Colorado Change In Owner Name Mailing Address is a process that allows property owners in the state of Colorado to update their mailing address information with the county assessor’s office. This process is necessary for property owners to ensure that they receive all the tax notices, assessment notices, and other important documents sent by the county. There are two types of Colorado Change In Owner Name Mailing Address: 1) Change of Ownership and 2) Change of Mailing Address. Change of Ownership occurs when ownership of a property changes, such as when a new owner purchases the property. Change of Mailing Address occurs when the mailing address for an existing property owner changes. Both types require the completion of a Change of Ownership or Mailing Address form, which can be accessed through the county assessor’s website. The form must be completed, signed, and mailed to the county assessor’s office along with the appropriate supporting documents.