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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

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I hired Topaz Remodeling to replace my front porch, including tearing out the damaged surface, installing a proper drain (the original builder’s oversight caused major leaks), and repairing the resulting damage to the floor, hardwood, and basement. The owner’s communication was excellent, keeping me informed about schedules and progress. They even finished ahead of the estimated timeline. Omar, the project lead, was phenomenal. His recommendations elevated the final result, and his attention to detail was unmatched. The tilework is flawless, with precise measurements ensuring a polished look. The team delivered exceptional quality, turning a stressful situation into a seamless process. My new porch is beautiful and fully functional. I highly recommend Topaz Remodeling and will gladly use them again for future projects."
Kitchen Remodel
Bathroom Remodel
Kitchen Remodel
Bathroom Remodel
Kitchen Remodel

+53

Response time10 hrs
Response rate98%
219 neighbors recently requested a quote
Avatar for Be Home Remodeling
Be Home Remodeling
4.3(
13
)

Serving Renton, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Renovations have never appealed to me, but this team made it easy. In addition to being gorgeous, my new kitchen is also practical. Their communication and attention to detail were excellent."
Response time9 hrs
Response rate99%
580 neighbors recently requested a quote
Avatar for ANYVISION HOME REMODELING INC
ANYVISION HOME REMODELING INC
5.0(
68
)

Serving Renton, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I was equally satisfied for the 2nd time working with ANYVISION Home Remodeling. They remodeled my master bathroom 7 months ago and just completed my new roof. Chase, again, followed through with everything he promised. The high quality materials, expert workmanship, minimal disruption and protection of property were exceptional. Both times, they completed the project ahead of schedule. I recommend ANYVISION Home Remodeling with confidence!"
My jobs
My jobs
My jobs
My jobs
My jobs

+72

Response time3 hrs
Response rate100%
49 neighbors recently requested a quote
Gold Remodeling Inc
5.0(
137
)

Serving Renton, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"We chose Gold Remodeling after talking to a few contractors, and I?m glad we did. They seemed more organized and realistic from the start. The basement remodel stayed close to the original timeline and budget, which doesn?t always happen. The crew worked hard and didn?t cut corners. It?s not perfect, but it feels well done and worth the investment."
My Jobs
My Jobs
My Jobs
My Jobs
My Jobs

+1

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

Serving Renton, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Credit card accepted

"We couldn't be happier with our basement remodel! The team was professional, detail oriented and kept us updated throughout the process. BB Builders Pro exceeded our expectations with their quality work. Highly recommend them for any home improvement project!"
design rendering
design rendering
design rendering
design rendering
Approved floor plan

+50

Response time9 hrs
Response rate99%
153 neighbors recently requested a quote
Avatar for Puget Sound Builders & Renovation
Puget Sound Builders & Renovation
5.0(
1
)

Serving Renton, WA and surrounding areas

Approved

In business since 2006

Credit card accepted

Customers say: Quick response

"Puget Sound Builders & Renovation did an excellent job on our basement remodeling. The work was completed with great attention to detail and top-quality craftsmanship. A special thanks to the Marry, who was professional, skilled, and very helpful throughout the process. The final result exceeded our expectations?highly recommended! "
Bathroom Renovation
Basement Remodel
Bathroom Renovation
Basement Remodel
Kitchen Remodeling

+23

79 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Renovate Design/Build
Renovate Design/Build
5.0(
21
)

Serving Renton, WA and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"Renovate Construction did a wonderful job with our master bathroom remodel. They quoted a fair price and stuck to it. RD and his crew showed up on time daily and were always professional and trustworthy. I would highly recommend them and will be hiring them again for future projects."
Madrona Basement Remodel - garage
Madrona Basement Remodel
Madrona Basement Remodel
Madrona Basement Remodel - stairs
Madrona Basement Remodel - bathroom

+74

Response time2 days
4 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Lopez Bros Construction
Lopez Bros Construction
5.0(
9
)

Serving Renton, WA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Highly recommend Lopez Bros Construction for any remodeling and major home repairs. We completed major home repair and remodeling, including bathroom shower repair and remodeling, Kitchen and Living Room ceiling/internal skylight enhancements, Interior and Deck Painting, and Basement Remodeling. Ray has been always going above and beyond in delivering the results. He will make sure the details and end results are perfect. His team's integrity is unquestionable, responsiveness and quality are top notch. Given the multiple projects he's dealing with, his crew still manage to get the repairs and remodeling done on time, as promised. I would hire Lopez Bros Construction again for my next project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time3 days
9 neighbors recently requested a quote
Recommended by100%of homeowners
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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.