Corvallis Garage Builder — Shops, RV Bays & More
Custom Garage — built by Eugene’s garage & ADU master craftsman, serving Corvallis since 1969.
Thinking about a custom garage in Corvallis? A custom garage means covered parking, a real workshop, RV storage, or an apartment above — and Red Umbrella has been building garages, ADUs, and additions across Benton County since 1969. Corvallis ADU demand runs high because of OSU’s off-campus housing crunch — the city’s permitting office processes more ADU applications than most Oregon cities its size, and we know the workflow.
Building a custom garage in Corvallis
Corvallis sits 47 mi north of Eugene via I-5 & OR-34. 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 Corvallis — a process we know well — and for a custom garage, that shapes the foundation, setbacks, and whether a detached shop or an attached garage fits the lot.
Locally, Corvallis is known for Oregon State University campus, Willamette River, Mary’s River, strong bicycle culture, and we tailor every build to fit the lot, the neighborhood, and how you actually live.
Custom Garage in Corvallis: what we build
We build detached and attached garages — 1 to 4 car, heated shops, tall RV bays, and garages with a finished apartment above.
- Detached & attached, 1–4 car
- Heated shops, RV bays & pole buildings
- Garage with an apartment or suite above
- Any roof style — gable, hip, gambrel, more
Why Corvallis 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 Corvallis and make the whole path simple.
Corvallis custom garage questions
Does a new garage in Corvallis require a permit?
Yes — any detached garage over 200 square feet in Corvallis requires a building permit from the City of Corvallis or the applicable county (Lane, Linn, Benton, or Douglas). Red Umbrella prepares and submits all permit documents, coordinates inspections, and delivers a final Certificate of Occupancy or final inspection sign-off before the project is considered complete.
What is Oregon’s contractor lien notice requirement?
Under Oregon Revised Statutes Chapter 87, contractors must provide homeowners with an “Information Notice to Owner” before beginning work; this notice explains your rights if subcontractors or suppliers file liens for unpaid amounts. Red Umbrella provides this notice as part of the contract paperwork before any work begins. Understanding your lien rights protects you even if all payments to Red Umbrella are made on time.
Does building an ADU or addition increase my home’s value?
Adding an ADU or a well-designed addition generally increases a home’s resale value in the Corvallis market, though the increase depends on location, finishes, and buyer demand. An ADU that generates rental income is especially appealing to buyers who can offset their mortgage with rent. Red Umbrella builds to quality standards that hold up over time and support strong appraisals.
We also build these in Corvallis.

ADU Builder
A backyard ADU adds rental income, room for family, and lasting property value.
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Garage Conversion
A garage conversion is the fastest, most affordable way to add finished living space.
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Home Additions
A seamless addition adds the room you need without the cost and upheaval of moving.
Learn more →Trusted across the valley.
"Bari built us a fine, 600 sq ft cottage (ADU) in our back yard. Helpful from start to finish through the permit process."
"Our garage was crushed by a tree in the ice storm. Red Umbrella, garage specialists, were perfect for the job."
"Bari at Red Umbrella is a solid contractor! We hired him to remodel our garage in College Hill, and it became a special place to live and enjoy."
Planning a custom garage in Corvallis?
Bari will look at your lot and give you an honest number — permits handled, up to 120% financing, usually a reply within one business day.
Get My Free Estimate → Call (541) 515-3843