Planning construction or remodeling in the San Francisco Bay Area? Tell us about your property, goals, and priorities. Up Building Construction Inc. brings 26+ years of experience to new builds, additions, ADUs, kitchens, bathrooms, and commercial renovations. We serve Sonoma, Napa, Marin, the Peninsula, and Contra Costa County. Call 415-533-3041 or use the form to discuss your ideas, review your needs, and request a project estimate.