Eugene Home Addition Builder

Thinking about a home addition in Eugene? A seamless addition adds the room you need without the cost and upheaval of moving — and Red Umbrella has been building garages, ADUs, and additions across Lane County since 1969. Eugene’s urban-infill emphasis and ADU-friendly R-1 zoning make it one of the easier places in the valley to add a garage conversion or detached ADU — the city actively encourages density without displacing neighborhood character.

Building a home addition in Eugene

Eugene the heart of Lane County on I-5 at the Willamette Valley floor. Sits on the Willamette Valley floor with established neighborhoods and city-run permitting, so a project moves on a predictable timeline. Building permits here go through City of Eugene — a process we know well — and for a home addition, that shapes how the new space ties into existing rooflines, the foundation, and the permit path.

Locally, Eugene is known for University of Oregon campus and the Willamette River path system, and we tailor every build to fit the lot, the neighborhood, and how you actually live.

Home Additions in Eugene: what we build

We build room additions, primary suites, second stories, and bump-outs that match your home’s lines like they were always there.

• Room & multi-room additions
• Primary suites with spa baths
• Second stories, engineered & permitted
• Sunrooms, bump-outs & matched rooflines

Why Eugene homeowners choose Red Umbrella

• Garages and ADUs under one roof — the rare shop that masters both, so a garage-with-a-suite is one project, one crew.
• Master Electrician in-house — owner Bari Swartz wires it himself, to code, no waiting on a sub.
• Building since 1969 — you work directly with Bari, not a sales rep or a rotating cast of subs.
• Permits handled & up to 120% financing — we know City of Eugene and make the whole path simple.

Eugene home addition questions