Storm Runoff and Seepage in Lake Stevens, WA

Is This What You Are Seeing?

• Water at the threshold. A puddle forms just inside an exterior or garage door after heavy rain.
• Damp baseboards. Baseboards on an outside wall feel soft or show a water line.
• Wet carpet edges. Carpet along an exterior wall is wet even though no pipe runs there.
• Mud or silt inside. A thin layer of grit on the floor shows the water came from outside.
• Pooling outside. Water ponds against the foundation or a ditch overflows toward the house.
• Chalky concrete. White residue on a garage slab or lower wall shows water moving through concrete.

What Is Happening When You Have Storm Runoff and Seepage

Runoff is rain that cannot soak into the ground fast enough, so it moves across lawns, driveways and streets until it finds a low spot. When a ditch or storm drain fills up, that low spot can be a garage door, a patio slider or a window well. Water comes in at the threshold, travels under laminate and carpet, and wicks up drywall and baseboards. Seepage is slower: wet soil presses water through cracks and joints in foundation walls and slabs. Because runoff carries soil, fertilizer and road grime, it is dirtier than a clean supply line leak, and porous items it touches need cleaning or removal rather than just drying.

Most Lake Stevens homes were built in 1990 or later, many in subdivisions where roofs, driveways and streets send rain to ditches and drains rather than into open ground. Some homes on slopes have daylight basements or lower rooms that sit below the grade of the yard above them, and older homes downtown and near the creeks sit close to wet ground. Whether a house sits on a slab, a crawlspace or a daylight basement changes where runoff goes, which is why the crew checks the whole lower level, not just the room with the puddle.

In the first hour, water spreads under flooring and into the bottom of walls. By 24 hours carpet pad and drywall are soaked, and the silt left behind starts to smell. At 48 hours baseboards and the bottom plates of walls are holding water, and mold can begin in places that stay dark and damp. After a week without drying, drywall, pad and insulation usually have to come out, and laminate or engineered floors may swell and separate at the seams.

What to Do Before the Crew Arrives

1. Watch the electricity Stay out of water touching outlets or cords, and shut off lower-level breakers if the panel is dry.
2. Block the entry Set sandbags or rolled towels at the door where water is coming in.
3. Stay out of ditches Fast water in a ditch or culvert can knock an adult down, so keep kids and pets away.
4. Move belongings up Lift boxes, rugs and electronics off the garage and lower floors.
5. Document the water Photograph where it enters, how deep it is and any overflowing drain outside.
6. Call before it dries in place Silt and dirty water soak deeper every hour.

How a Local Crew Handles Storm Runoff and Seepage

1. Step 1

   Assess entry and water type

   The crew finds where the runoff is getting in, checks whether it carried soil or debris, and decides which materials need cleaning versus removal before drying starts.

2. Step 2

   Extract water and silt

   Truck-mounted or portable extractors pull water from carpet, pad and hard floors, and technicians shovel or vacuum silt so it does not dry into the flooring.

3. Step 3

   Remove and clean

   Soaked pad, the bottom of wet drywall and swollen baseboards are cut out, and remaining surfaces are cleaned and treated with antimicrobial products before drying begins.

4. Step 4

   Dry walls and floors

   Dehumidifiers and air movers run for several days, with daily moisture readings in the slab, wall plates and drywall until every area reaches normal levels.

5. Step 5

   Document and plan repairs

   You get photos, moisture logs and a written repair scope, plus notes on grading, drains or downspouts that sent the water toward the house in the first place.

Why It Happens in Lake Stevens Homes

Back-to-back storms

After the December 2025 atmospheric river rain, the City of Lake Stevens noted that back-to-back storms soak the ground and send more runoff to streams and ditches. Once the soil is full, new rain runs across the surface.

Overwhelmed ditches and drains

The same release said heavy rain can overwhelm parts of the stormwater system, so ditches and inlets can back up and push water toward driveways and garages.

Creeks and the outlet channel

Before the 2008 Lundeen Creek restoration, a straight-cut ditch carried floodwater toward nearby homes for years, and yards near creeks can still collect water in heavy rain.

Fast growth and more pavement

Population nearly quadrupled from 2000 to 2010 with the annexations south of Frontier Village. More roofs and pavement mean more rain moves as surface runoff.

Near Lundeen Park and along Lundeen Parkway, creek-side yards and roadside ditches are the usual source, and back-to-back storms can send water under a garage door. Around Hartford, the outlet channel runs nearby, and older homes and light industrial buildings can take on water at doors and loading areas in the wettest weeks. On Cavalero Hill and along the 20th Street SE corridor, sloped streets and newer subdivisions send runoff downhill toward the lower homes. In the Machias area near Lake Stevens, rural lots and Pilchuck valley rain mean yards, outbuildings and long driveways can channel water toward a house.

Local flooding from the December 2025 storms was minimal, a reminder that runoff damage usually comes down to one low door or one corner of a lot. The line connects you with a local restoration pro in Lake Stevens or nearby Snohomish. Have the address, where water is entering, whether it is still coming in, and whether it carried mud.

Neighborhood guides: Lundeen Park, Hartford, Cavalero Hill, Machias Area.

What Storm Runoff and Seepage Costs in Lake Stevens

How far the water traveled, how much silt it carried, and whether pad, drywall and baseboards have to come out move the price the most. Runoff that reached a finished lower level costs more than water on a bare garage slab. General market ranges, not quotes.

General market ranges, not quotes.

How to Keep It From Happening Again

• Clear the nearest grate. Before November, rake leaves off the drain grate nearest your driveway on a dry day.
• Check the grading. Make sure soil slopes away from the foundation and fill low spots.
• Extend downspouts. Run them several feet past the foundation and away from doors.
• Seal the garage threshold. A rubber threshold seal keeps a thin sheet of water outside.
• Keep sandbags ready. Homes near creeks or at the bottom of a slope can keep a few on hand for atmospheric river weeks.

Who Do I Call for Storm Runoff and Seepage in Lake Stevens?

More Lake Stevens Water Damage Guides

1. Lakefront Home Water DamageDamp crawlspaces, seepage and musty lower levels in shoreline homes when winter rain keeps the lake high and the ground soaked$3 to $7.50 per sq ft
2. Sewer Backup CleanupSewage backing up from floor drains, toilets or tubs, soaking floors, drywall and crawlspaces with category 3 water that needs safe cleanup$2,500 to $12,000
3. Toilet Overflow CleanupA toilet that overflows from a clog, a failed fill valve or a split supply line, soaking bathroom floors, subfloor and the ceiling below$1,200 to $4,000
4. Ceiling Water DamageWater coming through a ceiling from an upstairs leak, the roof or the attic, soaking drywall, insulation and light fixtures and risking collapse$400 to $2,000