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Find Basement remodelers in Tumwater

Avatar for Topaz Remodeling, Inc.
Topaz Remodeling, Inc.
5.0(
141
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I recently had my bathroom remodeled and I cannot express how satisfied I am with the results. The whole process was truly a breeze from start to finish, thanks to the exceptional team of professionals that I worked with. Thank you Topaz Remodeling Inc. you did an amazing job!"
Kitchen Remodel
Bathroom Remodel
Kitchen Remodel
Bathroom Remodel
Kitchen Remodel

+63

Response time10 hrs
Response rate100%
286 neighbors recently requested a quote
Avatar for Harmon & Harmon Consulting, Inc.
Harmon & Harmon Consulting, Inc.
4.5(
58
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Had them rip out the fireplace that was installed poorly in 1990. A bit costly, but I doubt a single handyman could have done it in a timely fashion. Done in 3 days start to finish. I was expecting some water damage, but it was much worse. Getting a exact price for the work out of them beforehand was impossible. Ultimately it cost $2500 extra do to having to replace more sections of the roof and support beans. They didn't pull a fast one, the wood crumbled when touched. Labor isn't cheap. Would hire them again because the work is solid."
Full bathroom remodel, tile floor
Tile Work
Kitchen backsplash
Tile Shower with Glass Door
Belly band with a Niche

+59

Response time1 day
Response rate85%
52 neighbors recently requested a quote
Avatar for KOI Diversified Capital, LLC
KOI Diversified Capital, LLC
4.8(
23
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

With over 30 years of experience, the team at KOI Build Co. has set the standard for high-end residential remodeling across Tacoma, Olympia, and the South Puget Sound. We combine decades of structural expertise with modern design principles to build amazing decks and patio covers, custom ADUs, chef’s kitchens, spa-like bathrooms, and full-scale home additions that elevate both your lifestyle and property value.\n\nThe KOI Standard:\n\nSingle-Source Accountability: From initial blueprints and city permits through construction and final cleanup, one master team handles it all.\nDecades of Proven Expertise: 30+ years navigating local South Sound building codes, permitting, and custom craftsmanship.\nNo Financial Surprises: Precise, upfront pricing with dependable project timelines.\nLicensed, Bonded, & Insured (WA).\n\n\nElevate your living space with a builder you can trust implicitly. Reach out today for your free consultation and written proposal.

Puyallup Remodel
Puyallup Remodel
Puyallup Remodel
Gate
Completed fence

+164

Recommended by47%of homeowners
Avatar for NW TOPNOTCH REMODEL LLC
NW TOPNOTCH REMODEL LLC
5.0(
15
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"We had a wonderful experience with NW Topnotch painting! They are not only very professional, but will also go above and beyond for their clientes. They are very detailed and dedicated when it comes to their job and I will definitely be using them in the future!"
Paint
Remodel
Exterior Repaint
Repaint
Kitchen Flooring

+95

Response time8 hrs
Response rate88%
1 neighbors recently requested a quote
Avatar for KOI BUILD CO
KOI BUILD CO
4.8(
19
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Awesome customer service relating to design, demo, and total reconstruction of our kitchen. We love our newly designed kitchen and highly recommend Koi Construction and their team."
Puyallup Remodel
Puyallup Remodel
Puyallup Remodel
Puyallup Remodel
Family Room

+164

Response time1 day
94 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Coussens Custom Construction
Coussens Custom Construction
5.0(
7
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Overall results were great. Extremely happy with the end results of the project. Stairs demo, landing flooring replacement, guest bath complete remodel. Andy is very meticulous about how things come out, which reflects the pride he takes in his work. Would definitely recommend."
Converted storage shed
Completed stairwell refinishing
Before
Before
Converted Storage shed

+13

Response time7 hrs
Response rate100%
Recommended by71%of homeowners
Avatar for Opportunity Construction LLC
Opportunity Construction LLC
4.7(
20
)
Basement - Remodel

Serving Tumwater, WA and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

"Kitchen remodel went really well. We love the results. The positive things beside quality of work were: ease of communication, willingness to re-adjust and , of course, the final result. Work was done in the time it was promised, no delays."
26 neighbors recently requested a quote
Recommended by78%of homeowners
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Showing 1-10 of 173
FAQs for basement remodeling projects in Tumwater, WA

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Tumwater, WA homeowners’ guide to basement remodelings

From average costs to expert advice, get all the answers you need to get your job done.