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How to Notarize a Bill of Sale in Illinois

Whether Illinois 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)

Illinois does not require notarization of a vehicle bill of sale. The signed title certificate (or a secure power of attorney) is the primary transfer document.

Not required for standard private sales. Estate transfers and trust transfers may require additional documentation.

Notary Fee Cap
$1
per notarial act
Mobile Notary
Available
comes to your location
Online Notary (RON)
Available
Illinois authorizes remote online notarization effective June 2021.

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
Illinois Note

Illinois requires the seller to remove the license plates when a vehicle is sold. A dealer or private buyer cannot use the seller's plates. Always retain a signed copy of your bill of sale for your own records.

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 Illinois Vehicle Transfer Information
Illinois Secretary of State — Vehicle Title Transfer ↗

Frequently Asked Questions

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

Illinois does not require notarization of a vehicle bill of sale. The signed title certificate (or a secure power of attorney) is the primary transfer document.

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

In Illinois, 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 (RON) is also available in Illinois.

How much does notarization cost in Illinois?

Illinois caps notary fees at $1 per notarial act — among the lowest in the nation.

Can I notarize a bill of sale online in Illinois?

Illinois authorizes remote online notarization effective June 2021.

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 Illinois?

Besides the bill of sale, Illinois 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 Illinois Secretary of State 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