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Find Basement remodelers in Renton

Avatar for Topaz Remodeling, Inc.
Topaz Remodeling, Inc.
5.0(
108
)

Serving Renton, WA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Renovating a home can be stressful, but this team made the entire experience smooth and exciting. They truly listened to what we wanted and helped bring our vision to life. Every room feels thoughtfully designed and carefully built. The attention to small details, the clean job site, and the respectful attitude of the crew made such a difference. Walking into our "new" home for the first time after the renovation was an emotional moment. We couldn't be happier with the outcome and are so grateful we chose them. "
Kitchen Remodel
Bathroom Remodel
Kitchen Remodel
Bathroom Remodel
Kitchen Remodel

+53

Response time10 hrs
Response rate98%
143 neighbors recently requested a quote
Avatar for Skyline Builders WA INC
Skyline Builders WA INC
5.0(
59
)

Serving Renton, WA and surrounding areas

Angi Approved

In business since 2014

Free estimates

Emergency services offered

"We were so pleased with Skyline Builders. Tony, Benjamin, and the crew were respectful, professional and thorough through all the phases of our bathroom remodel. They communicated with us daily as the project was underway and always took our preferences into account. At the end of each day, they made sure that the area was cleaned and protected, and because all the materials were picked and ready, there were no missed or delayed days. All of the crew were hardworking and so skilled at their different jobs. Our bathroom turned out just the way we pictured it, and I would recommend this company any time"
Kitchen transformation
The perfect result
New Basement
The final result
Kitchen Final Result

+97

Response time4 hrs
Response rate99%
49 neighbors recently requested a quote
Gold Remodeling Inc
5.0(
107
)

Serving Renton, WA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"Gold Remodeling remodeled our basement after we had some minor water damage and decided it was time to redo everything properly. They handled the demo carefully and rebuilt the space better than it was before. What I appreciated most was how respectful the crew was. They covered floors leading down to the basement, cleaned up daily, and were always polite when we had questions. The project manager checked in regularly to make sure we were happy with the progress. Now we have a beautiful extra living area with a media room and a small workout corner. It doesn’t feel like a basement anymore — it feels like part of the home!"
My Jobs
My Jobs
My Jobs
My Jobs
My Jobs

+1

Response time2 days
3 neighbors recently requested a quote
Avatar for BB-Builders-Pro LLC
BB-Builders-Pro LLC
5.0(
37
)

Serving Renton, WA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2000

Free estimates

Credit card accepted

"Our two bathrooms were remodeled by BB Builders Pro, who worked carefully with us and went above and beyond to ensure our satisfaction. Highly recommend them for any remodeling services!"
design rendering
design rendering
design rendering
design rendering
Approved floor plan

+50

Response time9 hrs
Response rate99%
130 neighbors recently requested a quote
Avatar for Iconiq Construction, LLC
Iconiq Construction, LLC
5.0(
18
)

Serving Renton, WA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2023

Free estimates

Offers commercial services

"I am extremely satisfied with the work completed by Iconiq Construction. Their craftsmanship, communication, and efficiency were impressive. The project turned out even better than I had imagined. Highly recommend their service to everyone."
kitchen remodel
Kitchen remodel
addition project
bathroom remodel
bathroom remodel

+2

Response time1 day
Response rate94%
3 neighbors recently requested a quote
Avatar for KMT Construction
KMT Construction
5.0(
16
)

Serving Renton, WA and surrounding areas

Angi Approved

In business since 2018

Free estimates

Customers say: Quick response

"We had such a wonderful experience with KMT Company From start to finish, the team was professional, polite, and extremely hardworking. They completely transformed our kitchen and made it look beautiful — even better than we imagined! The quality of their work, attention to detail, and communication were excellent. Everything was finished on time, and they kept the space clean throughout the project. We’re so happy with the results and highly recommend them to anyone looking for kitchen remodeling. "
Handymen Project
Handymen Project
Handymen Project
Kitchen and Bath Remodeling Project
Handyman Services Project

+50

Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
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FAQs for basement remodeling projects in Renton, 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 Renton, WA homeowners’ guide to basement remodelings

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