DC Waterproofing & Construction LLC
Waterproofing & Drainage Services in SW Washington & NW Oregon
Protecting Your Home from the Ground Up.
Licensed & insured in WA & OR • Built for wet-season reality
WHO WE ARE
DC Waterproofing & Construction is a locally owned waterproofing contractor specializing in deck, foundation, basement, and drainage systems for residential and light commercial projects. Founded by industry veterans with over a decade of hands-on experience, we focus on proven materials, precision installation, and long-term performance, not shortcuts.
We work with homeowners, builders, and remodelers who want the job done right the first time.
Deck Waterproofing
Protect living space below your deck with a system designed around proper drainage, transitions, and long-term durability.
Deck Finishing
Complete the surface of your deck with a durable finish that protects the membrane below while improving appearance and traction. We match the finishing system to your structure and exposure so it performs through wet seasons.
Foundation Waterproofing
Below-grade protection that stops moisture at the source using proven membranes and drainage strategies.
Basement Waterproofing
Identify the water path and apply the right solution to keep basements dry and usable year-round.
Crawlspace Drainage & Repairs
Redirect moisture, correct drainage issues, and protect structural components beneath your home.
Exterior Drainage & Channel Drains
Move water away from foundations, slabs, and entry points before it becomes a problem.
PVC Roofing
Durable flat-roof and deck membrane systems built for Pacific Northwest weather.
Flat Roof Waterproofing
Protect low-slope and flat roof structures with durable membrane systems built for Pacific Northwest rainfall. Proper slope, drainage, and precision installation at seams and penetrations are what keep water out long term.
Services We Offer
Contact Us Today
Ready to protect your investment?
Schedule a free consultation and get clear, honest recommendations based on your site conditions.
WHY CHOOSE DC WATERPROOFING & CONSTRUCTION
- Proven Systems, Not Guesswork
We match the waterproofing system to your structure, soil, and exposure—not a one-size approach. - Detail-Driven Installation
Transitions, terminations, and drainage paths are handled carefully because that’s where failures start. - Partner-First Approach
We work alongside homeowners, builders, and designers to make informed decisions early—when it matters most. - Built for Long-Term Results
Our work is designed to reduce callbacks, repairs, and surprises down the road.
WHAT TO EXPECT WHEN WORKING WITH US
1. Thorough Inspection
We evaluate site conditions, water paths, and risk areas before recommending anything.
2. Clear Recommendations
You’ll understand what we recommend, why it works, and what alternatives exist.
3. Precision Installation
Proven materials installed correctly, with close attention to details that protect the system.
4. Lasting Protection
The goal is simple: dry spaces, protected structures, and peace of mind.
Testimonials
WHAT OUR CUSTOMERS SAY
Read real feedback from satisfied customers who experienced the exceptional quality and service.
Proudly Serving Southwest Washington & Northwest Oregon
We proudly serve homeowners and builders across:
Washington:
Clark County
- Vancouver
- Camas
- Battle Ground
- Washougal
- Ridgefield
Skamania County
- Stevenson
- North Bonneville
- Carson
- Home Valley
- Underwood
Cowlitz County
- Longview
- Kelso
- Woodland
- Castle Rock
- Kalama
Pacific County
- Raymond
- South Bend
- Long Beach
- Ilwaco
- Ocean Park
Oregon:
Multnomah County • Clackamas County • Washington County • Yamhill County • Columbia County • Tillamook County • Lincoln County
Built for coastal weather, heavy rainfall, and real-world conditions.
Frequently Asked Questions
How do I know which waterproofing system I need?
The right solution depends on site conditions, water exposure, and how the structure is built. We start with a thorough inspection and recommend a system designed for your specific situation.
Do you work with builders and remodelers?
Yes. We regularly coordinate with builders, remodelers, and designers—especially during the planning phase—so waterproofing details are handled correctly from the start.
Are warranties available?
Warranties vary by system and manufacturer. We’ll walk you through warranty options and explain what’s covered before work begins.
Do you offer free estimates?
Yes. We offer free consultations and estimates so you can make an informed decision without pressure.
Get Started Today
Protect your home or project with a waterproofing system built to last.