Serving The Seattle-Tacoma Area

Basement, Crawl Space & Yard Drainage Experts

All Seasons Waterproofing and Drainage

At All Seasons Waterproofing & Drainage, we help homeowners protect their homes from water damage with proven waterproofing and drainage solutions that work year-round. With over 30 years of experience, we identify the source of moisture problems and install customized systems backed by honest recommendations and quality workmanship.

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Who We Are

Built on decades of hands-on experience.

At All Seasons Waterproofing & Drainage, we believe experience is the foundation of a dry home. For decades, we’ve specialized in solving water and drainage issues at their source by combining technical expertise with high-grade materials.

Every project we undertake is built to last, which is why we provide a Lifetime Transferable Guarantee. This means your investment is protected for as long as the structure stands, offering you immediate peace of mind and providing a powerful asset if you ever choose to sell your home.

All Seasons Waterproofing Ford Raptor Truck

Complete Waterproofing & Drainage Solutions

Proven systems built to stop water problems at the source.

Our services are designed to address water and moisture issues at their source, not just cover up the symptoms. We take a thorough, solutions-first approach—evaluating your home, identifying the cause of the problem, and installing proven waterproofing and drainage systems built for long-term performance. From basements and crawl spaces to foundations and yard drainage, every service we offer is focused on protecting your home and giving you lasting peace of mind.

Why homeowners trust us to protect their homes

Built on Experience. Chosen for Results.

Proven Expertise

Water and drainage issues require more than guesswork—they require experience built over years of hands-on work. At All Seasons Waterproofing & Drainage, our expertise comes from decades of solving complex water problems in real homes, under real conditions.

That experience allows us to quickly identify underlying issues and recommend solutions that truly work. When you choose All Seasons, you’re choosing a team that understands how water behaves and how to stop it effectively.

Built for Your Home

Every home manages water differently, which is why we take a customized approach to every project. We carefully evaluate your home’s structure, soil conditions, and drainage patterns before recommending any solution.

Our systems are designed specifically for your property, ensuring proper performance and long-term protection. The result is a solution that fits your home—not a generic fix.

Built for your home

Straightforward Advice

We believe trust starts with honesty. From your first inspection, we take the time to explain what’s happening, what needs attention, and which options make the most sense for your home.

There’s no pressure and no unnecessary work—just clear, straightforward guidance. Our goal is to help you make informed decisions with confidence.

straightorward advice

Quality Craftsmanship

Long-lasting results depend on how a system is installed. Our team takes pride in careful workmanship, precise installation, and the use of proven materials designed for durability.

We approach every project with attention to detail and respect for your home. It’s this commitment to quality that ensures our solutions perform reliably for years to come.

quality craftsmanship

Accountable Service

Clear communication and accountability are central to how we work. From scheduling to completion, you’ll always know what to expect and who to contact with questions.

We stand behind our work and remain available long after the job is finished. Homeowners choose All Seasons because they want a team that follows through and takes responsibility for protecting their home.

Accountable Service

Homeowners Recommend All Seasons

Why our customers confidently refer us to friends and neighbors.

Adam Luckenbach
Adam Luckenbach
We’ve trusted All Seasons Waterproofing with our home since 2011. It’s an outstanding company that seeks to provide great customer service at a fair price. David just handled our annual maintenance and was a total pro! Thank you for ensuring our home stays protected from water damage each year.
 Jennifer Standard
Jennifer Standard
The two gentlemen who came to do our annual service were amazing! They were respectful of our home and our dogs! They explained what they did so we understood! I am so glad that we went with All Seasons Waterproofing for our basement!
 John Hoey
John Hoey
All Seasons found a crack in our basement foundation and installed an interior pressure relief drain. Kirk was very professional and thorough in investigating our issue and proposed a clear solution and estimate. Their crew was efficient, courteous, and responsive to our concerns. We have full confidence in the solution thanks to All Seasons' work and guarantee. We would recommend All Seasons to anyone and would hire them again (although we hope we don't have to)!
 CarolLee Twitchell
CarolLee Twitchell
I called All Seasons about my trench drains and drywell. The owner was so kind and helpful. He sent David to come and assess everything. I got great advice on how to maintain the drywell and help cleaning the drains. They are decent, caring, honest people and I am very grateful. I highly recommend All Seasons.
susanne hollyfield
susanne hollyfield
All Seasons has reliably kept my basement dry for the 12 years since they put in drains. I have always been happy with their work and their employees. Keep up the wonderful work, you make such a difference!
Andrew Wittenberg
Andrew Wittenberg
We recently used All-Seasons Waterproofing on our job and they were great. From the initial visit with their estimator to the final install they were great to work with. They communicated really well and knew their craft. I would definitely recommend them for your waterproofing needs.