Free Connecticut Vehicle (DMV) Bill of Sale (Form H-31) | PDF

Connecticut Vehicle (DMV) Bill of Sale (Form H-31)

A Connecticut DMV bill of sale (Form H-31) is a written record that documents a private vehicle sale and helps verify the details of the transaction. Both the buyer and seller are expected to sign, as the form is required when registering a privately purchased vehicle. Registration is typically expected to be completed within 20 days of the sale.

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Last updated June 3rd, 2026

A Connecticut DMV bill of sale (Form H-31) is a written record that documents a private vehicle sale and helps verify the details of the transaction. Both the buyer and seller are expected to sign, as the form is required when registering a privately purchased vehicle. Registration is typically expected to be completed within 20 days of the sale.

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Bill of Sale (Requirements)

  • Buyer’s information
    • Full name
    • Address
    • Signature
  • Seller’s information
    • Full name
    • Address
    • Signature
  • Vehicle information
    • Make/Year/Model
    • Vehicle identification number (VIN)
    • Odometer reading
  • Sale information
    • Selling price ($)
    • Date sold

Source: Connecticut DMV (Get a bill of sale)

How to Register a Vehicle

Visit your nearest DMV location with an appointment(!) to register your new or used vehicle. Be sure to come equipped with the materials listed below:

  • Bill of Sale (Form H-31)
  • Connecticut Insurance Identification Card: Proof of Connecticut insurance is required. Minimum coverage includes:
    • $25,000 for bodily injury to one person
    • $50,000 for bodily injury per accident
    • $25,000 for property damage
  • Connecticut Registration and Title Application (Form H-13B): Completed by the owner.
  • Identification: An acceptable form of identification is required for each person listed as an owner.
  • Proof of Ownership: If the vehicle was purchased in Connecticut and is newer than 20 model years old, a title is required. For vehicles 20 or more model years old, the previous owner’s registration may be used instead of a title.
  • Be prepared to pay the registration fee, sales tax, and any applicable extra fees.

Source: Connecticut DMV (Register your new vehicle or vessel), Connecticut Insurance Department (Auto Insurance)

How to Register a Boat

Connecticut requires boats and personal watercraft to be registered through the Connecticut DMV. You can then visit any Connecticut DMV office with the following paperwork for submission:

  • Acceptable identification, such as a driver’s license or U.S. passport, for each listed owner.
  • Bill of Sale (Form H-31).
  • Payment for registration fees and applicable sales tax.
  • Proof of ownership, such as a Manufacturer’s Certificate of Origin, title, previous registration, or U.S. Coast Guard documentation, depending on the vessel.
  • Vessel Registration Application (Form B-148).

Out-of-State Purchase

  • Current out-of-state registration, if the vessel came from a state that does not issue vessel titles.
  • Out-of-state title, if the vessel came from a title state.

Source: Connecticut DMV (Register Your Vessel)

Sample

Download: PDF

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