Mill Valley · Marin
Home Additions in Mill Valley
Room additions, second stories, and bump-outs that feel original to the house — not bolted on. We handle structural engineering, permits, and finishes so your new space matches the home you already love. In Mill Valley, every project is handled design-build by one accountable team — from first consultation through final walkthrough.
DESIGN-BUILD · SERVING MILL VALLEY
Home Additions
What's included in Mill Valley
- —Feasibility & structural design
- —Permitting & city approvals
- —Foundation & framing
- —Roofline & exterior matching
- —Full interior finish
- —Single point of accountability
Home Additions specialties
Home Additions specialties in Mill Valley
- Do you build primary suite additions in Mill Valley?
- Yes. Primary suite additions are one of our home additions specialties, and we build them in Mill Valley and the surrounding area from our office in Campbell. builds primary suite additions from our office in Campbell, serving the South Bay and the Bay Area. A primary suite addition adds a bedroom, a full bath and a walk-in closet onto the house, usually off the rear, off the side or over the garage. We design it, engineer it, handle the permit process with your city and build it with one team, so the roof, siding, floors and systems tie in as if the house were built that way. How we build them ›
- Do you build second-story additions in Mill Valley?
- Yes. Second-story additions are one of our home additions specialties, and we build them in Mill Valley and the surrounding area from our office in Campbell. designs and builds second-story additions from our office in Campbell, serving the South Bay and the Bay Area. A second story adds bedrooms and baths above the existing footprint, so a structural engineer evaluates the foundation and first-floor framing before design begins. We handle that engineering, the permit process with your city, the roof removal and weather protection, and the construction as one design-build team. How we build them ›
Local to Mill Valley
We know Mill Valley and the rest of Marin.
Neighborhoods we serve
Tam ValleyHomestead ValleySycamore Park
Mill Valley's wooded, hillside lots demand careful structural work and indoor-outdoor flow — a signature of our Mill Valley kitchens and additions.
Ready to build something that lasts?
One team handles design, permits, and build — from concept to finished space.
