JS Design + Build

JS Design + Build is a full-service design and build remodeling firm in Napa, CA, serving the Napa Valley, Sonoma, Solano & Green Valley. We specialize in whole-house renovations, home additions, ADUs, & custom kitchen remodels. Our in-house team manages the entire process, from design and feasibility studies to construction and final cleanup—ensuring a seamless, stress-free experience. With over 45 years of design expertise and 20+ years of building experience, we deliver inspired spaces with craftsmanship, accountability, and integrity. Trusted by Napa homeowners for our attention to detail and transparent process . Whether you're remodeling a historic farmhouse or planning a modern kitchen upgrade, we will bring your vision to life.