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A&A Plumbing is a family-owned full-service plumbing company located in Sunnyvale, California, serving San Mateo and Santa Clara Counties since 1947. We offer a wide range of services, including plumbing, heating, and air conditioning, with mobile plumbing vans equipped to handle any job. Our owners take an active part in the day-to-day operations, ensuring personalized quality service to each customer. We specialize in all types of plumbing jobs, from simple household issues to complex engineering and design projects.