BillOfSaleNow

How to Notarize a Bill of Sale in California

Whether California requires notarization, where to get it done, how much it costs, and when you should notarize even if it's not legally required.

Notarization Requirement
Not Required (Recommended)

California does not require notarization of a vehicle bill of sale for registration or title transfer. The DMV uses its own title transfer process (REG 343 form).

Not required for standard private sales. May be requested by lenders or out-of-state buyers.

Notary Fee Cap
$15
per notarial act
Mobile Notary
Available
comes to your location
Online Notary (RON)
Not Available
California does not currently authorize remote online notarization (RON) for vehicle documents.

Where to Get a Bill of Sale Notarized

Bank or Credit Union
Often free for account holders
UPS Store / FedEx Office
Walk-in, no appointment needed
Law Office
Good for complex transactions
Mobile Notary
Comes to you — useful for large vehicles
Online / Remote Notary (RON)
Video call — fastest option
DMV / Secretary of State Office
Available at some locations
California Note

California title transfers require a signed pink slip (title) and smog certificate. A separate notarized bill of sale is optional but recommended for high-value vehicles as a secondary record.

When to Notarize Even If Not Required

High-Value Vehicles
Notarization deters fraud and identity theft on transactions over $10,000.
Out-of-State Sales
Notarized documents are more widely accepted and reduce title transfer friction.
Gift Transfers
Many states require a notarized gift affidavit to waive sales tax on gifted vehicles.
When Title Is Absent
A notarized bill of sale can support a bonded title application in most states.
Dispute Prevention
Notarization confirms identity and intent — nearly eliminating post-sale he-said/she-said disputes.
Official California Vehicle Transfer Information
California DMV — Vehicle Title Transfer ↗

Frequently Asked Questions

Is a bill of sale required to be notarized in California?

California does not require notarization of a vehicle bill of sale for registration or title transfer. The DMV uses its own title transfer process (REG 343 form).

Where can I get a bill of sale notarized in California?

In California, you can get a document notarized at a bank or credit union, a UPS Store or FedEx Office, a law office, a real estate office, or through a mobile notary service. Remote online notarization is not currently authorized in California.

How much does notarization cost in California?

California caps notary fees at $15 per signature by state law.

Can I notarize a bill of sale online in California?

California does not currently authorize remote online notarization (RON) for vehicle documents.

When should I notarize a bill of sale even if not required?

Notarizing is recommended for high-value vehicles, when the title cannot be located immediately, for out-of-state sales, for gift transfers, and whenever there is any uncertainty about the other party's identity.

What other documents require notarization when selling a car in California?

Besides the bill of sale, California may require notarization for a power of attorney (if signing on behalf of another), a title correction affidavit, an odometer disclosure statement (in some cases), or a lien release letter. Contact California DMV for the current requirements.

Notarization Requirements by State

Trusted by private vehicle sellers nationwide

45% faster sale

Vehicles whose listings include a history report spend ~45% less time on site before selling, and report-viewers are 5x more likely to become a lead.

Source: Experian / AutoCheck

$4,000 avg loss

NHTSA estimates 450,000+ vehicles per year are sold with rolled-back odometers — the average victim loses about $4,000 in downstream repair costs.

Source: NHTSA

17.5M private sales/yr

About 17.5 million private-party vehicle transactions happen in the U.S. each year — roughly 47% of the used market.

Source: Cox Automotive 2024

1 in 3 buyers

Roughly 1 in 3 used-car buyers say they suspect private sellers are hiding mechanical problems — documentation closes that trust gap.

Source: JW Surety Bonds (n=3,000)

$60–$85 mobile notary

Mobile notary visit minimums run $60–$85 — higher on weekends, plus per-mile travel fees. State-formatted documents skip the trip.

Source: Thumbtack / NNA