Swisshome ADU Builder
ADU Builder — built by Eugene’s garage & ADU master craftsman, building across Lane County since 1969.
Thinking about an ADU in Swisshome? A backyard ADU adds rental income, room for family, and lasting property value — and Red Umbrella has been building garages, ADUs, and additions across Lane County since 1969. On larger rural parcels along the Siuslaw, a small ADU gives a parent, an adult child or a caretaker their own place, sited with the septic system, the well and the floodplain in mind.
Building an ADU in Swisshome
Swisshome sits about 35 miles west of Eugene as the crow flies, in the Coast Range, on Highway 36 along the Siuslaw River. It is one of the wetter corners of Lane County, and river-bottom lots can fall inside the Siuslaw floodplain, so drainage, moisture control and siting are planned first. Building permits here go through Lane County — a process we know well — and for an ADU, that shapes how utilities connect and whether a detached cottage or an attached unit fits best.
Locally, Swisshome is known for the Siuslaw River, its salmon and steelhead runs, and the winding Highway 36 corridor through Coast Range timber, and we tailor every build to fit the lot, the neighborhood, and how you actually live.
ADU Builder in Swisshome: what we build
We build detached backyard cottages, attached units, and ADUs above or beside a garage — designed, permitted, and built end to end.
- Detached & attached ADUs, 400–900+ sq ft
- Garage-to-ADU conversions (our specialty)
- Permits, utilities & site work handled
- Up to 120% financing — cash-flows as a rental
Why Swisshome 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.
- Electrical planned from day one — owner Bari Swartz, formerly a Master Electrical Contractor in several states, plans the wiring with the floor plan.
- 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 Lane County and make the whole path simple.
Swisshome ADU questions
Can I add an ADU on my Swisshome property?
Often, yes, but it depends on where the lot sits. Swisshome is unincorporated, so Lane County zoning decides whether a second dwelling is allowed, and a rural lot also needs septic capacity for it. Bari checks zoning, lot size, sewer or septic capacity and setbacks at the free on-site consultation, so you know what is allowed before any design money is spent.
Is Swisshome inside Red Umbrella’s service area?
Yes. Swisshome is about 35 miles west of Eugene in a straight line, on Highway 36, inside our service area of Lane County within about 45 miles of Eugene.
Who issues building permits in Swisshome?
Swisshome is unincorporated, so Lane County issues the building permits and does the inspections. River-bottom parcels may need a floodplain review as well, and Red Umbrella handles that paperwork with the permit.
We also build these in Swisshome.

Garage Conversion
A garage conversion is the fastest, most affordable way to add finished living space.
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Custom Garage
A custom garage means covered parking, a real workshop, RV storage, or an apartment above.
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Home Additions
A seamless addition adds the room you need without the cost and upheaval of moving.
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Home Remodeling
Whole-home remodels, great rooms, open floor plans and new floors — by the builder who knows every trade.
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Kitchen Remodeling
New layouts, open-plan kitchens, custom cabinets, islands and lighting — structure, wiring and finish planned together.
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Bathroom Remodeling
Tile showers, tub-to-shower conversions, double vanities, primary-bath expansions and accessible walk-in baths.
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 an ADU in Swisshome?
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