Pierce · King · Thurston Counties

MORE HOME additions and ADUs, done right

More square footage done right, room additions, second stories, and accessory dwelling units engineered, permitted, and built to match the home you already love. Fully managed by DA Interior Solutions: design guidance, permits, trades, and a walkthrough we never rush.

Start Your Project Call (253) 312-6024

12 yrs

Experience

200+

Projects

5.0 ★

Rating

Free

In-home estimates

Walk-in shower

Frameless glass · hex mosaic field · linear drain

WA Reg · Bonded · Insured

DAINTIS775JL

Capabilities

What we handle

Every remodel is scoped to your home, your written estimate lists exactly what's included. A sample of what we cover:

▸Room additions and bump-outs: primary suites, family rooms, home offices, and kitchens

▸Accessory dwelling units (ADUs): attached, detached, and garage conversions for rental income or multigenerational living

▸Second-story additions and structural reconfiguration

▸Foundation, framing, roofing, and exterior tie-ins matched to the existing home

▸Full mechanical scope: electrical, plumbing, and HVAC extended to the new space

▸Design, engineering, and permitting handled for you

▸Finishes matched to the existing home so the addition never looks bolted on

▸Built to current code and energy requirements

Additions and ADUs typically run two to four months depending on size, foundation work, and permitting timelines, which we manage and keep you ahead of.

Q & A

Questions, answered straight

Is an ADU worth it for rental income?

Often, yes, especially in our market, where demand for rentals and multigenerational space is high. We give you a realistic build cost and timeline so you can run the numbers, and we handle the permitting that makes an ADU legal to rent.

Will the addition match my existing home?

That is the whole point. We match rooflines, siding, trim, and finishes so the addition reads as part of the original home, not an obvious add-on. Done right, you cannot tell where the old house ends and the new space begins.

Do you handle the engineering and permits?

Yes. Additions involve structural engineering and a fuller permit set than a remodel, and we manage all of it, design, engineering, plan submittal, and inspections, so you are not chasing architects and the city yourself.

How a Project Runs

One point of contact, start to sign-off

01Site Visit

Walk the space, take the measurements

We come to your home, measure everything, and listen more than we talk. You get a detailed written estimate, line by line, free, no pressure.

02Selections & Sequencing

Materials, permits, schedule

Finishes chosen with our guidance, permits pulled by us, trades booked in order. Nothing gets demoed until everything that follows is sequenced.

03Build & Walkthrough

Dust barriers up, schedule kept

Our crew builds, inspections pass, and we end the way it should: walking the finished space together, punch list in hand. It isn't done until you love it.

Field Reports

What clients say when the dust settles

★★★★★

DA Interior Solutions handled our kitchen remodel start to finish, they even created a custom pantry for me. They brought my Pinterest board vision to life. Adam and Devon were great to work with. If you're remodeling in the South Sound, these are the guys to call.

Taylor Clontz · Google Review · Jul 2026

★★★★★

DA Interiors exceeded our expectations PERIOD. Don't let their youthful appearance fool you, they are hardworking, diligent, honest, skilled and respectful. Our three bathrooms were demolished and transformed into a beautiful work of art.

Mark Ito · Google Review · Jul 2026

★★★★★

DA Interior Solutions redesigned two bathrooms for us and completed a kitchen remodel. We couldn't be happier with the results. They were a pleasure to work with, often going above and beyond expectations. On budget and on time, we would love to work with them again on any future projects.

Julie Cunningham · Google Review · Jul 2026

Read more reviews →See them on Google →

MORE HOME additions and ADUs, done right

What we handle

Recent addition work

Questions, answered straight

Is an ADU worth it for rental income?

Will the addition match my existing home?

Do you handle the engineering and permits?

Home Additions and ADUs across 17 South Sound cities

One point of contact, start to sign-off

Walk the space, take the measurements

Materials, permits, schedule

Dust barriers up, schedule kept

What clients say when the dust settles

Ready to start your home additions?