KOI Build Co offers a full range of home remodeling services for homeowners in Olympia, Lacey, Tumwater and communities across South Puget Sound, WA. From single-room upgrades to whole-home transformations, our licensed and insured team provides start-to-finish support with clear communication, detailed planning and high-quality craftsmanship.

As a design-build contractor, we handle every phase of your project under one roof, including consultation, design, permitting, construction and final walkthrough. Our services include kitchen and bathroom remodeling, home additions, custom decks and patios, roofing, flooring, painting, ADUs and DADUs, tiny homes and complete home renovations tailored to your goals and budget.

Whether you are updating finishes, adding square footage or completely reimagining how your home functions, KOI Build Co delivers remodeling services designed around the way you live. We focus on durable materials, thoughtful layouts and clean execution so your project adds long-term comfort, usability and value to your South Puget Sound home.