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Wyoming · Boat · Updated June 2026

Wyoming Boat Bill of Sale

Everything you need to sell or buy a boat privately in Wyoming — the WYDOT rules on notarization and witnesses, the official form, what to include, and how to transfer the title. Then make yours free.

Bill of saleSituational
NotarizationSituational
WitnessesNone
State formMV-300A

Wyoming boat — quick answer

In Wyoming, a boat bill of sale is situational and notarization of the title transfer is situational. The state form used for titled vehicles is MV-300A. Boats in Wyoming may be registered through the DMV or a separate wildlife/parks agency — confirm with the WYDOT.

Is a boat bill of sale required in Wyoming?

Situational. County clerks (who administer titling) routinely require a notarized bill of sale as evidence of ownership and price.

Seller assigns the title; the buyer titles through the county Clerk and registers. For boats specifically, registration authority can differ from cars — verify whether your vessel is handled by the WYDOT or a separate wildlife/parks agency.

Does a Wyoming boat bill of sale need to be notarized?

Situational (situational). A notarized bill of sale is commonly required by county clerks as ownership evidence. Confirm your specific county clerk’s requirement.

What to include on a Wyoming boat bill of sale

  • Buyer and seller names and addresses
  • Year, make, model, and length
  • Hull Identification Number (HIN) — 12 characters
  • Motor details (make, horsepower, serial number)
  • Whether a trailer is included
  • Price, date, and signatures

How to transfer a boat in Wyoming

  1. 1
    Complete the bill of sale and title assignment.

    Record the buyer, seller, price, and date. Both parties sign and date.

  2. 2
    Hand over the signed title.

    Seller assigns the title; the buyer titles through the county Clerk and registers.

  3. 3
    Register with the WYDOT.

    The buyer titles and registers the boat, bringing Application for Certificate of Title (MV-300A). Confirm current fees on the official page.

Official sources

Requirements change and can vary by county. Confirm with the WYDOT before you sign. Not legal advice.

Wyoming Boat Bill of Sale — FAQ

Is a boat bill of sale required in Wyoming?

A bill of sale is situational in Wyoming. County clerks (who administer titling) routinely require a notarized bill of sale as evidence of ownership and price.

Does a Wyoming boat bill of sale need to be notarized?

Sometimes. A notarized bill of sale is commonly required by county clerks as ownership evidence. Confirm your specific county clerk’s requirement.

What is a HIN on a boat bill of sale?

The Hull Identification Number is a 12-character code unique to the boat, similar to a VIN on a car. It is required to register the vessel and should be copied exactly.

Do I need a separate bill of sale for the boat trailer and motor?

The motor is usually described on the boat bill of sale. A trailer often has its own VIN and may need its own bill of sale and registration — use our trailer bill of sale for that.

Is a bill of sale proof of ownership?

Generally no. For titled property like a car or boat, the title is what proves ownership. A bill of sale proves that a sale happened and records the price, date, and terms — it supports the title transfer but does not replace it. For untitled property (furniture, equipment, electronics), the signed bill of sale is usually the main proof of ownership.

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