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Interior Remodeling
in Lake Oswego, OR

Open floor plans, flooring, trim, built-ins, lighting and paint for Lake Oswego homes — especially the mid-century and 1980s layouts that feel chopped up today. One project manager, one schedule, and City of Lake Oswego permits handled when walls move.

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Local Knowledge · Lake Oswego, OR

Interior remodeling in Lake Oswego, by house type

The same request — open it up, update it, make it flow — means different work in a 1930s cottage, a 1960s ranch and a 1980s two-story. Here is what each usually involves.

Quick answer

An interior remodel in Lake Oswego, OR typically costs $15,000–$40,000 for a single room, $35,000–$90,000 to open a main floor with wall removal, and $90,000–$200,000 for a multi-room renovation in 2026. Removing or altering a bearing wall, or changing electrical or plumbing, requires a City of Lake Oswego permit.

Lake Grove, Palisades, Uplands & Forest Highlands — mid-century homes

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.

  • Kitchen, dining and living walls removed with engineered beams
  • Low, dark ceilings brightened with recessed and layered lighting
  • Split-level stairs rebuilt with new treads and open railings
  • Continuous hardwood or LVP across the main floor

Westlake — 1980s and early-1990s traditional homes

Larger two-story homes with builder-grade finishes that are now 30–40 years old. The Westlake HOA design review committee must approve exterior changes — siding, roofing, windows, paint and tree removal.

  • Formal living and dining rooms turned into usable space
  • Builder oak trim and doors replaced with a consistent profile
  • Two-story entries updated with new railings and lighting
  • Carpet replaced with hardwood on the main level

Mountain Park — the planned community

Built in phases on Mt. Sylvania from the late 1960s into the 1980s. Interior work is yours to decide; anything that changes the exterior needs written approval from the Mountain Park HOA architectural committee as well as city permits.

  • Wood-paneled walls and beamed ceilings updated or refinished
  • Sunken rooms leveled for easier living
  • Walls opened to bring in tree and valley views
  • Interior-only work needs no HOA submission

First Addition, Old Town & the lakeside — 1920s–40s cottages

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.

  • Original trim and doors restored instead of replaced
  • Plaster repaired or skim-coated rather than torn out
  • Pre-1978 paint tested and handled lead-safe
  • Knob-and-tube or undersized wiring identified early
Lake Oswego interior remodel costs and timelines (2026)
ScopeTypical costTimeline
Single-room refresh$15K–$40K2–4 weeks
Main floor opened, wall removed$35K–$90K6–10 weeks
Flooring and trim throughout$25K–$70K3–6 weeks
Multi-room renovation$90K–$200K10–16 weeks

Which interior projects need a permit in Lake Oswego?

Removing or altering a bearing wall, adding or moving circuits, and moving plumbing all require a permit from the City of Lake Oswego, which issues the building and trade permits. We provide engineered drawings and manage inspections.

Flooring, paint, trim and cabinetry replacement are generally cosmetic. We confirm the scope with the city before telling you a permit isn’t needed.

  • City of Lake Oswego Building DivisionCity Hall, 380 A Avenue, 2nd floor, Lake Oswego, OR 97034 · 503-635-0390 · permits@lakeoswego.city. Applications go through the state e-Permitting (Accela) portal; walk-in intake is weekday mornings only, so call ahead.
  • Trade permitsElectrical, plumbing and mechanical permits are issued by the City of Lake Oswego itself, and Oregon requires the licensed electrical contractor to pull the electrical permit.
  • Tree code (LOC Chapter 55)Removing any tree 6 inches or more in diameter at 4.5 ft needs a city permit. Where tree protection is required, the fencing has to be installed and inspected before the building permit is issued.
  • Allowed work hours (LOC 34.10)Monday–Friday 7am–6pm, Saturday 8am–6pm. Permitted work isn’t allowed on Sundays or major holidays without a special permit — we schedule around it.
  • Review timeFirst plan review commonly runs several weeks. We confirm the current queue with city staff at submittal rather than promise a date.

Lake Oswego Interiors.
Opened Up Properly.

Most interior remodels we plan in Lake Oswego start with one request: make the main floor feel connected. That usually means a wall comes out, the floors have to run continuously, and the lighting has to be rethought. We engineer the structure, then carry the finishes through so the house reads as one space.

Kitchen with white oak cabinets, a green terrazzo-look backsplash and white range hood Oak flat-panel cabinets with black pulls, terrazzo-look counters and a tall pantry cabinet Oak base cabinets with black pulls and a terrazzo-look backsplash beneath tall windows Terrazzo-look island countertop with a vase of branches and black stools Navy shaker vanity with brass pulls and faucet, with a glass shower reflected in the mirror Navy double vanity with brass hardware, white counter and built-in towel niches Navy shaker vanity with a brass faucet and pulls beside a bright window White freestanding soaking tub with a champagne bronze filler against marble-look tile

Interior Remodeling in Lake Oswego, OR — One Accountable Team

Flooring, trim, built-ins, lighting, stairs and paint, delivered by our in-house crew and licensed, vetted trade partners under one project manager.

Modern kitchen with white flat-panel cabinets, a gray wood island, black stools and globe pendants

Full Interior Renovation

Demo & structural changes, walls, ceilings & drywall, flooring & subfloor work, paint, trim & final finishes.

Kitchen with high-gloss gray cabinets, a gray linear-grain tile floor and mosaic tile backsplash

Flooring & Trim

Hardwood, LVP & tile, baseboards & crown molding, interior doors & casing.

Butler's pantry with a wine refrigerator, light wood cabinets and open shelving

Built-Ins & Shelving

Custom cabinetry & storage, floating & display shelving, staircases & railings.

Oak flat-panel kitchen with terrazzo-look counters, a tall pantry and black stools at the island

Lighting & Paint

Recessed & accent lighting, interior painting & finishes, accent walls & millwork.

Inside every room —
the details that define it

Interior remodeling isn't one service — it's a dozen trades working in sequence. Here's what Serden Group handles in-house, so you don't have to coordinate a thing.

Flooring Installation

Hardwood, LVP & tile throughout, subfloor prep, transitions & thresholds.

Trim & Millwork

Baseboards, crown molding, wainscoting, door & window casing, accent panels.

Built-ins & Cabinetry

Custom shelving walls, bookcases, closet systems, entertainment centers & pantries.

Interior Painting

Walls, ceilings & trim, accent walls, cabinet refinishing, texture finishes.

Lighting Upgrades

Recessed lighting, pendants & sconces, dimmer controls, under-cabinet & accent lighting.

Drywall & Ceilings

Smooth & textured finishes, tray ceilings, repair & patching, wall opening & rebuild.

Interior Doors

Prehung & barn doors, pocket doors, hardware & hinges, closet door systems.

Tile & Surface Work

Kitchen backsplash, shower & bath tile, countertop install, stone & porcelain.

Your Lake Oswego interior remodel, done right —
from first consultation to final reveal.

How It Works
1
Consult

We walk the house, identify which walls are bearing, and talk through how you actually use each room before suggesting a plan and budget range.

Kitchen and living area before the remodel
2
Design

Layout, flooring, trim profiles, lighting and built-ins selected together, with engineering and permit drawings prepared where structure changes.

Kitchen during demolition, with cabinets and flooring removed down to the subfloor
3
Build

Work is phased room by room so you can stay in the home, with dust control, daily updates and every trade coordinated by one project manager.

Finished kitchen remodel with wood shaker cabinets and quartz peninsula

Why Homeowners Choose Serden

Lake Oswego homeowners choose Serden for one accountable team that plans the structure and finishes together — from design to final walkthrough.

Start your project
Serden Group consultation with clients reviewing remodeling plans
Years of Excellence
20+
Projects Completed
1500+
Warranty Coverage
100%
Client Satisfaction
99%

Homeowner Stories

The trusted choice for homeowners.

Real reviews, quoted word for word from the sites our clients left them on. Every card links back to that site.

4.9 ★★★★★

Across 400+ reviews on 9 platforms

Also rated on Houzz, Facebook, Nextdoor, BBB (A+ rating) and Networx.

Read all 400+ reviews
★★★★★ Angi

Kitchen, dining & living room remodel

Serden remodeled our kitchen, dining room, living room and entry way. Dennis and Alex were especially friendly and easy to communicate with. Every person we had contact with was professional and did quality work. When unexpected issues came up, they solved the problems efficiently so we didn't have to stress about anything. They worked really hard to make sure we were happy at each step of the process. We love our new living space!

Kathy B.Angi review · Oct 2023 View on Angi
★★★★★ Google

Whole-home update

I purchased my first home a couple years ago, which was a time capsule from the 60s/70s. I got multiple quotes on getting my house updated. I of course wanted the updates to be budget friendly, but quality enough to last for years to come. Serden Group helped make suggestions that saved me money (to no benefit to themselves). With some of the other quotes I received I couldn't understand where so much of the cost was coming from and the quotes themselves were not clear in what I was being charged for. Serden Group however was very transparent in their pricing. The work they did is absolutely beautiful. Communication was consistent and timely. Their crew is incredibly kind and professional and cleaned up everyday. I think the scariest thing for most people getting work done our their homes is finding a trust worthy company to do so. There are too many occasions of companies having inflated pricing, hidden expenses, shoddy work, or poor communication. If you're looking for a company you can trust and to treat your home with the best care, give these guys a call.

M JGoogle review View on Google
★★★★★ Angi

Condo renovation

I recently worked with Serden Group on my condo renovation, which included replacing floors, removing popcorn from ceilings, and replacing kitchen counters and cabinets. I loved working with Dennis and David. Dennis helped with input on the kitchen design and was great in helping to reduce stress. They were patient with me and my questions. Their crew was great. And as messy of a job that it was, they managed to leave the place clean when they left for the night. The work was great, and they care for the space as if it;s their own.

Erick H.Angi review · Dec 2020 View on Angi
★★★★★ Google

Whole-home remodel

Fantastic experience! They renovated my entire home with new floors, a full kitchen remodel, and a bathroom upgrade. The kitchen looks amazing with new cabinets, countertop, and appliances, and the bathroom to shower conversion turned out beautifully. Great quality work, finished on time, easy to communicate with, and their pricing was very competitive. Highly recommend!

shevonGoogle review View on Google
★★★★★ Google

Flooring throughout

We were very happy with the workmanship on our upstairs, downstairs and stairs flooring. Very friendly and were very accommodating to our home schedule and would recommend them to anybody who needs work to be done in their home

Dylan MarcianoGoogle review View on Google
★★★★★ Angi

Bedroom, bathrooms & kitchen cabinets

We have used Serden Team for 3 projects. They remodeled our master bedroom and bathroom, refaced kitchen cabinets and built a beautiful surround for my refrigerator so it looks built in and remodeled a secondary bathroom. Their work is fantastic. They are easy to work with and communication is the best. I can trust them to do a great job and do the work properly the first time. Wonderful company and will refer them gladly.

john K.Angi review · Oct 2023 View on Angi
★★★★★ Angi

Doors, flooring & paint

They did an excellent job. They were fast and professional. They installed all new doors throughout my house, raised the floor in my family room and office, installed new flooring, and painted both rooms. It looks wonderful. I will be so happy to use the rooms once everything is put back where I want it. We have more work we want done in the future and I will definitely be hiring these guys again.

Valerie C.Angi review · May 2021 View on Angi
★★★★★ Angi

New floors & windows throughout

Serden did a great job on my vacation home in WA. They transformed the property, I had all my floors and windows changed out. Everything looks beautiful, up to date and modern. I will be using them again to remodel my kitchen and bathroom. The whole experience was easy and quick.

Tom L.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Whole-home remodel

We hired Serden and their team to do a complete remodel of our new home that was very outdated. The work they did was incredible! They were very professional, timely, and the attention to detail on the work is amazing. We are so impressed and highly recommend!

Kristen A.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Whole-home remodel

Thank you for your quick response. Also, a big Thank You for helping me make my dream house come true, I never expected my home to become so beautiful. Great job. I will recommend you to my friends.

aa S.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Whole-home remodel

Serden Group and their crews Had done an awesome job remodeling my house. I am very pleased with the outcome. They were very professional and on time. I would definitely use their service again and recommend them to families and friends.

Jim T.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Kitchen, living areas, patio cover & deck

The remodeling team from Serden Group did a very good and professional job at my home. They completely remodeled the kitchen and all the dining and living areas, everything looks like a brand new home! They also installed new patio cover and deck which we already enjoy. Thank you! I definitely recommend them, they are experts, friendly and know what they are doing.

Karen A.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Kitchen & all bathrooms

Serden Group remodeled kitchen and all bathrooms in my house. I am very happy with the quality of their work and the way they were informing me on every stage of the project. They also provided design ideas and suggested colors and materials. I needed the full service from design to completion. I am very satisfied.

Justin S.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Multi-room renovation

Cannot be happier with the outcome of our remodel! Professional and communicative contractors. We will go back to Serden for all of our remodeling needs, other contractors do not compare. Yes- we have wasted time and money on others, before finding Serden.

Jessia R.Angi review · Jan 2021 View on Angi
★★★★★ Angi

Whole-home remodel

This company did a great job on an extensive remodel of a mid 70s home. They upgraded the electrical, plumbing, removed walls, remodeled the bathrooms and kitchen, and put in all new tile flooring. All the home issues were addressed, and we could not be any happier.

Jake K.Angi review · Dec 2020 View on Angi
★★★★★ Google

Primary bathroom remodel

We recently hired Serden Group LLC for a major master bathroom remodel, and we’re extremely happy with the results. Our original space had a large soaker tub and a small 36" x 36" fiberglass shower. After receiving multiple quotes, we chose Serden Group because they offered a clear plan, a thoughtful design approach, and confidence in handling a full transformation. Our project included several significant changes: removing the soaker tub, building a large, fully tiled walk-in shower, relocating the toilet, installing LVP flooring, and even expanding our master closet by moving a wall. They were consistently flexible and willing to work with every new idea or adjustment we brought up. They took the time to explain options, talk through structural considerations, and make sure each decision supported the overall design. One thing we appreciated was that they provided an initial timeline and projected completion date — and they met it. Even when we experienced a family emergency, they were incredibly accommodating and adjusted their schedule to make things easier for us without slowing the project down. The craftsmanship throughout the remodel is excellent. The tile work is beautiful, the closet expansion looks seamless, and the new layout is far more functional and visually appealing. The finished space feels like a true upgrade to our home. We’re very pleased with the entire experience and highly recommend Serden Group LLC to anyone considering a bathroom remodel. They delivered quality work, stayed true to their timeline, and were genuinely supportive when we needed flexibility.

Shawn JGoogle review View on Google

Recent Interior Remodels

Cedar-ceilinged porch and open front door looking through to the stone fireplace — Battle Ground, WA
Walk-in pantry with white oak open shelving and a coffee station — Brush Prairie, WA
Vaulted living room with a floor-to-ceiling stacked-stone fireplace and a reclaimed wood mantel — Vancouver, WA
White oak Japandi kitchen with a terrazzo backsplash, open to the dining room — Brush Prairie, WA
Country farmhouse with a full wraparound porch and gabled dormer lit at dusk — Battle Ground, WA
White shaker kitchen remodel with a stained wood island, brass pendant lights and floor-to-ceiling pantry cabinetry — Felida, Vancouver, WA
Entry with a knotty alder front door opening onto wide-plank floors and the vaulted great room beyond — Vancouver, WA
Quartz peninsula and white subway tile in a warm transitional kitchen — Vancouver, WA
Rear elevation with a deep covered deck above a lower patio, framed by the tree line — Vancouver, WA
White kitchen with a sage green island and a wood range hood — Salmon Creek, WA
Cream traditional kitchen with a coffered ceiling and dark island — Portland, OR
Honey-toned wood kitchen under a coffered wood ceiling
Primary bath with a freestanding soaking tub, white double vanity and tiled feature wall — Vancouver, WA
White oak island with black counter stools under a plaster range hood — Brush Prairie, WA
Vanity with a brushed gold faucet and a window over the counter — Vancouver, WA
Freestanding tub against marble-look porcelain walls — Vancouver, WA
Stained wood island with deep drawers and a built-in microwave drawer, set on dark oak hardwood floors — Felida, Vancouver, WA
Guest bath with a tiled tub surround, dark shaker vanity and a vessel sink — Vancouver, WA
Walk-in shower with a rain head and hand shower in brushed gold — Vancouver, WA
Navy shaker double vanity with brushed gold fixtures — Vancouver, WA
Primary bathroom with a navy double vanity and garden windows — Vancouver, WA
Warm wood shaker kitchen opening onto the family room — Vancouver, WA
Freestanding soaking tub beside a frameless glass shower — Vancouver, WA
Case studies Japandi Kitchen Remodel in Brush Prairie, WA Spa-Inspired Primary Bathroom in Vancouver, WA Jack-and-Jill Bathroom & Walk-In Shower in Lake Shore, Vancouver, WA Warm Transitional Kitchen in Vancouver, WA All completed projects

Interior Remodeling Across
Lake Oswego & Clackamas County

From First Addition and Old Town to Lake Grove, Westlake, Palisades and Mountain Park — plus West Linn, Dunthorpe and Tualatin. We know which Lake Oswego interiors need permits and which don’t. Our Lake Oswego office is at 333 S State St, Lake Oswego, OR 97034 — design consultations by appointment.

Service area map — Washington and Oregon
Serden Group contractor shaking hands with a smiling couple

Your Lake Oswego
Interior Remodel
Starts Here

Request your free Lake Oswego interior remodel consultation

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Please select an option to continue.

Questions? Call (360) 836-7775

Interior Remodeling in Lake Oswego, OR —
Common Questions

In 2026 a single-room interior refresh typically costs $15,000–$40,000, opening a main floor with wall removal runs $35,000–$90,000, and multi-room renovations range from about $90,000 to $200,000. We provide a fixed written price after walking the home.
You need one for structural changes such as removing a bearing wall, and for electrical, plumbing or mechanical changes. The City of Lake Oswego issues these permits. Flooring, paint, trim and cabinet replacement are generally cosmetic.
Usually, yes. Many walls between kitchens, dining and living rooms in homes from that era are bearing, so we have an engineer size a beam — often flush in the ceiling — and include it in the permit drawings.
A single room usually takes 2–4 weeks and an opened main floor 6–10 weeks. Allow several more weeks beforehand for design, engineering and city plan review when walls move.
In most cases, yes. We phase the work room by room, seal active areas with dust barriers, and keep a clear path through the home.
Search the contractor on the Oregon Construction Contractors Board website. Serden Group LLC holds Oregon CCB #239429 and is bonded and insured.
Opening the main living area, continuous flooring, better lighting and updated kitchens and baths have the broadest appeal. Highly personal finishes add less at resale.
Homes built before 1978 may have lead paint, and some older materials such as popcorn ceilings and flooring adhesive can contain asbestos. We test before disturbing them and follow lead-safe work practices.
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