Mold Inspection in Bainbridge Island, WA

Bainbridge Island is a hilly island city with about 53 miles of irregular shoreline on Puget Sound, Port Orchard Bay, Rich Passage and Agate Pass, plus Eagle Harbor at Winslow. Housing skews older than many suburbs: Census-based counts for ZIP 98110 show about 34.5 percent of houses built in 1979 or earlier. The city says king tides can cause local tidal flooding starting around +13 feet above mean lower low water, with higher levels during windy storms. Long wet winters do the rest, keeping crawl spaces, north walls and shaded roofs damp for months. With that much older housing, an inspector will often find past repairs, additions and finished lower levels where moisture can hide.

What to do now

1. Check the obvious sources: roof valleys, skylights, gutters, the water heater and under sinks.
2. After a high-tide or storm event, wait until water recedes, then start drying right away.
3. Photograph stains and growth with something for scale.
4. Keep anyone with asthma or a weakened immune system out of the affected rooms.
5. Don't seal or paint over spots; EPA says paint won't stop mold that is still wet.
6. Book an inspection if the source is hidden or the affected area may exceed about 10 square feet.

Signs and what they usually mean

What affects the cost

National 2026 ranges are a starting point: about $303 to $1,044 for a mold inspection in Angi's data, and about $300 to $650 from HomeGuide. Larger homes, steep or tight crawl spaces, detached studios and samples all add time. Kitsap Public Health District does not inspect or test private homes for mold, so assessment is private work. Repairs afterward go through the City of Bainbridge Island Building Division's permit portal. Renters can raise unfixed building problems with the city's Code Compliance, which takes written complaints through SeeClickFix.