Twins Sarah Patterson, above in white, and Grace Patterson, in pink, examine a Santa Clara County Department of Environmental Health notice at the Starbucks on Main Street, inset. Bemused caffeine addicts stalled out in front of the outpost became a common sight in downtown Los Altos over the holidays. The coffee shop failed inspections Dec. 21 and 27 and reopened over the weekend. Reached by phone, store manager Khan Tran declined to describe the work that had been ongoing inside the store last week. The location had received high marks in previous examinations, but last month an inspector noted live cockroaches on and around the coffee bar and kitchen areas.