Why mold is common in Everett
The NOAA station at Paine Field, on Everett's southwest side, averages about 33 inches of precipitation a year for 1991–2020, but the timing matters more than the total. November brings about 5 inches and December about 4.5, while July and August get less than an inch each. For half the year the ground stays wet, the air is cool and damp, and houses dry slowly.
Winter is mold season here. Warm, moist indoor air from cooking, showers, and drying laundry condenses on cold windows, exterior walls, and closet corners, and mold shows up as black spots behind furniture and on window frames. About 48% of the city's homes were built before 1980, and about 16% before 1940, according to the Census Bureau. Many of the oldest, in the Northwest, Riverside, and Bayside neighborhoods, have little wall insulation and crawl spaces or basements where groundwater collects through the rainy months.
Bathroom and kitchen fans that vent outside and a dehumidifier in the lower level do more to prevent mold in Everett than anything else.
Source: NOAA climate normals
Mold services in Everett
What mold work costs in Snohomish County
| Service | Typical range |
|---|---|
| Mold inspection, national range | $300–$1,000 |
| Lab sample, per sample (national) | $50–$350 |
| Typical remediation job (national) | $1,100–$3,400 |
We have no Snohomish County price data, so the table shows national ranges from Angi and HomeGuide. Older Everett homes often need ventilation fixes or crawl space vapor barriers along with the cleanup, and those add to the bill. See the remediation cost guide.
Washington mold licensing: what to check
Washington does not license mold remediation, so an Everett homeowner should check the contractor registration instead: any company doing repair work must be registered with L&I, and the "Verify a contractor" tool shows its bond and insurance. Ask for mold training records and a written scope that covers how the moisture source, often condensation or a wet crawl space, will be fixed. See the Washington page.
Will insurance cover it?
Insurers usually treat condensation mold and a chronically damp crawl space as maintenance, so those claims are often denied. A supply line that bursts in a freeze or a roof damaged in a windstorm is more likely to be covered, with a mold limit. Snohomish River flooding needs a separate flood policy. Everett owners can ask the state Insurance Commissioner's office for help with a claim. See does insurance cover mold.
Areas we connect you in
Northwest, Riverside, Bayside, Delta, Lowell, Silver Lake, Cascade View, Valley View, and surrounding neighborhoods of Everett.