CLAYTON, MO. — Pinnacle Real Estate Advisors LLC has arranged the sale of a 3,600-square-foot property occupied by Qdoba, a fast-casual Mexican restaurant, in Clayton for $1.8 million. The single-tenant building is located at 6701 Clayton Road across the street from a Schnuck’s grocery store. Qdoba has operated at the location since 2016. Zach Wright, Rob Edwards and Tom Ethington of Pinnacle represented the buyer, a Texas-based investor. A local real estate company was the seller.