Serving Redmond
Groundwater & Basement Water Intrusion in Redmond, WA
Basement seepage, failed sumps, and hydrostatic pressure against the foundation are extracted and dried, and the path from the ground is identified so the loss does not repeat. Groundwater and basement seepage are extracted and dried only after the path from the soil is identified — a wall, a slab, a drain, or a failed sump. Drying the interior without stopping that path returns the same water to the same floor.
Frequently asked questions
Valley floor or plateau: which applies to this house?
It is the first thing worth settling, because they are unrelated problems. On the floor the water arrives from beneath as the river holds the level up, and the work is a sealed floor with a pump. On the slopes it arrives sideways along a buried layer, and the work is interception above the building. Neither remedy suits the other.
Seven inches in December and nothing dries until April.
Five months without a break changes the timing of work rather than the need for it. A defect found in November has the whole winter to act on a building with nothing drying in the meantime, so holding off for better conditions means holding off until April and paying for a larger repair when it comes.
The river through the valley is a salmon stream with protections on it.
It is, and that constrains what may be done to the banks and to the strip alongside far more than most owners expect. Work near the channel needs approval that work a little further up the slope does not. Finding that out before a scheme is designed rather than after saves the whole design.
The Redmond overview carries this FAQ with the city research.