To be able to buy or sell Colorado home, you must provide valid identification document, such as American passport or ID card. All documents submitted with your application will be verified prior to finalizing the deal. Recently there been few attempts of property fraud by means of impersonating the legitimate owner with fake identity documents, which, as we investigated, can be openly bought on certain websites. Click here to learn more. Identity fraud is a felony and all suspicious cases will be reported to police.