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Mold & Mildew Cleanup in Federal Way, WA

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From Dash Point to Steel Lake and Lake Killarney, Federal Way homes spend months with cold glass, damp air and slow-drying bathrooms.

Mildew coming back in your Federal Way home or apartment?
Call now to be connected with a local mold remediation company in Federal Way.
(206) 759-5187

Most mildew in Federal Way homes grows where indoor moisture meets cold surfaces during the wet season: window frames, bathroom ceilings, closets and outside walls behind furniture. Small patches on hard surfaces can be cleaned with detergent and water, while larger areas or stained drywall need a professional to remove material and find the cause. Call the number on this page to be connected with a local mold remediation company in Federal Way.

Mildew on stored items in a closet, mold & mildew cleanup in Federal Way, WA

Once you dial

The number on this page connects you with an independent mold remediation company serving Federal Way. This site is a referral service, not a contractor. On the first call, describe the rooms involved, how large the growth looks and what you think is feeding it: a shower without a working fan, sweating windows, a roof or plumbing leak. The company will usually set a time to look in person. Ask them to check moisture behind the stain with a meter and to give you a written scope that lists cleaning, removal, containment and any follow-up repair separately.

What sets the cost

Angi's Seattle cost guide lists bathroom mold remediation at $425 to $825 and labor around $75 to $120 an hour. What changes the total:

  • square footage and number of rooms
  • cleaning in place versus cutting out drywall, carpet or ceiling material
  • containment in an apartment, condo or occupied home
  • fixing the cause, such as a new bath fan or window repair
  • repainting and patching afterward
Call now to be connected with a local mold remediation company in Federal Way.
(206) 759-5187
Mildew on a bathroom ceiling above a shower, mold & mildew cleanup in Federal Way, WA

Local conditions

Federal Way lies along I-5 and Pacific Highway between Seattle and Tacoma, about 21 miles south of Seattle, and was incorporated in 1990. Its water is mostly to the west: Dash Point State Park is the city's only developed waterfront park, and the city says most of its special flood hazard area runs along the Puget Sound coastline. Inland neighborhoods such as Camelot and East Redondo, and homes near Steel Lake and Lake Killarney, are much more likely to see mildew from everyday indoor humidity than from flooding. Long gray months, closed windows and busy households put a lot of moisture into the air, and it ends up on the coldest glass and walls. If repairs need a building permit, questions go to the City of Federal Way Permit Center. Renters with unrepaired leaks can file a complaint with Federal Way Code Compliance, which enforces building codes and the International Property Maintenance Code.

Prep list

  • Snap photos before you scrub so the extent is on record.
  • Test the bathroom fan and note whether it vents outdoors.
  • Clear space around affected walls and windows.
  • Write down any past leaks or repairs.
  • If you rent, keep a copy of your written notice to the landlord.

Mold & Mildew Cleanup questions in Federal Way

Why does mildew show up on my windows every winter?
Warm, moist indoor air condenses on cold glass and frames during the wet months, and the water sits there for days. Wiping sills on cold mornings, running bath and kitchen fans, and keeping indoor humidity below 60 percent, as EPA advises, all cut down on it.
Will bleach get rid of mildew for good?
No cleaner keeps mildew away if the surface keeps getting wet. EPA's point is that moisture control is the key to mold control, so scrub the growth off, dry the area and deal with the condensation or leak that fed it.
What does professional mold and mildew cleanup cost?
Angi's Seattle cost guide lists bathroom mold remediation at $425 to $825 and says most pros charge $10 to $25 a square foot. HomeGuide's 2026 national range for bathrooms is $500 to $2,000. Removing drywall or flooring, and the repairs afterward, push the total higher.
I rent. Who is responsible for the mildew?
Tell your landlord in writing about leaks, sweating walls or a broken fan; Washington landlords must keep units reasonably weathertight and provide DOH-approved mold information, and for most non-emergency repairs they have 10 days to begin. Federal Way Code Compliance takes complaints about building code and property maintenance violations. This is general information, not legal advice.

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(206) 759-5187

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