Sign the back of the title in the section labeled for the seller
The title document itself tells you where to sign. On the back, you will see a box or section marked "Seller's Signature" or "Assignment of Title" — this is where your signature goes. The exact location varies slightly by state, but it is always on the back of the document, never the front. Your signature must match the name printed on the front of the title exactly as it appears there.
Some states print multiple signature lines on the back to allow for multiple owners or to account for a lienholder (a bank or lender who holds a claim on the car). If you are the sole owner and there is no lender, you sign only the line marked for the seller. Do not sign any other lines — signing extra lines can create confusion about who owns the car and may delay the transfer.
The buyer will sign a different section, usually labeled "Buyer's Signature" or "Purchaser's Signature," also on the back. You do not sign this part. The buyer signs it when they receive the title from you, either at the time of sale or when they register the car with their state's motor vehicle department.
Key Takeaways
- Sign only the section labeled for the seller on the back of the title, matching your name exactly as it appears on the front.
- The buyer signs a separate section after you hand over the title; you do not sign the buyer's line.
- If there is a lienholder listed on the title, that lender may need to sign or release their claim before the title can transfer.
- Some states require the title to be signed in front of a notary public, so check your state's rules before you sign.
- Sign in black or blue ink and avoid crossing out mistakes — request a corrected title from your state if you make an error.
When a lienholder must also sign
If you still owe money on the car, a bank or credit union is listed as the lienholder on the title. In this case, the lender must sign or release their claim before the title can legally transfer to the buyer. You cannot straightforward sign the title yourself and hand it over — the lender's permission is required because they have a legal stake in the car until the loan is paid off.
Contact your lender and ask for a lien release or title release. Some lenders will sign the title directly; others will provide a separate document that authorizes the transfer. A few lenders handle this electronically through your state's motor vehicle department. Ask your lender what their process is and whether they need anything from you or the buyer before they will release the lien.
Once the lien is released, the lender's name will no longer appear on the title, and you can sign and transfer it to the buyer. If you sell the car before the lien is released, the sale cannot be completed, so handle this step early.
Notarization requirements vary by state
Some states require your signature on the title to be notarized — meaning a notary public must witness you sign and verify your identity. Other states do not require notarization at all. A few states require it only if the title is being transferred by mail or if there are multiple owners.
Check your state's motor vehicle department website or call them directly to find out whether notarization is required where you live. If it is required and you sign without a notary, the buyer will not be able to register the car in their name, and you may have to sign the title again.
If notarization is needed, you can find a notary at most banks, credit unions, UPS stores, and some libraries. Bring your photo ID and the title. The notary will watch you sign, check your ID, and then sign and stamp the document themselves. This usually costs between $5 and $15.
What to do if you make a mistake when signing
Do not cross out or white-out a mistake on the title. The document is a legal record, and alterations can make it invalid or raise questions during the transfer. If you sign incorrectly — for example, if your signature does not match the name on the front, or if you sign the wrong line — contact your state's motor vehicle department and request a corrected or duplicate title.
You will usually need to fill out a form (often called an "process for Duplicate Title" or "Corrected Title") and pay a small fee, typically $5 to $25 depending on your state. The process usually takes one to three weeks. Once you receive the new title, you can sign it correctly and transfer it to the buyer.
Signing the title at the time of sale
You and the buyer do not have to sign the title at the same time or in the same place. Many people sign it when they hand over the keys and receive payment. Others sign it beforehand and give it to the buyer along with the car. The buyer can also sign it later, when they go to register the car with their state.
If you sign the title before the sale is final, keep a copy for your records. Some states allow you to print a copy from your motor vehicle department's website; others do not. Ask your state's department what documentation you should keep to prove you sold the car on a specific date.
Whatever timing you choose, make sure both you and the buyer understand who is responsible for signing each section and when. Miscommunication here is one of the most common reasons transfers get delayed.
Signing a title for a co-owned car
If two or more people own the car together, all owners must sign the title unless your state's title shows the owners as "or" rather than "and." When the title says "and," all owners must sign. When it says "or," usually only one owner needs to sign, but check your state's rules to be sure.
If you own the car with someone else and that person is not present when you want to sell it, you will need their signature before you can transfer the title to the buyer. Some states allow one owner to sign a power of attorney form that authorizes another owner to sign on their behalf, but this is not universal. Contact your state's motor vehicle department to find out what options are available if a co-owner cannot be present.
Frequently Asked Questions
Can I sign the title in pen or does it have to be ink?
Use black or blue ink. Pen is not reliable enough for a legal document — the signature can fade or smudge, and it may not photocopy clearly if the buyer or your state needs a copy. Ballpoint pen or gel pen in black or blue is standard and accepted everywhere.
What if the name on the title does not match my ID exactly?
Contact your state's motor vehicle department before you sign. If your name has changed due to marriage, divorce, or legal name change, you may need to provide a certified copy of the document that shows the change. The department can tell you whether you need a corrected title or whether you can sign with an explanation letter.
Can someone else sign the title on my behalf?
Not usually, unless you have given them a power of attorney document that is specific to the car sale. A general power of attorney is often not enough. If you cannot sign in person, contact your state's motor vehicle department to find out what legal documents you need to provide so someone else can sign for you.
Do I need to sign the title if I am trading the car in at a dealership?
Yes, but the dealership will usually handle the paperwork and tell you where to sign. Bring your photo ID and the title. The dealership will guide you through their process, which may differ slightly from a private sale because they handle the transfer with the state on your behalf.
What happens if I sign the title but never give it to the buyer?
The buyer cannot register the car without the signed title, so the sale will not be complete. If you have signed but changed your mind about selling, contact your state's motor vehicle department about your options. You may be able to request a corrected title or explain the situation to prevent the buyer from registering the car in their name.