Whether you need a bill of sale to transfer a title depends on your state. Roughly half of all states require one for a private vehicle sale; the rest treat it as optional. What every state does require is the certificate of title itself, because that is the document that actually transfers legal ownership. The bill of sale is the receipt, and even where it isn’t mandatory, it’s worth creating.
When Your State Requires a Bill of Sale
State motor vehicle agencies set their own rules, and those rules fall into three loose groups.
Some states require a bill of sale for every private vehicle transaction. Others require one only in specific situations: when the vehicle is old enough that no title exists, when the sale crosses state lines, or when the title itself has no space to record the purchase price. The remaining states don’t require a bill of sale at all, but will still accept one as supporting documentation.
Because the rules differ this much, the safest move is to check your state DMV’s website before the sale. Most agencies that require a bill of sale publish an official template you can download, which takes the guesswork out of what fields your state expects.
Why You Should Use One Even If Your State Doesn’t Require It
Skipping the bill of sale is a gamble that rarely pays off. For the buyer, it’s proof of purchase during the gap between handing over cash and receiving the new title in the mail. For the seller, it documents the date and terms of the sale, which matters if the buyer racks up parking tickets or toll violations before registering the vehicle in their own name.
If a dispute surfaces months later over what was promised or how much was paid, a signed bill of sale is the closest thing to a referee either party will have. Writing one takes about five minutes and costs nothing.
What to Put on a Bill of Sale
The document doesn’t need to be complicated, but it does need to be specific enough that a DMV clerk or a judge could look at it and understand exactly what was sold, by whom, for how much, and when. The core elements are:
- Full legal names and current mailing addresses of both the buyer and the seller.
- Vehicle details: year, make, model, body type, and Vehicle Identification Number (VIN). The VIN is the one that matters most, because it removes any ambiguity about which vehicle changed hands.
- Sale price, written in both numbers and words. If the vehicle is a gift, write “$0” and note that no money changed hands.
- Date of sale. This establishes when ownership transferred and starts the clock on the buyer’s deadline to apply for a new title.
- Signatures of both parties, dated.
Some states also want the odometer reading recorded on the bill of sale. A handful require it to be notarized, though most do not. If your state publishes its own bill of sale form, use that version rather than a generic one.
What Actually Transfers the Title
The bill of sale is supporting paperwork. The title transfer itself is a separate filing the buyer makes at the DMV, and it needs more than the bill of sale to go through. When the buyer walks into the motor vehicle office, they should bring:
- The signed vehicle title. The seller signs it over to the buyer in the assignment area on the back. If the original is lost or damaged, the seller has to apply for a duplicate before the sale can be completed.
- The state’s title application form, filled out by the buyer.
- Valid photo identification, with a name that matches the title application.
- Proof of current auto insurance in the buyer’s name.
- An odometer disclosure, either on the title itself or on a separate federal disclosure form if the title has no dedicated space for it. Federal law requires this disclosure on most vehicles less than 20 years old, and without it, most states will not process the transfer at all.
A number of states also require a safety inspection or emissions test before a used vehicle can be titled to a new owner, and where required, the inspection is typically the seller’s responsibility, though this varies.
Most states set a deadline for the buyer to file, commonly somewhere between 10 and 30 days from the date of sale. Missing that window triggers a late transfer penalty on top of the ordinary title fee and any sales or use tax.
If the Vehicle Still Has a Loan
One situation stops a title transfer cold: an active lien. If the seller still owes money on the car, the lender holds the title (or, in electronic-title states, the electronic record), and the title cannot be signed over until the loan is paid off and the lender issues a lien release. In practice, that means the seller either pays off the balance before the sale, uses the buyer’s payment to pay it off at closing, or arranges a simultaneous payoff and release directly with the lender. Trying to transfer a title with an open lien will be rejected at the DMV counter.
What the Seller Should Do After the Sale
Until the buyer registers the vehicle in their own name, the seller’s name is still attached to it. Any red-light camera tickets, toll violations, or accidents during that gap can land in the seller’s lap first.
The single most important step a seller can take is filing a notice of sale or release of liability with the state motor vehicle agency. Many states offer this as an online form that takes a few minutes to complete, and it creates an official record that the vehicle changed hands on a specific date. States that offer the form typically require it within 5 to 30 days of the sale.
Beyond that, keep a signed copy of the bill of sale, remove your license plates if your state keeps plates with the owner rather than the vehicle, and cancel or transfer your insurance coverage. Photos of the signed title and the odometer at the time of sale are cheap insurance against a dispute later on. The goal is to leave no loose threads that could pull you back into a deal you thought was closed.