OT ConstructionConcrete & outdoor living

Basement Waterproofing in Marysville, WA

A damp Marysville basement can trace to a high water table, to runoff that flows toward the foundation, or to a footing drain whose outlet has stopped working. Where the soil map places the Marysville series on a lot, its description puts a siltstone layer at 20 to 40 inches, so drain depth is checked before a repair is chosen.

Call 206-483-5334Get a quote
Exterior waterproofing cross-sectionA foundation wall with an exterior membrane, a drainage board, and a footing drain that carries water to an outlet, under ground graded away from the house. 12345
Exterior waterproofing: stop the water before it reaches the wall
  1. Grade slopes away from the house
  2. Waterproof membrane on the foundation wall
  3. Drainage board to move water down to the drain
  4. Footing drain in clean rock
  5. Pipe carrying water to an approved outlet

Basement waterproofing in Marysville: what to know

The NRCS official series description for Marysville calls the soil well drained, with stream-deposited sediment over siltstone bedrock. Its typical profile has weathered, weakly consolidated siltstone at 20 to 40 inches, and the series sits on higher, abandoned floodplain surfaces at 0 to 1 percent slope. The description does not state a seasonal water table, so the wet-season water pattern is read on the lot itself. A trench cut to that depth can reach the siltstone, and its outlet is set with that layer in view.

The outlet can sit on the parcel or join a city storm line. MMC 14.15 sets when stormwater review applies, and city staff clear any connection before it is made. We keep the outlet inside the parcel, away from the neighboring lot and the road.

Permits and rules in Marysville

Digs are checked before pricing against three questions: does the cut reach the city’s 50-yard grading line, does the discharge route trigger a stormwater review, and does any slope cut need added review? We check each answer with the city and record it in the job file.

Rules change and vary by parcel, so we confirm the current requirements with the city before we start.

How we approach it

  • Map the high-water pattern across the wet season
  • Check downspouts, grade, and soil beside the footing
  • Rebuild the footing drain and confirm its outlet
  • Route any discharge inside the parcel where possible

For the full process, see our Basement Waterproofing page.

Our basement waterproofing work, serving Marysville

Examples of our work. We build basement waterproofing in Marysville and the cities around it. See all of our work

Questions from Marysville homeowners

Can the soil layers under a Marysville lot affect a basement?

They can. Where the Marysville series is mapped, its description places a weathered siltstone layer at 20 to 40 inches in the typical profile, so a footing drain’s depth and outlet are checked against it before the repair is chosen.

Does MMC 14.15 apply to a Marysville footing drain tie-in?

MMC 14.15 triggers review through threshold conditions the manual defines, such as added impervious surface, and it adopts Ecology’s 2019 manual with local changes. A tie-in is confirmed with the city before it is made.

Is a Marysville basement dig over 50 yards a grading permit?

The city’s permit table sets a grading permit for land disturbance of 50 yards or more, with the unit confirmed by city staff. A smaller dig still gets a look for slope, depth, and discharge route.

Other work in Marysville

The same service nearby

Talk to us about your project

Call or email us. We’ll talk through the work and set up a time to see the site.

Call 206-483-5334
Get a quote
Call 206-483-5334Get a quote