Kitchens, bathrooms, layouts, systems and finishes renovated together — for Lake Oswego homes from 1930s cottages to 1980s two-stories. One design-build contract, one project manager, and published price ranges so you can plan before we meet.
Local Knowledge · Lake Oswego, OR
A whole-house remodel is mostly a sequencing problem. These are the decisions that shape cost and schedule here.
A whole-home remodel in Lake Oswego, OR typically costs $150,000–$325,000 in 2026, with phased remodels from about $75,000 and complete renovations above $325,000. Expect 3–6 months of design and permitting and 4–9 months of construction. Structural, plumbing, electrical and mechanical work all require City of Lake Oswego permits.
Much of the city’s housing is 1950s–70s ranches, split-levels and daylight basements on sloped, heavily treed lots. The bones are usually good; the layouts, wiring and ventilation are of their time.
The Ladd Estate era left English cottages and Tudor Revival homes with cedar shingle, native stone and plaster walls, plus Oregon Iron Company worker cottages in First Addition. Beautiful, and full of unknowns once walls open.
With typical Lake Oswego homes valued around $850,000–$950,000, the question comes up often.
Not every whole-home remodel needs you to move out.
| Scope | Typical cost | Timeline |
|---|---|---|
| Phased remodel | $75K–$150K | 2–4 months |
| Main floor plus kitchen and baths | $150K–$325K | 4–7 months |
| Complete renovation | $325K+ | 6–9 months |
| Design, engineering and permits | Varies by scope | 3–6 months |
Any structural, plumbing, electrical or mechanical change needs a City of Lake Oswego permit, and a whole-home remodel usually needs all of them. Plans may require floor plans, structural calculations and energy documentation. We prepare the set, answer plan-review comments and schedule every inspection.
If trees near the work are protected, the city must inspect the fencing before it issues the building permit. On landmark properties, exterior changes generally go to the Development Review Commission.
Remodeling a house one room at a time over ten years usually costs more and never quite fits together. A whole-home renovation lets us fix the layout, the wiring, the plumbing and the insulation once, while the walls are open, then carry one design through every room.
Design, structural work, plumbing, electrical, cabinetry, tile and finishes, delivered by our in-house crew and licensed, vetted trade partners under one project manager. We file City of Lake Oswego permits and coordinate every inspection.
Interior & exterior updates, layout modifications, flooring & finishes, whole-home transformations.
Custom layouts, cabinets & vanities, tile & countertops, fixtures & finishes.
Room additions, expanded living spaces, garage conversions, seamless integration.
Framing & drywall, electrical & plumbing, painting & trim work, final detailing.
We walk every room, review what you want to change and what the house needs, and give you a budget range before any design fees.
Plans, engineering and selections for the whole house, submitted to the City of Lake Oswego with a phased schedule and a written price.
Our crew and trade partners work to that schedule, with weekly walkthroughs and one project manager accountable from demolition to final inspection.
Why Homeowners Choose Serden
From First Addition and Old Town to Lake Grove, Westlake, Palisades and Mountain Park — plus West Linn, Dunthorpe and Tualatin. We handle City of Lake Oswego permits and any HOA submittals the project needs. Our Lake Oswego office is at 333 S State St, Lake Oswego, OR 97034 — design consultations by appointment.
Free in-home consultation — serving Lake Oswego, OR & Clackamas County
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Questions? Call (360) 836-7775
Few Lake Oswego remodelers publish prices. These are honest 2026 ranges for finished, permitted work; Oregon adds no sales tax.
Ranges are planning figures, not quotes. Your fixed price follows design and a written scope.
Keep Exploring
Everything Serden Group builds in Lake Oswego, the same service in nearby cities, and the planning guides clients read before they start.
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Full project gallery will appear here.
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