Advanced Waterproofing

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Advanced Waterproofing Advanced Waterproofing is a residential & commercial contractor that specialize in foundation, basement, & crawlspace waterproofing & repair.

We serve all of Cowlitz County & SW Washington. We’re family owned & take pride in our quality workmanship.

10/01/2026

We are now finished with the largest interior Crawl Space drain system. Advanced waterproofing has ever done it totals 900 linear feet and three separate Crawl Space’s if you’re Crawl Space has a water intrusion problem give Advanced waterproofing a call 360-846-8519

09/24/2026

700!! foot Crawl Space drain system with 3 sump pumps. Advanced waterproofing just got the drain systems put in now we are on to the next step the v***r barrier.

Advanced Waterproofing is coming in and saving this company’s building after they already paid another drainage company ...
09/08/2026

Advanced Waterproofing is coming in and saving this company’s building after they already paid another drainage company $100,000 for what they thought was going to be the solution.
If you have a basement or a crawlspace that needs waterproofed give us a call 360-846-8519.

09/03/2026

foundation strapped

09/03/2026

Replacing broken cinderblocks for a foundation wall

08/25/2026

Another view

08/25/2026

Landscaping is a huge part of what we do taking the extra time to make sure that the homeowners property is well taken care of is what we’re all about

08/25/2026

Storm drain system

07/28/2026

This house had a lot of water coming through the garage as well as their living room. We see a lot of of these with daylight basements. If you have A daylight basement and your experiencing water intrusion in your basement? Give us a call 360-846-8519

Advanced Waterproofing is happy to announce that we made it to Top 10 for 2026! 💧🙏👏💪
07/27/2026

Advanced Waterproofing is happy to announce that we made it to Top 10 for 2026!
💧🙏👏💪

Address

1545 Schaffran Road
Castle Rock, WA
98611

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 9am - 5pm

Telephone

+13608468519

Website

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