Sounds like the broker is not doing their job to make sure the people "selling" the land actually own it. Archive: https://archive.today/MzqLK From the post: >>Every couple of weeks, Megan Gilhooly and her husband Ryan drive by their vacant property outside Arvada to pick up the mail. On Sunday, however, they noticed something strange: Their land in unincorporated Jefferson County had a “for sale” sign on it from a legitimate real estate broker. Yet the couple had never put the property on the market.