Basement Waterproofing in Edmonds, WA

Basement waterproofing in Edmonds: what to know

On a hillside lot, the wet spot on the wall can sit far from where water enters the soil. We look at the grade upslope of the house, the downspout discharge, and the footing drain before we blame the wall itself. A test pit beside the footing shows how quickly water gathers there, which tells us whether the drain or the grade needs work.

A repair lasts only if its outlet works. Water that lands on a slope, an adjacent lot, or a roadway simply relocates the trouble. We look for an outlet that stays on the lot, and any tie-in to a city line is settled with the city before anything is built. Excavation near the foundation is planned with the same care, and its depth and discharge route are read against the city’s clearing, fill, and grade handout (B37) before the ground opens.

Permits and rules in Edmonds

We confirm whether the excavation needs a permit under the city’s clearing, fill, and grade handout (B37), and whether any discharge into a city system needs sign-off. Both answers are confirmed before the estimate is final, and the quote lists any answer that is still open for your lot.

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

How we approach it

Follow the seepage upslope and note the entry point
Open a test pit beside the footing and time the drainage
Read any excavation against the city’s B37 clearing handout
Hold any city line tie-in until the city confirms it

For the full process, see our Basement Waterproofing page.

Our basement waterproofing work, serving Edmonds

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

Questions from Edmonds homeowners

Why does this Edmonds basement wall sweat after a long storm?

A long storm can raise groundwater near the footing and push runoff downslope toward the wall. We start with the surface water path before we look at anything deeper.

Can an Edmonds footing drain tie into the storm main?

Only with the city’s agreement to that tie-in. We first test whether the lot can absorb the discharge on site, and we hold the connection until the city has answered.

Is a trench beside an Edmonds foundation reviewed before digging?

The city’s clearing, fill, and grade handout (B37) is the reference we read for excavation, against the cut depth and the discharge route. We confirm the review path for your address ahead of excavation.