Basement Remodeling in 136th Ave, WA

Turn Your Basement Into Livable Space

Professional basement finishing that adds real value to your home and gives you the extra space you actually need.

Hear from Our Customers

Professional Basement Renovation Services

More Space, More Value, More Living

Your basement doesn’t have to stay that cold, unused space where you store holiday decorations. You can turn it into the family room you’ve always wanted, a home office that actually feels professional, or even a rental unit that pays for itself.

The right basement renovation adds serious square footage to your home without the cost of an addition. You’re looking at increased property value, more functional living space, and finally using that area you’re already paying to heat and cool.

When it’s done right, your finished basement becomes the space everyone gravitates toward. Proper moisture control means no musty smells or mold concerns. Quality flooring options give you something that looks good and stands up to Seattle’s climate. And professional finishing work means everything from lighting to insulation actually works the way it should.

Licensed Basement Contractors Near You

We Show Up and Finish Jobs

Sea Renovation has been serving the Seattle area since 2023, focusing on bathrooms, kitchens, decking, and basement remodeling. We’re licensed, bonded, and insured because that’s what responsible contractors do.

You won’t get the runaround from us. We provide solid warranties on our work and we’re committed to being liable for what we build. While other companies might disappear when problems arise, we stick around to make things right.

We offer military and first responder discounts because we believe in supporting the people who serve our community. Our focus is on quality craftsmanship and delivering results that last, not just winning the lowest bid.

Basement Finishing Process Explained

Straightforward Process, Professional Results

First, we assess your basement’s current condition and discuss what you want to achieve. This includes checking for moisture issues, evaluating structural elements, and understanding your vision for the space.

Next, we handle permits and planning. Basement renovations often require permits, especially for electrical and plumbing work. We take care of this paperwork so you don’t have to navigate city requirements yourself.

Then we start with the infrastructure – addressing any moisture concerns, upgrading electrical and plumbing as needed, and installing proper insulation. This foundation work determines how well your finished basement performs long-term.

Finally, we complete the finishing work including flooring, walls, lighting, and any built-in features you’ve requested. Throughout the process, we keep you informed about progress and timeline so there are no surprises about when your space will be ready.

Ready to get started?

Explore More Services

About Sea Renovation Inc

Get a Free Consultation

Complete Basement Remodeling Solutions

Everything Needed for Finished Basements

Our basement remodeling service covers everything from moisture control to final paint. We handle structural modifications, electrical upgrades, plumbing installation, and HVAC considerations that make your basement comfortable year-round.

Flooring options include luxury vinyl plank, engineered hardwood, and carpet tiles – all chosen specifically for basement environments where moisture resistance matters. We don’t install materials that will fail in a few years because of humidity or minor water intrusion.

Seattle’s climate presents specific challenges for basement finishing. We understand local building codes, soil conditions, and weather patterns that affect basement projects. This local knowledge helps us recommend solutions that work in our area, not just anywhere.

How long does a typical basement remodeling project take to complete?

Most basement remodeling projects take 3-6 weeks depending on the scope of work. A basic finishing job with flooring, walls, and lighting usually falls on the shorter end. More complex projects involving bathroom addition, extensive electrical work, or structural modifications take longer. We provide a realistic timeline during planning and keep you updated if anything changes. Weather can affect timeline if we need to address exterior moisture issues, but interior work continues regardless of Seattle’s rain.

What basement flooring options work best in Seattle's climate?

Luxury vinyl plank and engineered hardwood perform best in Seattle basements because they handle moisture better than traditional hardwood or carpet. Vinyl plank is completely waterproof and looks great, while engineered hardwood gives you real wood appearance with better moisture resistance than solid hardwood. We avoid carpet in areas prone to moisture and laminate flooring that can swell if water gets underneath. The key is choosing materials that won’t be ruined by minor water intrusion or humidity changes.

Do I need permits for basement remodeling in the Seattle area?

Yes, most basement finishing projects require permits, especially if you’re adding electrical outlets, lighting, or plumbing. Even basic finishing work often needs permits to ensure proper egress windows and ceiling height compliance. We handle permit applications and inspections as part of our service because navigating city requirements can be confusing for homeowners. Skipping permits might save money upfront but creates problems when you sell your home or need insurance claims processed.

How do you handle moisture and waterproofing in basement renovations?

We start every basement project by assessing existing moisture conditions and addressing any problems before finishing work begins. This might include improving drainage around your foundation, sealing walls, or installing vapor barriers. We don’t just cover up moisture problems with new finishes because that leads to mold and material failure later. Seattle’s wet climate means moisture control is critical for any basement renovation. We use moisture-resistant materials and ensure proper ventilation so your finished space stays dry and comfortable.

Will finishing my basement actually increase my home's value?

A professionally finished basement typically adds 60-70% of the project cost to your home’s value, making it one of the better renovation investments. The key is doing it right with proper permits, quality materials, and professional installation. DIY basement finishing or cutting corners on moisture control often hurts value instead of helping. Seattle’s competitive real estate market means buyers notice the difference between professional work and amateur finishing. Additional living space is always valuable, especially when it’s done to code with warranties backing the work.

What's included in your basement remodeling warranty coverage?

We provide comprehensive warranties covering both materials and workmanship because we stand behind what we build. This includes warranty coverage on flooring installation, electrical work, plumbing modifications, and structural changes we make. Material warranties vary by manufacturer, but we help you understand what’s covered and for how long. If something goes wrong due to our installation or craftsmanship, we fix it at no cost to you. We’re licensed and insured, so you have protection if major issues arise that exceed warranty coverage.

Local Resources

136th Ave, WA is located in King County in Washington State