Sell your car in Wyoming — one notarized signature from done
Wyoming keeps car selling old-school: the title does all the work, a notary makes it official, and the county clerk's office is where everything lands. There's no smog test, no safety inspection, and no state paperwork after the handshake — which means once you understand the notary step, selling here is about as clean as it gets.
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What Wyoming requires when you sell
| Notary | Wyoming is one of the few notary states: every owner named on the title signs the seller's block in front of a notary, and at least one buyer's signature on the purchaser's application must be notarized too. County clerk offices notarize in person. source |
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| The title form | There is no separate assignment form — ownership transfers on the back of the Wyoming title itself, with an odometer statement required for vehicles under 10 years old. The buyer then applies at their county clerk's office; a new Wyoming title costs $15. source |
| Lost your title? | A duplicate costs $15 from the county clerk that issued the original, by mail or in person. All owners must sign the duplicate application before a notary, and if a lien still shows on the record you'll need a lien release first. source |
| Protect yourself after the sale | Wyoming has no release-of-liability filing for private sellers. Your protection is the notarized transfer, pulling your plates, and keeping a dated bill of sale — Natrona County's clerk publishes a free bill of sale form for exactly this. source |
| License plates | Plates belong to you, not the vehicle. Take them off before the buyer drives away — you can move the plates and any remaining registration credit to your next ride through the county treasurer. source |
| Sales tax | The buyer's problem, not yours. Tax on a private-party sale is collected by the buyer's county treasurer before first registration, due within 65 days of purchase; after that the penalty is the greater of $25 or 10% of the tax due, plus 1% monthly interest. source |
| Inspections | None. Wyoming requires no periodic safety inspections and no emissions testing. The only inspection in the system is a VIN check when titling a vehicle arriving from out of state — an in-state private sale needs nothing. source |
Checked against county clerk pages and WYDOT's titles, plates & registration pages as of August 2026. In Wyoming, titles come from county clerks and plates from county treasurers, so your county office is the final word on fees and forms.
Asked by Wyoming sellers
Does Wyoming really require a notary to sell a car?
Yes — it's one of the handful of states that does. Every owner listed on the title signs the seller's section before a notary, and at least one buyer's signature on the purchaser's application gets notarized as well. County clerk offices handle it in person, and most banks will notarize for their customers. The classic mistake is signing the title at the kitchen table first; sign in front of the notary or you may be shopping for a duplicate.
Do I have to notify the state after I sell my car in Wyoming?
No. Wyoming has no notice-of-sale or release-of-liability filing for private sellers. Your protection is the notarized title transfer, taking your plates with you, and keeping a dated bill of sale — several county clerks, including Natrona County's, publish a free bill of sale form for the purpose.
What happens to my license plates when I sell?
They come off and go home with you. Wyoming sells plates to the owner, not the vehicle, so you can transfer them — along with any remaining registration credit — to a replacement vehicle through your county treasurer. Never leave them on the car.
I lost my Wyoming title — can I still sell?
Yes, after a $15 duplicate from the county clerk that issued the original. Every owner signs the duplicate application before a notary, the process works by mail or in person, and an old lien on the record needs a release before the duplicate issues. Build in a little lead time and it's painless.