TUCSON—CBRE recently negotiated long-term office leases with major tenants at One South Church, the landmark building in downtown Tucson. Global engineering firm HDR has leased 9,659 square feet of space, while Regus, the world's largest provider of flexible work space, has inked a deal for the entire 12,659-square-foot 12^th floor.

Buzz Isaacson with CBRE's Tucson office represented the landlord, Chicago-based Equity Commonwealth. Kevin Calihan with CBRE's Phoenix office represented Regus, and Pat Williams with JLL's Phoenix office represented HDR.

Regus's lease marks its entrance to the Tucson market. The company has an expansive presence in Phoenix with 21 locations Valley-wide in the best office building in almost every submarket in the metropolitan area.