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Redmond-based design-build

Remodeling and residential construction in Mercer Island, WA

Mercer Island work should balance interior improvements with the constraints of the specific island property. Establish the review pathway, access, and any shoreline or slope questions before a design depends on expanding into a particular part of the lot.

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WA Reg. RTSGNSH754QK · Serving Mercer Island from Redmond

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Plan your Mercer Island project.

Whole-home remodeling in Mercer Island

This service is designed for homeowners changing several rooms, reorganizing the floor plan, modernizing major systems, or preparing a home for its next chapter.

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Kitchen remodeling in Mercer Island

A strong fit includes full kitchen renovations, layout changes, cabinet replacement, island redesign, and projects that require several trades to work in a precise sequence.

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Bathroom remodeling in Mercer Island

The service covers complete primary and guest bathroom renovations, layout changes, accessibility improvements, and replacement of outdated or failing assemblies.

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Home addition contractor in Mercer Island

This service is for homeowners adding bedrooms, living areas, offices, expanded kitchens, primary suites, or other conditioned space.

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ADU builder in Mercer Island

The service covers detached and attached ADUs, qualifying garage conversions, and compact living spaces intended for family, guests, work, or rental use.

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Custom home builder in Mercer Island

This service is intended for homeowners pursuing a ground-up residence with site-specific design, coordinated selections, and professional project delivery.

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Exterior remodeling in Mercer Island

This combined launch service covers coordinated exterior upgrades, including roofing, siding, deck construction, and the junctions between them.

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Flooring installation in Mercer Island

The launch service covers flooring replacement, new installation, and qualifying refinishing work across hardwood, LVP, laminate, and tile.

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Interior painting in Mercer Island

The service covers residential walls, ceilings, trim, doors, and qualifying cabinet-painting scopes as standalone work or part of a larger renovation.

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Exterior painting in Mercer Island

The service covers residential exterior painting and qualifying staining for siding, trim, doors, and related architectural elements.

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Real RT projects

See the work behind the planning.

Completed RT Signature Homes projects, labeled with their actual city and scope.

Finished Redmond whole-home remodel showing connected kitchen and living space

Redmond · Completed remodel

Redmond Whole-Home Remodel

This Redmond whole-home remodel brings kitchen, living areas, bathrooms, storage, flooring, lighting, and finish details together as one coordinated result.

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Finished Woodinville deck remodel with composite decking, cable railings, and covered outdoor living

Woodinville · Completed remodel

Woodinville Deck Remodel

This Woodinville deck remodel delivers a finished outdoor living space with composite decking, railings, stairs, and a covered structure coordinated with the home and yard.

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Property-first planning

What to check before renovating in Mercer Island

Existing rooms and systems

In a Mercer Island home where windows and views shape room use, compare furniture, cabinetry, and task lighting with the existing openings. Keep the useful daylight and walking routes while addressing storage and practical work surfaces.

Parcel and jurisdiction

If a Mercer Island parcel is near a shoreline or has a steep portion, obtain the applicable site information before placing an addition or secondary dwelling. Different sections of the same property may need different treatment.

Access and staging

For a constrained island driveway, establish truck access, material staging, and household parking before mobilization. Confirm that large items can reach the final room rather than relying only on their fit through the front door.

Exterior condition

Where a Mercer Island exterior meets a terrace, balcony, or view-facing window wall, review the connection and drainage details before finishes. Coordinate repairs to the underlying assembly with the new appearance.

Official local resources

Check the requirements for your property.

Start with City of Mercer Island. Requirements depend on the parcel and scope; confirm the current pathway before relying on a permit assumption.

Mercer Island planning and permit resources

Local project questions

Working with RT in Mercer Island

How does RT plan a Mercer Island project?

RT serves Mercer Island from its Redmond base. The team reviews your property, priorities, scope, and timing before arranging the next assessment or planning conversation.

How do we confirm project availability?

Share the property address or ZIP code, service, scope, investment expectations, and timing. RT evaluates the project against current capacity and the delivery needs of the property.

What should we check before a Mercer Island addition or ADU?

If a Mercer Island parcel is near a shoreline or has a steep portion, obtain the applicable site information before placing an addition or secondary dwelling. Different sections of the same property may need different treatment.

Start a practical conversation

Tell us about your Mercer Island home.

Share the address, desired changes, investment range, and timing. We will help identify the assessment and planning steps.