sign it
Once you have signed the title, you give it to the buyer. The buyer then takes the signed title to their state's DMV (or equivalent agency) to register the vehicle in their name. The buyer is responsible for completing the registration process, not you. However, you should keep a copy of the signed title for your own records before you hand it over. If a dispute arises later about the sale or the vehicle's condition, you will have proof that you transferred ownership on a specific date.
Some states also require you to notify the DMV that you have sold the vehicle, even after you have signed the title. This protects you from liability if the buyer gets into an accident or receives a traffic ticket after the sale. Check your state's DMV website to see if you need to file a "notice of sale" or "bill of sale" form separately. This is usually a straightforward online submission or a form you mail in.
Common mistakes to avoid when signing the title
The most common mistake is signing the title before the buyer's information is filled in completely. If you sign a title with a blank buyer name or address, the document is incomplete and the buyer cannot register the vehicle. Another mistake is using pencil instead of pen — pencil can fade or be erased, which raises questions about the document's validity. Always use a pen with dark ink.
Do not sign the title if you notice errors in your own name or the vehicle information at the top of the document. If the title says your name is spelled wrong or lists the wrong vehicle identification number (VIN), contact your DMV before you sell. Signing a title with errors on it can complicate the transfer and delay the buyer's registration. Also, do not sign multiple blank titles at once, thinking you will fill in the buyer's information later. Each title should be signed only once, for one specific buyer, with all information complete.
What to do if you lose the title before signing it
If you cannot find your title before you meet the buyer, contact your state's DMV when ready and request a duplicate or replacement title. The process usually takes one to two weeks, though some states offer expedited service for an extra fee. You will need to provide your vehicle identification number (VIN), proof of ownership (like a registration or insurance card), and a government-issued photo ID. Some states allow you to request a duplicate title online; others require you to visit a DMV office or mail in an process.
If the buyer is waiting and you do not have time to get a replacement title before the sale, you can ask the DMV whether you can sign a bill of sale instead and have the buyer register the vehicle with that document plus a copy of your registration. Not all states allow this, so ask first. In some cases, the buyer may be willing to wait for the replacement title to arrive, or you may need to delay the sale until you have it in hand.
Frequently Asked Questions
Can I sign the title with a different person's signature if I have power of attorney?
No. The person whose name appears on the title must sign it, or you must have a legal power of attorney document that specifically authorizes someone else to sign on your behalf. If you have power of attorney, bring the original document to the notary or buyer meeting so it can be reviewed. Some states require the power of attorney to be notarized as well.
What if the buyer and I cannot meet in person to sign the title?
Some states allow remote or mail-in title transfers, but rules vary widely. Contact your state's DMV to ask whether you can sign the title in front of a notary in your location and mail it to the buyer, or whether the buyer can sign separately in their location. A few states require both parties to sign in front of the same notary, which means you would need to meet or use a remote notary service.
Do I need to sign the title if I am trading the car in at a dealership?
Yes, you still sign the title, but the dealership handles most of the paperwork. You will sign the back of the title at the dealership, usually as part of the trade-in paperwork. The dealership then submits the signed title to the DMV along with their own paperwork. Ask the dealership whether they need a notarized signature or if their process handles it differently.
What if I signed the title but the buyer never registered the vehicle?
Once you have signed and transferred the title, the vehicle is legally the buyer's responsibility. If they do not register it, that is their problem, not yours. However, you should file a notice of sale with your DMV to protect yourself from liability. If the vehicle is involved in an accident or gets traffic tickets after you sold it, the notice of sale proves you are no longer the owner.
Can I sell the car without the original title?
No. You must have the original title document to sign it over to the buyer. If you have lost it, you must get a replacement from your DMV before the sale can be completed. Some states allow a bill of sale to substitute temporarily, but the buyer will eventually need the original title to complete registration.