Washington Used Car Buyer's Paperwork Checklist
Use this checklist to prepare for buying a used vehicle from a private seller in Washington. Confirm the latest requirements with the Washington State Department of Licensing (DOL) before completing your transaction.
Quick answer
To complete a buy a used car in Washington, contact the Washington State Department of Licensing. You have 15 days to complete the filing.
Key facts
- State
- Washington
- Agency
- Washington State Department of Licensing
- Process
- Buy a Used Car
- Notary required
- Conditional
- Bill of sale
- Yes
- Odometer disclosure
- Yes
- Filing deadline
- 15 days
- Last verified
- 2026-05-13
- Official source
- Washington State Department of Licensing โ
Quick reference
Notary required?
โConditionalBill of sale?
โYesOdometer disclosure?
โYesInspection required?
โNoโฑ Important Deadlines
- 15-day deadline: The buyer has 15 days from the date of sale to transfer the title at a vehicle licensing office. Penalties apply after day 15. The seller must separately submit a Report of Sale within 5 days.Official source โ
Buyer Checklist
Items the buyer typically needs to prepare or provide.
Required Forms
Special requirements
Notarization is required for the Vehicle Title Application if the buyer signs outside of a vehicle licensing office. If the buyer signs the application in person at a licensing office, the agent certifies the signature and no notary is needed.
Washington requires both buyer and seller to complete the Vehicle/Vessel Bill of Sale (Form 420-065) for all private-party vehicle sales. The sale price on this form is used to calculate use tax.
Required by federal law for vehicles under 10 years old.
Washington ended its statewide vehicle emissions testing program on January 1, 2020. No emissions or safety inspection is required from the seller for a private-party sale.
Step-by-step process
- 1Run a vehicle history report (e.g., CARFAX or NMVTIS) before purchase.
- 2Verify the seller's name matches the name on the title.
- 3Ensure the title is free of liens or confirm the lien will be resolved.
- 4Have the seller sign the title over to you and complete odometer disclosure.
- 5Obtain a bill of sale from the seller.
- 6Submit the signed title, application, fees, and proof of insurance to your state DMV.
- 7Pay any applicable sales tax.
Common mistakes to avoid
- โNot verifying that the seller is the titled owner.
- โFailing to check for outstanding liens before purchase.
- โMissing the deadline to register the vehicle after purchase.
- โNot getting a bill of sale.
Official links
Frequently asked questions
How long do I have to register after buying a used car?
Deadlines vary by state. In Washington, confirm the registration deadline with the Washington State Department of Licensing (DOL) to avoid late fees.
What if the title has errors?
Do not accept a title with correction fluid or scratched-out information. Ask the seller to obtain a corrected title from the DMV before completing the sale.
Can I drive the car home before registering it?
Many states offer a short window or allow a temporary permit. Check your state agency for guidance.
Other Washington vehicle tasks
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Last reviewed: 2026-05-13 ยท Reviewed by the Car Paperwork editorial team ยท Based on official Washington State Department of Licensing (DOL) sources ยท Independent resource ยท Not legal advice