Home Remodeling on Mercer Island, WA

Whole-home remodeling and additions on Mercer Island, WA — from the North End and Mercerdale to First Hill, East Seattle, and the South End. Blue Lake handles demolition, design, structural work, kitchens, baths, and finishes under one fixed-price contract with a single project manager, so mid-century ramblers, lake-view homes, and dated interiors become bright, modern spaces on schedule.

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Check Out Some of Our Latest Work.

In the gallery, are some of the projects we have done for clients in the various service areas we offer.

Modern office meeting room with concrete table, chairs, shelves with books, and industrial style decor.

Long wooden fence with metal posts along a sidewalk and grass in a residential area.

Modern garage with a pool table, bike on wall, and a Tesla parked outside glass garage door.

Modern basement with wood floors, two patterned chairs, a white sectional sofa, and a gray patterned rug.

Black metal fence separating grassy area with trees from a yard with shrubs and a house in the background.

Open kitchen and living area with laminate wood flooring, white cabinets, and stainless steel appliances.

Modern outdoor patio with wooden furniture, cushions, potted plants, and a hot tub beside a white house.

Three white-framed sash windows looking out to a sunlit backyard with a wooden fence and house beyond.

Modern small house with white and wood-paneled exterior, tall windows, and black door in a garden setting.

Empty wooden deck with railing surrounded by green pine trees in sunny outdoor setting.

Glass sunroom attached to white house under construction with ladder and tools on ground.

Side view of a gray house with white trim, windows, and bushes along the foundation on a sunny day.

Wet stone patio with stairs leading to a wooden deck and green lawn with bushes in the background.

Covered patio with brown cushioned chairs, a fireplace, ceiling fan, and a swimming pool in the background.

Wooden frame structure being built in front of a large two-story house with gray siding and white trim.

Glass sunroom attached to brick house with wicker furniture and ceiling fans, surrounded by greenery.

Back patio with wooden deck and pergola attached to beige house under clear blue sky.

Modern kitchen with white upper cabinets, green lower cabinets, stainless steel appliances, and wood flooring.

Modern kitchen with white cabinets, marble island, stainless steel appliances, and hexagon tile backsplash.

Shower with blue and gold marble tiles, hexagonal floor tiles, built-in shelf with bottles, and bronze showerhead.

Small bathroom with marble floor, black vanity, lit mirror, toilet, and bathtub with floral shower curtain.

Worker on ladder painting upper part of house beige while lower part is brown under blue sky.

A person sweeping a two-level wooden deck outside a gray house with white trim windows.

Corner bathtub with gray tiles, silver faucet, soap dish, and large windows showing autumn trees outside.

Modern glass shower with marble tile walls and hexagonal floor tiles, built-in seat, and silver fixtures.

White right arrow on teal circular background, indicating forward or next action.

Why Choose Blue Lake?

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Local Family-Owned Expertise in Washington State

We, a locally family-owned and operated renovation company in Washington state, bring a wealth of experience. We've successfully completed thousands of construction projects. When you choose us, you're not only selecting a team; you're partnering with experts who understand the local scene, offering top-notch service with a straightforward and reliable approach.

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Collaborative Design Precision

We collaborate closely with architects and designers in the initial stages, ensuring a workable concept within budget before committing to the developed design. This collaborative approach not only saves time but also minimizes re-design costs. Our builders are prepared to tackle any task, motivated to surpass your expectations.

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Innovative Communication and Transparency

To enhance communication and transparency, we've developed a construction project management app. This tool provides instant updates for all parties involved, giving you a hands-on experience with the build of your home. This commitment to efficient collaboration and technological innovation sets us apart, ensuring a seamless and satisfying construction experience for our clients.

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Stress-Free Build Experience

You will have one point of contact who manages all aspects of your project from planning to completion. Their goal is to create an exciting and stress-free experience by understanding your requirements, delivering a quality service through clear communication to you and the trades, and then project managing the build.

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Fixed Price and Project Duration Assurance

We provide you with a detailed scope of work with a fixed price and a fixed duration. We deliver on time and on budget.

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Total Peace of Mind

We take care of everything from the moment we meet you until we deliver a finished and professionally cleaned beautiful home, all with great attention to customer satisfaction.

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Unified and Skilled Teamwork

Our team includes builders, handymen, plumbers, electricians, painters, carpet installers, kitchen makers, landscape experts, and professional cleaners. All working together and communicating on one platform.

Two-story house with a beige garage door, stone accents, lawn, and wooden fence under a blue sky.

Not sure how to start? Get a free consultation.

One of our experts will get back to you as soon as possible.

(206) 786-5988

Home Remodel Questions, Answered

How much does a whole-home remodel cost on Mercer Island?

Most whole-home remodels on Mercer Island run $100–$250 per square foot depending on scope and finishes — typically $200,000–$600,000 for a full interior update. Remodeling a waterfront or view home on the North End or South End with structural changes lands at the higher end. You get a fixed, itemized price before we start.

How long does a full home remodel take?

Plan on 3–6 months of construction for a whole-home interior remodel, plus 1–2 months up front for design, selections, and permits. Additions and structural work can extend that to 6–9 months. We give you a written schedule before demo day.

Do I need permits for a home remodel on Mercer Island?

Yes — the City of Mercer Island's Community Planning & Development department requires permits for structural, electrical, plumbing, and most layout changes. Blue Lake prepares the drawings, pulls the permits, and schedules every inspection, so the paperwork never lands on you.

Is it worth remodeling an older Mercer Island home?

Usually, yes. Mercer Island's 1960s–80s homes in Mercerdale, East Seattle, and the South End sit on an island where buildable lots are scarce, and a whole-home remodel typically costs far less than moving within the Island. Updated kitchens, bathrooms, and open layouts also return much of their cost in home value.

Serving Mercer Island, Bellevue, Seattle, Renton, and communities across King County. Licensed Washington general contractor #BLUELLC760C3.

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