Kingston basement mold usually traces back to high groundwater, condensation on cold walls, or a leak that ran unnoticed. A remediation company contains the area, removes moldy materials, cleans and dries the rest, and helps you address the water. Call the number on this page to be connected with a local mold remediation company in Kingston.

What happens when you call
You'll be connected with an independent local mold remediation company that works in Kingston and the rest of north Kitsap. Have a rough idea of the size of the area, whether walls are finished, and when you first noticed the smell or spots. If a visit is set up, expect moisture readings on the walls and slab, a look at gutters and grading outside, and a written scope covering containment, removal, cleaning and drying. Ask how dryness will be confirmed before anything is closed back up. Some owners hire a separate inspector to check the finished work; Angi suggests it, though Washington doesn't require it.
What affects the cost
- Total square footage with visible or hidden growth.
- Whether drywall, carpet, pad and insulation have to come out.
- How much containment and air filtration the job needs.
- Drying time in a cool, damp space.
- Rebuilding after removal, which is usually priced on its own.
Angi's Seattle cost guide lists basement mold remediation at $425 to $2,475. HomeGuide's 2026 national ranges are $1,500 to $6,000 for part of a basement and $6,000 to $15,000 for a whole one.

Local conditions in Kingston
Kingston is the north Kitsap ferry town on Appletree Cove, with a state ferry to Edmonds and passenger service to Seattle. Its waterfront is low, about 7 feet in elevation, and Kitsap County's sea level rise risk assessment found modeled total water levels slightly above the shoreline crest there. Homes uphill from the cove deal with groundwater and runoff more than tides. Kingston is unincorporated, so building permits, including repairs after storms, come from Kitsap County's Department of Community Development. Kitsap Public Health District does not inspect or test private homes for mold but publishes guidance and runs a water-damage line.
Before the company arrives
- Clear access to the damp walls, the water heater and the electrical panel.
- Make a list of past leaks, repairs or high-water events.
- Gather photos you've taken of the damage.
- Look up the company on L&I's Verify a Contractor tool.
- Keep pets and anyone with asthma out of the basement.
Basement Mold Removal questions in Kingston
Will a dehumidifier take care of basement mold?
Should the same company test for mold and remove it?
I rent a basement unit with mold. What are my options?
Will waterproofing keep the mold from coming back?
More mold services in Kingston
Basement Mold Removal nearby
Sources
- Wikipedia: Kingston, Washington
- Kitsap County: Sea Level Rise Risk Assessment (pdf)
- Kitsap County DCD: Permits
- Kitsap Public Health District: Mold
- Angi: How to Hire a Mold Remediation Company (separate testing and remediation)
- L&I: Verify a Contractor, Tradesperson or Business
- Angi: How Much Does Mold Remediation Cost in Seattle, WA?
- HomeGuide: How Much Does Mold Removal and Remediation Cost? (2026)
- RCW 59.18.070: Landlord's failure to remedy, Tenant's remedies, Notice
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