Methods and systems are provided for verifying images associated with properties offered for sale, lease, or rent. One exemplary method includes receiving, at a computing device, at least one image associated with a real property and searching, in a listing database, for the at least one image. The at least one image depicts at least a portion of the real property, and the listing database includes a plurality of known images, each associated with real property. The method also includes flagging, at the computing device, the at least one image as a preexisting image when the at least one image matches one of the plurality of known images in the listing database.