EST. 2014 - McCarthy Design, located in Sonoma, CA, provides services in Sonoma, Napa & Marin Counties and beyond. Residential Design & Drafting Services include: Detailed Custom Home Plans & Construction Documents that ensure functionality, aesthetics, and code compliance. Translating client needs into practical layouts, facilitating clear communication among consultants & clients. Transforming your vision into reality with expert residential design and drafting services tailored to your unique lifestyle. Whether building a new home, remodeling, adding an ADU or expanding an existing home, our design & drafting ensures accuracy & compliance, through detailed floor plans, elevations, and 3D renderings that bring your ideas to life before construction begins. Choose reliable, efficient drafting solutions that save time and reduce costly errors, making your dream home achievable and stress-free. Let’s build your future together with smart, customized residential design and drafting.