Free California Vehicle (DMV) Bill of Sale (Form REG 135) | PDF

California Vehicle (DMV) Bill of Sale (Form REG 135)

A California DMV bill of sale (Form REG 135) documents a vehicle transfer and records the key terms agreed upon by the parties involved. This captures details such as the vehicle’s description, VIN, sale price, and identities. The seller’s signature is required. California enforces a short turnaround where an ownership transfer and registration must be completed within 10 days of the sale.

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Last updated March 27th, 2026

A California DMV bill of sale (Form REG 135) documents a vehicle transfer and records the key terms agreed upon by the parties involved. This captures details such as the vehicle’s description, VIN, sale price, and identities. The seller’s signature is required. California enforces a short turnaround where an ownership transfer and registration must be completed within 10 days of the sale.

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Bill of Sale (Requirements)

  • Buyer’s information
    • Full name
    • Address
  • Seller’s information
    • Full name
    • Address
    • Driver’s license, ID, or dealer number
    • Daytime phone number
  • Vehicle information
    • Identification number
    • Year/Make/Model
    • License plate/CF number
    • Motorcycle engine number (if applicable)
  • Sale information
    • Date of sale
    • Selling price ($) or Gift value ($) + Relationship, if applicable
  • Signatures
    • Seller’s signature
    • Seller’s date

Source: California DMV Bill of Sale (Form REG 135)

How to Register a Vehicle

You have 10 days to register your vehicle after purchase. To register, visit one of California’s DMV locations and bring the following materials:

  • The vehicle’s title (if the title has been lost or stolen, you must fill out the Application for Duplicate or Transfer of Title). Be sure to transcribe the vehicle’s mileage onto the document (this is only necessary if the vehicle is less than 10 years old).
  • Bill of sale (proof of a transfer of ownership).
  • A valid form of identification.
  • Proof of an active insurance policy.
  • A filled-out and signed California Application for Title or Registration (Form REG 343).
  • A validated smog certificate is required in certain counties, search your zip code to see if you will need to acquire one.
  • Proper funds to pay the standard registration fees.

How to Register a Vessel

The State of California specifies that any motor-propelled vessel or sailboat larger than 8 feet that is to be registered on a body of water within the state or coastline must be registered. The exceptions to this rule are if the seacraft is a seaplane, sailboat with a length of fewer than 8 feet, a vessel to be used for racing purposes, a houseboat, or lifeboat, or if the boat is only to be utilized on an invariable track. In addition, if the boat is registered in another state or country, registration is not required unless you plan to utilize it for a period of longer than 120 days.

To register your boat, obtain the following documentation and present it at your nearest California DMV location:

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