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Water Damage Restoration on Mercer Island, WA: Same Day Help

Mercer Island rises out of the middle of Lake Washington, linked to both shores by the I-90 bridge. Away from Town Center, many homes sit on steep, wooded slopes along East and West Mercer Way, often with daylight basements dug into the hill. In a long, wet winter, the soil gets saturated and water finds its way in. Our emergency crews answer 24 hours a day and cross the bridge the same day.

Call (425) 592-3603Get help on Mercer Island
  • Mercer Island, 98040
  • Daylight basements
  • Hillside seepage
  • Same day crews
Mercer Island hillside home with groundwater seeping into a daylight basement
Slopes, soil
and seepage

Water coming through the uphill wall?

On a slope, rain soaks into the hill above your house and moves downhill underground. It presses against the uphill basement wall and finds cracks, joints and window wells. We remove the water and dry the room. For drainage or slope concerns, talk to a drainage contractor or a geotechnical engineer. See flooded basement cleanup.

Mercer Island water damage

What causes most water damage on Mercer Island

Saturated hillsides

Long winter rains soak slopes and push water toward homes.

Daylight basements

Lower levels dug into the hill are first to take on water.

Retaining walls and drains

Clogged drains behind walls send water to the house.

Trees on slopes

Wind and wet soil bring trees down on roofs.

Town Center condos

Leaks between stacked units in newer buildings.

Mid-century plumbing

Older homes with original supply lines and valves.

Know your home

Mercer Island homes and what we usually see

Mercer Island homes and what we usually see
Home or areaCommon problemService that helps
Hillside homes on the Mercer WaysSeepage into lower levelsFlooded basement cleanup
Waterfront homesWind-driven rain, damp crawl spacesStorm water damage
Town Center condosLeaks from units aboveCondo water damage
Mid-century homesOld pipes and water heatersBurst pipe cleanup
Shaded lotsMusty lower levels, moldMold inspection
Winter on the island

Why Mercer Island lower levels stay wet

Wooded, shaded hillsides do not dry out between storms. Each rain adds to water already in the soil.

Water finds a way in

Through foundation cracks, around pipes, under doors and through window wells.

Drying takes longer

Cool, damp air slows drying, so we use dehumidifiers and check readings every day. See structural drying.

Watch for mold

Finished basements with carpet and drywall can grow mold fast if water sits.

Know when to call an engineer

New cracks in walls, doors that stop closing or ground movement are signs to call a geotechnical engineer.

Before the rainy season

Fall checklist for Mercer Island hillside homes

  • Clear drains behind retaining walls and at the base of driveways.

  • Make sure downspouts carry water away from the slope above your house.

  • Clean window wells and check their drains.

  • Test your sump pump and add a battery backup.

  • Keep stored items in the basement off the floor.

  • Save our number: (425) 592-3603, answered 24 hours a day.

When you call from Mercer Island

What happens after you call us on Mercer Island

  1. Real person answers

    We help you stop or slow the water.

  2. Same day crew

    Across the bridge from Kirkland via I-405 and I-90.

  3. Find the entry point

    Walls, floors and window wells checked.

  4. Extract and dry

    Water out, dehumidifiers set.

  5. Daily readings

    Until everything is dry.

  6. Repair

    Drywall, flooring and finishes restored.

Common on Mercer Island

Equipment that matters on the island

View all 25 brands

Independent restoration company. Not affiliated with these manufacturers.

Service areas

Cities near Mercer Island

We also serve the areas across the water.

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Related services

Our most requested services on Mercer Island

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Helpful guides

Guides for Mercer Island homeowners

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FAQs

Water damage questions from Mercer Island

Why does my basement leak on a hillside lot?

Rain soaks into the hill above you and moves downhill underground, pressing against the uphill wall until it finds a way in.

Is wet soil on my slope a landslide risk?

It can be. We handle water inside your home. For slope safety, contact a geotechnical engineer and the City of Mercer Island.

How fast can you reach Mercer Island?

Usually the same day, often within a couple of hours, depending on bridge traffic.

Do you help Town Center condo owners?

Yes. We dry your unit, check the units around it and work with the HOA.

Can my finished basement be saved?

Often, if drying starts fast and the water was clean. Wet pad and the bottom of drywall may need replacing.

Do you help after trees fall in storms?

Yes. We tarp roofs and dry the inside once the tree is safely removed.

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Water damage on Mercer Island? Call now.

Call (425) 592-3603 for 24 hour water damage help on Mercer Island. See all service areas or our homepage.

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