Custom ADU Design & Construction in San Bruno

Expertly designed, fully permitted ADUs tailored to San Bruno properties. Built for rental income, family living, and long-term property value.

Free in home estimate

    Trusted by customers all around the bay area

    Trusted San Bruno ADU Builders From Design to Completion

    San Bruno homeowners trust Sea Design Build for high-quality, code-compliant ADU construction. We manage the entire process—from feasibility studies and architectural design to permits and construction—so you don’t have to coordinate multiple contractors. Our team understands San Bruno zoning regulations, setbacks, and utility requirements, ensuring a smooth approval process.

    Whether you’re planning a detached ADU, garage conversion, or attached unit, we design spaces that maximize square footage, natural light, and functionality. With local experience and a transparent process, we help you add livable space that increases both comfort and property value.

    ADU Design & Construction in San Bruno, CA