In Olalla, mildew usually comes from damp air off Colvos Passage combined with winter condensation inside the house. Small spots on hard surfaces are usually safe for a homeowner to clean, while larger or returning growth should go to a professional who can also find the moisture. Call the number on this page to be connected with a local mold remediation company in Olalla.
About Olalla homes
Olalla is a small South Kitsap community on Olalla Bay, with a lagoon at the foot of Olalla Valley Road and Colvos Passage beyond. Kitsap County's sea level rise assessment identifies the area's wetlands as at risk of coastal flooding. Inside the house, the bigger factor for mildew is the season: heavy tree cover, few hours of winter sun and damp air make it hard for anything to dry between October and April. Older farmhouses and cabins with single-pane windows and partial heat show it first, but newer homes get it too when bathrooms lack working fans.
What to do this week
- Note every spot and its size. Anything under about 10 square feet on a hard surface is generally fine to clean yourself.
- Wear gloves and eye protection, scrub with detergent and water, and dry the surface afterward.
- Bag and discard mildewed cardboard, padding and other porous items that can't be laundered.
- Pull furniture and boxes away from outside walls so air can reach them.
- Run bath and kitchen fans longer, and keep some heat in rooms you don't use.
- Look for leaks at windows, the roof and under sinks. If growth returns in the same spot, a leak is likely.
Sign and probable cause
| What you see | Likely cause |
|---|---|
| Mildew in window corners each winter | Condensation, warm air on cold glass |
| Spots on a north-facing bedroom wall | Cold wall, low heat, no air flow |
| Gray patch on the bathroom ceiling | Fan missing, weak or not used long enough |
| Stain spreading from a ceiling corner | Roof or flashing leak |
| Musty smell from a lower room | Water reaching the foundation or a damp crawl space |
What moves the price
Angi's Seattle cost guide reports most pros charge $10 to $25 per square foot, about $1,000 to $2,500 for 100 square feet, with bathroom jobs at $425 to $825. The total grows with porous material removal, containment, repairs and the drive to a rural address. Ask whether the bid includes fixing the moisture source or only the cleanup, and confirm the company's registration with Washington L&I, since the state has no mold license. Permits for rebuilding in unincorporated Kitsap County come from the county Department of Community Development.
Mold & Mildew Cleanup questions in Olalla
Is mildew the same thing as mold?
What indoor humidity keeps mildew from growing?
Can I just paint over mildew stains?
Who can answer health questions about mold here?
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