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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon12
    Verified basement remodels reviews

Top-Rated Basement remodelers in Olympia - Updated Nov 2026

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

Serving Olympia, 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%
274 neighbors recently requested a quote
Avatar for Harmon & Harmon Consulting, Inc.
Harmon & Harmon Consulting, Inc.
4.5(
58
)
Basement - Remodel

Serving Olympia, WA and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Harmon & Harmon is our go to contractor. Dennis Harmon is ALWAYS responsive and happy to get the job done. When no other foundation contractor would take the job, H&H gladly accepted and knock it out with stellar work. Highly recommended! What was originally a foundation job turned into hiring them for other facets of our remodel. We now have a lasting relationship and several more jobs for them to do."
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%
50 neighbors recently requested a quote
Avatar for Volcano Builders, Inc.
Volcano Builders, Inc.
5.0(
39
)
Basement - Remodel

Serving Olympia, WA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"Volcano Builders transformed our dark, underutilized basement into a cozy, functional hangout space with a wet bar. From framing to lighting and flooring, everything was handled professionally. Bar checked in weekly, communicated promptly, and made thoughtful suggestions for built-ins and finishes. The result is a warm, welcoming lower level with smooth walls, quality cabinets, and soft LED lighting?ideal for family nights. They cleaned up each day and finished on schedule. Truly exceeded expectations."
Modern Bathroom Remodel
Response time1 day
Response rate98%
Avatar for KOI BUILD CO
KOI BUILD CO
4.8(
27
)
Basement - Remodel

Serving Olympia, WA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"We made the right choice for us. Sound work - attention to detail. The crew that built the deck were experts. We had Composite Decking installed. The workers were friendly and professional. If a situation came up regarding the deck the workers promptly consulted us. We are happy with the results. The deck is beautiful. Thanks KOI!"
Puyallup Remodel
Puyallup Remodel
Puyallup Remodel
Gate
Completed fence

+178

7 neighbors recently requested a quote
Recommended by39%of homeowners
Avatar for KOI BUILD CO
KOI BUILD CO
4.8(
20
)
Basement - Remodel

Serving Olympia, WA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"The whole experience was excellent. Chris when to give us a bid. He was very knowledgeable. He told use about the triangle of stove, fridge and sink and flow. He suggested a long narrow window to replace the tile backsplash on an outside wall. It was a great idea. When sit at the new bar between the kitchen and the living room we look out into our backyard. Itâ s beautiful. The guys that did the work are extremely work oriented. They are constantly working. They were thorough, knowledgeable and open to our suggestions and requests. We wanted an additional can light no problem. They were great. They cleaned up every day before they left. They would tell use when they were going to arrive and what they planned to accomplish that day. I have old siding on the outside of my house. They matched it perfectly when eliminated a window. The price of the cabinets was a lot more reasonable the other bids and theyâ re beautiful. What I mentally pictured in my mind on how it would look and the ease of preparing meals in the new kitchen were so wrong. Itâ s at least 10 times better. It still has the same physical dimensions but how itâ s played out. It seems so much bigger. I highly recommend them for any project you need done"
Puyallup Remodel
Puyallup Remodel
Puyallup Remodel
Puyallup Remodel
Family Room

+164

Response time1 day
64 neighbors recently requested a quote
Recommended by56%of homeowners
Avatar for Coussens Custom Construction
Coussens Custom Construction
5.0(
7
)
Basement - Remodel

Serving Olympia, 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 Lakeview Contractors, Inc
Lakeview Contractors, Inc
5.0(
12
)
Basement - Remodel

Serving Olympia, WA and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Credit card accepted

"Everyone was very professional and friendly. They got the work done quickly, but still paid attention to detail to make sure the work was done right. We would hire them again and trust them to be in our home."
livingroom
Bathroom
kitchen
Response time2 days
Response rate89%
3 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

Yes, you can add a door to your basement—it might even be required, depending on building codes in your area and whether or not you’re using the basement as a bedroom. A basement contractor can give you some advice on installation and help you add a door to your basement.

Key trends include home gyms, theatre rooms, additional rooms (bedroom/office), and more, with personalized styles reflecting individual preferences.

Physically, the most challenging part of finishing a basement is installing egress windows or doors when the space is below ground level. Mentally, the hardest part may be envisioning the project and planning around load-bearing and mechanical obstacles.

The best type of basement ventilation system depends on your budget, the moisture in your basement’s air, and the types of windows you have down there. You should consider all of these factors when choosing a ventilation system. However, the most effective method for basement ventilation is an energy recovery ventilator (ERV) or a whole-house ventilation system, which preheats or precools incoming air from the outside while also managing water vapor.

Anything having to do with the structure of your home, such as raising the ceiling, is usually the most expensive part of finishing a basement. Another project component that could be a surprisingly high expense is adding an exterior entrance. 

The cost of a walkout basement can be anywhere from $5,000 to $35,000.

The Olympia, WA homeowners’ guide to basement remodels

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