Sonora Quest Laboratories-Main Lab receives many reviews praising its professional, kind, and friendly staff. Technicians are frequently described as fantastic, very good, and experienced at taking blood, with multiple patients noting they barely felt the needle. The check-in process is easy and appointments move quickly, making the experience easy as pie for many. The Mountain View location is specifically highlighted as always being absolutely wonderful. Some feedback notes that a pediatric location may not have major differences from other labs. A minor criticism involves the sample turn-in process, where a lack of clear signage can cause confusion, requiring patients to drive to a different side of the building. Overall, the staff's professionalism and skill are consistently commended.