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Older white farmhouse with a new two-story wood-framed addition built onto its side, roof sheathing on, under an overcast sky

Additions · Tumwater, WA

Home Addition Contractor in Tumwater, WA

Home Additions in Tumwater. Work directly with Greg — call, text or get a free estimate.

Tumwater, Thurston County and every town within 100 miles of Rainier

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Home Additions · Tumwater

Home Additions in Tumwater

People in Tumwater call Greg for room additions, primary suites and second-story additions. He's a licensed, bonded and insured general contractor out of Rainier, about 16 miles away, and every Tumwater job starts with a free estimate.

Out here on the South Sound prairies a lot of the work is on acreage — barns, shops, barndominiums and new homes on open ground, where the gravelly soil drains well but the wind comes across with nothing to stop it. The hard part is making the new section look and work like it was always there, inside and out.

One customer hired Greg for an addition to an existing structure: “He is a quality person to deal with and does excellent work. I would recommend him to anyone.”

Inside a wood-framed addition with open stud walls, window openings and lumber stacked on the subfloor

What's included

Home Additions we do in Tumwater

  • 01

    Room and bedroom additions

    A new bedroom, office or family room off the side or back of the house, sized and placed for how you live.

  • 02

    Primary suite additions

    A bedroom with its own bathroom and closet, often the most wanted addition in a house with one shared bath.

  • 03

    Second-story additions

    Building up instead of out when the lot is tight, with the existing walls and foundation checked for the added load.

  • 04

    Kitchen and great-room bump-outs

    Pushing out an exterior wall to give a cramped kitchen or living room the room it needs.

  • 05

    Foundation and site work

    Excavation, footings and a concrete foundation or crawlspace done in-house, with drainage planned for wet ground.

  • 06

    Matched roof, siding and windows

    The new roof ties into the old one and the siding, trim and windows match, so the addition reads as part of the house.

Thurston County, WA

Home Additions around Tumwater

Greg works all over Tumwater — near Pioneer Park, Olympic Flight Museum and Mount Molly and out by Trosper Lake — and throughout Thurston County.

Tumwater sits at Tumwater Falls on the Deschutes River, just south of Olympia along I-5. Tumwater is about 16 miles northwest of our base in Rainier, well inside our 100-mile service area.

Western Washington buildings fight water more than anything — months of rain, moss on the roof, rot wherever wood stays wet, and soils that hold moisture. A building lasts when it sits on a proper foundation with drainage around it, is wrapped and flashed right, and is built to dry out.

Ideas for your project

Home Additions: what it can look like

  • Second-story addition going up on a craftsman-style house, with scaffolding across the front and new framing on the roof

How it works

How your Tumwater addition job works

  1. 1

    Free on-site estimate

    Greg looks at the house, the lot and where an addition could go, talks through what you need, and gives you a free estimate.

  2. 2

    Design, drawings and permits

    We work out the plan, prepare the drawings and handle the permit, including setback, septic and drainage questions on rural lots.

  3. 3

    Foundation, framing and dry-in

    We dig and pour the foundation, frame the walls and roof, and get the addition roofed and wrapped before the weather turns.

  4. 4

    Tie-in, finish and walkthrough

    We open into the existing house, finish the inside to match, clean up, and walk the new space with you.

Customer reviews

What customers say about Greg

  • “He is a quality person to deal with and does excellent work. I would recommend him to anyone.”

    Don B.

    An addition to an existing structure · HomeAdvisor review

  • “He is a man of integrity. He does what he says and says what a does.”

    Tom W.

    A project with Greg · HomeAdvisor review

  • “He does good work.”

    Bill

    A project with Greg · HomeAdvisor review

Questions

Home Additions in Tumwater: FAQs

Do you do home additions in Tumwater, WA?

Yes. Tumwater is about 16 miles northwest of our base in Rainier, well inside our 100-mile service area. Greg handles room additions, primary suites and second-story additions there, and the estimate is free.

Do I need a permit for home additions in Tumwater?

It depends on the project. When one is needed, Greg pulls the permit from the City of Tumwater's building department and builds to whatever the permit and inspection require.

Does Western Washington weather or soil affect an addition?

Both do. Clay and glacial till soils drain poorly and high water tables are common, so footing drains and grading away from the house matter. The rainy season also shapes the schedule, so we aim to get the frame roofed and wrapped quickly to keep the inside dry.

Is it better to build up or out?

Building out is usually simpler when you have the yard, and the rest of the house stays livable during the work. Building up makes sense on a tight lot or when you want to keep the yard, but the existing foundation and walls have to be checked for the extra weight. Greg will look at both options at the estimate.

Do I need a permit for an addition?

Yes. Every addition needs a building permit, and rural lots can also bring setback, critical-area and septic capacity questions when you add a bedroom. Greg handles the permit and inspections with your county or city.

Will the addition match my house?

That is the goal on every addition. We match the roof pitch, siding, trim and windows where those materials are still available, and choose something that complements the house where they are not.

More in Tumwater

Other services in Tumwater

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