HOUSTON — Colvill Office Properties has brokered a 3,989-square-foot office lease with The Mitchell Group at The Jones on Main, a newly rebranded office complex located at 708 and 712 Main St. in Houston. The Jones on Main includes the JPMorgan Chase & Co. Building in Houston’s central business district. Mitchell Group will occupy the entire 31st floor at the 715,000-square-foot office tower. Connor Saxe and Vince Strake of Colvill Office Properties represented the property’s ownership, Lionstone Investments and Midway, in the lease transaction. Kevin Kushner of CBRE represented The Mitchell Group.