St. Helena · Napa Valley
Home Additions in St. Helena
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 St. Helena, every project is handled design-build by one accountable team — from first consultation through final walkthrough.
DESIGN-BUILD · SERVING ST. HELENA
Home Additions
What's included in St. Helena
- —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 St. Helena
- Do you build primary suite additions in St. Helena?
- Yes. Primary suite additions are one of our home additions specialties, and we build them in St. Helena 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 St. Helena?
- Yes. Second-story additions are one of our home additions specialties, and we build them in St. Helena 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 St. Helena
We know St. Helena and the rest of Napa Valley.
Neighborhoods we serve
Downtown St. HelenaSpring Mountain
Many St. Helena homes are historic, so our St. Helena remodels respect original character while quietly upgrading systems, insulation, and finishes.
Ready to build something that lasts?
One team handles design, permits, and build — from concept to finished space.
