McCarthy Design provides residential design and drafting services for Sonoma & Napa Counties, San Francisco Bay Area, Hawaii & beyond. Your dream house designed in style desired. Contemporary Farmhouse to Craftsman Bungalow, any style created in 3D/BIM. Construction drawings for Building Permit completed for local Building and Planning Department. When building permit is approved, McCarthy Design can connect you with trusted local general contractor to complete your project. Contact Patrick McCarthy today for free consultation. Service areas include San Francisco Bay Area and beyond. McCarthy design comes to your site to evaluate potential opportunities. Design the home you want today!