Houston Chronicle BIG SELLERS 2019-01-14 - See which master-planned communities racked up the most sales last year.Eleven Houston-area communities made a national top-seller list based on new-home sales in 2018. The list was compiled by Washington-based real estate advisory firm RCLCO. Source: RCLCO *Sales in Irvine Ranch are estimates based on performance during the first half of 2018. In other communities, annualized estimates are based on sales figures provided by community representatives in December. Final sales figures will be updated at RCLCO.com.