Mildew in University Place is usually surface mold on window frames, grout, bathroom ceilings and closet walls, fed by condensation during the wet months. Small patches can usually be cleaned at home, but growth that keeps returning or spreads past about 10 square feet is best handled by a professional. Call the number on this page to be connected with a local mold remediation company in University Place.

University Place homes and moisture
University Place is a mostly suburban city, mixing businesses and homes, with Puget Sound shoreline running down to Chambers Bay and Chambers Creek along its edge. Waterfront and bluff-side homes along Grandview Drive pick up damp marine air, but houses farther inland deal with the same seasonal pattern: from October to April, indoor moisture condenses on cold glass and exterior walls and dries slowly. Bathrooms, bedroom closets on the north side of a house and rooms used mainly for storage tend to show it first, because they get the least heat and air movement.
What to do now
- Check the extent. A patch under about 10 square feet on tile, glass or painted trim is generally manageable without a professional.
- Clean with detergent and water while wearing gloves and eye protection, then dry the surface fully. EPA advises against painting or caulking over mold.
- Cut out stained caulk around tubs and windows rather than trying to bleach it white again.
- Get the air moving. Run the bath fan during and after showers, crack a window when cooking, and pull furniture a few inches off outside walls.
- Track the humidity. EPA recommends staying under 60 percent indoors.
- Call for help if the growth returns, the drywall feels soft, or you suspect a leak.

Signs and what they usually mean
| What you see | Likely cause |
|---|---|
| Water beading on windows every morning | High indoor humidity, cold glass |
| Gray haze on a bathroom ceiling | Fan too weak or turned off too soon |
| Mildew behind a bed or bookcase | Cold exterior wall, no air flow |
| Rings or streaks below a window | Water getting past the window seal |
| Spots on stored items in a closet | Closed space against a cold wall |
Cost factors
For a sense of scale, Angi's Seattle cost guide puts bathroom mold remediation at $425 to $825, while HomeGuide's 2026 national range for bathrooms is $500 to $2,000. Price depends on area, whether drywall or flooring comes out, containment and repairs to the moisture source. Building permits for rebuilding come from the city's Planning & Development Services. The city also has a Code Enforcement Complaint Form, though it doesn't say whether it covers interior rental conditions.
Mold & Mildew Cleanup questions in University Place
Is mildew the same thing as mold?
Will a dehumidifier stop mildew?
Can mildew on drywall be cleaned, or does it have to come out?
How much does professional mold and mildew cleanup cost?
More mold services in University Place
Mold & Mildew Cleanup nearby
Helpful guides
Sources
- Wikipedia: University Place, Washington
- City of University Place: Shoreline Inventory and Characterization
- City of University Place: Applications and Forms
- EPA: Mold Cleanup in Your Home
- EPA: A Brief Guide to Mold, Moisture and Your Home
- Angi: How Much Does Mold Remediation Cost in Seattle, WA?
- HomeGuide: How Much Does Mold Removal and Remediation Cost? (2026)
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