Basement Remodeling in Kennydale, WA

Turn Your Basement Into Livable Space

Licensed contractor transforming unused basements into valuable family rooms, home offices, and entertainment spaces throughout Kennydale.

Hear from Our Customers

Finished Basement Contractors Kennydale

What Your Finished Basement Actually Gets You

You get back hundreds of square feet that were just sitting there collecting dust and maybe some old holiday decorations. That’s space you can actually use – whether it’s a family room where the kids can be loud, a home office where you can take calls without interruption, or a guest suite that doesn’t involve anyone sleeping on the couch.

The numbers work too. A properly finished basement typically adds 70% of the project cost back to your home’s value. In Kennydale’s market, that’s real money.

But here’s what really matters – you get space that feels like it belongs in your house. Not some cave-like afterthought with exposed ceiling joists and concrete walls, but actual living space with proper lighting, temperature control, and finishes that look intentional.

Kennydale Basement Renovation Experts

We Finish What We Start

Sea Renovation has been handling basement remodeling projects throughout the Seattle area since 2023. We’re licensed, bonded, and insured because that’s not optional when you’re working in someone’s home.

Our focus is straightforward – quality work that we stand behind with solid warranties. We’re not the biggest remodeling company in the area, but we show up when we say we will and we finish projects instead of disappearing halfway through.

Military and first responders get discounts because that matters to us. Call for details on what we can do for your basement project.

Basement Finishing Process Kennydale

Here's How Your Basement Gets Transformed

First, we assess what you’re working with – the existing structure, moisture situation, electrical, and what you want the space to become. Every basement is different, especially in the Pacific Northwest where moisture control isn’t optional.

Next comes the structural work – framing, electrical, plumbing if needed, and insulation. This is where proper technique matters because shortcuts here cause problems later. We handle permits and inspections so you don’t have to figure out what the city requires.

Then we move to the finish work – drywall, flooring, trim, and whatever specific features your space needs. The goal is making it feel like upstairs living space, not a dressed-up basement. When we’re done, you have functional square footage that your family will actually want to spend time in.

Ready to get started?

Explore More Services

About Sea Renovation Inc

Get a Free Consultation

Complete Basement Remodeling Services

What's Included In Your Basement Project

You get everything needed to turn raw basement space into finished living area. That includes moisture barrier installation, proper insulation, electrical work for adequate lighting and outlets, and HVAC considerations so the space stays comfortable year-round.

Flooring options depend on your budget and how you plan to use the space – luxury vinyl plank, engineered hardwood, or carpet over proper subflooring. We handle the framing, drywall, painting, and trim work that makes it look finished rather than industrial.

The Pacific Northwest climate means we pay extra attention to moisture control and ventilation. Your basement needs to stay dry and comfortable, not turn into a mold problem waiting to happen. We know what works in this area and what doesn’t.

How much does basement remodeling cost in Kennydale?

Basement remodeling typically runs $25,000 to $75,000 depending on square footage, finishes, and complexity. A basic family room with carpet and standard finishes costs less than a full suite with bathroom and kitchenette. The biggest variables are flooring choice, electrical needs, and whether plumbing gets added. We provide detailed estimates after seeing your space because every basement is different. Financing options are available, and military/first responder discounts apply.

How long does basement finishing take to complete?

Most basement remodeling projects take 4-8 weeks from start to finish. Simpler family room conversions can be done in 3-4 weeks, while complex projects with bathrooms or multiple rooms take longer. Weather affects concrete curing and material delivery, especially during Seattle’s rainy season. We provide realistic timelines upfront and keep you updated on progress. The key is proper planning and having materials ready before we start framing.

Will my basement stay dry after remodeling?

Moisture control is critical in basement remodeling, especially in the Pacific Northwest. We install proper vapor barriers, use moisture-resistant materials, and ensure adequate ventilation. Any existing moisture issues get addressed before finishing work begins. We don’t just cover up problems – we fix them. This includes checking foundation drainage, sealing cracks, and installing dehumidification if needed. A properly finished basement should stay as dry as your upstairs living areas.

Do I need permits for basement remodeling in Kennydale?

Yes, most basement finishing requires permits, especially for electrical, plumbing, and structural changes. We handle the permit process and inspections so you don’t have to figure out city requirements. This protects you when selling your home and ensures work meets safety codes. Unpermitted work can cause problems during home sales and insurance claims. The permit cost is typically $500-2000 depending on project scope, and it’s worth doing it right the first time.

What flooring works best in finished basements?

Luxury vinyl plank is the most popular choice because it’s waterproof, comfortable underfoot, and looks like hardwood. Engineered hardwood works if moisture is properly controlled. Carpet is fine over proper subflooring but avoid it in areas prone to moisture. Concrete staining or polishing works for modern looks. We don’t recommend laminate in basements because it doesn’t handle moisture well. The key is proper subfloor preparation and moisture barriers regardless of finish flooring choice.

Can you add a bathroom to my basement remodel?

Yes, we can add bathrooms during basement remodeling, but it requires additional plumbing and electrical work. The main considerations are connecting to existing sewer lines and ensuring proper ventilation. Basement bathrooms typically add $8,000-15,000 to project cost depending on finishes and complexity. We handle all plumbing permits and inspections. Adding a bathroom significantly increases your basement’s functionality and your home’s value, especially if you’re creating a guest suite or rental space.

Local Resources

Kennydale, WA is located in King County in Washington State