When Does a Bill of Sale Need to Be Notarized?
"Notarized" gets thrown around a lot when people talk about bills of sale, and it causes more confusion than it should. Here's the short version: most private sales don't need it — but a few states and situations do, and it never hurts to know the difference between signing a document and having it notarized.
The short answer
In the vast majority of states, a bill of sale is legally valid the moment both parties sign it — no notary required. Louisiana is the well-known exception: it requires a notarized bill of sale for vehicle transfers. A handful of other states or specific situations (certain DMV filings, some out-of-state transactions, a cautious buyer or lender) may call for notarization even when it isn't strictly mandatory statewide.
What notarization actually is
A notary public is a state-commissioned official who verifies your identity, watches you sign a document, and then stamps or seals it to certify that the signature is genuine and that you signed willingly. Notarization doesn't change what a document says — it adds an extra layer of proof about who signed it and confirms it wasn't forged or signed under duress.
Notary vs. witness — they're not the same thing
These two get mixed up constantly:
- A witness is simply another person who watches you sign and can later confirm they saw it happen. No license or official authority required.
- A notary public is a state-authorized official who verifies your identity (usually with a photo ID) and applies an official seal or stamp. Notarization carries more legal weight than a witness signature.
Some situations call for one, the other, both, or neither. Our Bill of Sale tool lets you add either an optional notary acknowledgment block or a witness signature line, so you're not stuck without the right format if you need one.
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Create your bill of sale →Why people notarize even when it isn't required
Notarizing a bill of sale is never a bad idea, even in states where it's optional. Common reasons people do it anyway:
- High-value sales — a $30,000 vehicle or a valuable piece of jewelry benefits from the extra layer of proof.
- Out-of-state or long-distance buyers — when you'll never meet the other party again, a notarized record is harder to dispute later.
- A cautious buyer, seller, or lender asks for it — sometimes a bank financing the purchase, or simply a nervous buyer, will request notarization as a condition of the deal.
- Preventing "that's not my signature" disputes — notarization makes it far harder for either party to later deny they signed.
How to actually get a document notarized
- Don't sign it beforehand. You must sign in front of the notary — a document you already signed usually can't be notarized after the fact.
- Bring valid photo ID for both signers (driver's license, passport, or state ID).
- Find a notary. Banks, credit unions, UPS Store locations, public libraries, and shipping/office stores commonly offer notary services, often for a small fee (sometimes free for account holders).
- Consider remote online notarization — many states now allow notarizing documents over a live video call with a commissioned online notary, which is convenient if the buyer and seller aren't in the same place. Availability and rules vary by state.
- Both parties sign in the notary's presence, the notary verifies ID, and then applies their seal and signature.
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Start the free Bill of Sale generator →Frequently asked questions
Is a notarized bill of sale more legally valid than a regular one?
A signed bill of sale is generally valid on its own in most states. Notarization doesn't make the underlying agreement more "true" — it makes it harder to dispute who signed it, which is valuable if the sale is ever challenged.
Can I get a bill of sale notarized online?
In many states, yes — remote online notarization (RON) lets a commissioned notary verify your ID and witness your signature over live video. Availability, requirements, and accepted providers vary by state, so check your state's rules first.
What happens if I skip a required notarization?
If your state or transaction requires notarization (for example, a Louisiana vehicle bill of sale) and you skip it, the document may be rejected by the DMV or hold less weight in a dispute. When in doubt, notarize — it's inexpensive and takes the guesswork out.
Do I need both a notary and a witness?
Rarely both at once. Most situations call for one or the other, if either. Check your specific requirement — some states substitute a witness signature where notarization isn't mandated.
Related reading: How to Write a Bill of Sale → · Do You Need a Bill of Sale for a Used Car? → · Bill of Sale vs. Title → · What Does a Bill of Sale Look Like? → · Horse Bill of Sale: What to Include →
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