SUNNYVALE, CA—Principal Real Estate Investors, based in Des Moines, Iowa, has broken ground for a 107,000-sq.-ft office building here at the Sunnyvale Business Park.

The three-story property will become the 10th building in the 520,000-sq.ft. park, which is located at Mathilda and Evelyn avenues. The project, which is being built speculative, is located within one block of the Sunnyvale Caltrain station and downtown Sunnyvale amenities. The building will feature a steel frame and concrete wall panels.

“Sunnyvale Business Park is a proven location for high quality companies,” says Jeff Uittenbogaard, senior asset manager at Principal. Legacy Partners is providing development services and serves as the park’s property manager. Dave Sandlin, Susan Gregory, and Kevin Moul with Colliers are the listing agents. Ware Malcomb is project architect and the general contractor is Lusardi Construction.