MoldHelpUSA
Why mold is common in Fort Collins
Fort Collins averages about 16 inches of precipitation a year under NOAA's 1991–2020 normals, and May is the wettest month. Spring here means wet snow on top of thawing ground, then rain, which is when water finds its way into basements and window wells. Summer storms add hail and the occasional cloudburst.
The city knows what one bad storm can do. The Spring Creek flood of July 28, 1997 killed five people and flooded the basement and first floor of the Colorado State University library, according to the National Weather Service. A flood like that is rare, but the same pattern plays out on a small scale every year: heavy rain over a few hours, a window well that fills, and water on the basement floor.
Fort Collins has a younger housing stock than Denver. About 31% of homes were built before 1980 and more than a third since 2000, according to the Census Bureau. Newer homes are tighter, so a leak or a humidifier set too high has fewer ways to dry out, and many have finished basements where a small seep stays hidden behind drywall.
Source: NOAA climate normals
Mold services in Fort Collins
What mold work costs in Larimer County
| Service | Typical range |
|---|---|
| Inspection cost (national data) | $300–$1,000 |
| Typical average job (national) | about $2,400 |
| Most remediation jobs (national) | $1,100–$3,400 |
| Whole-home work after a large water loss | $15,000–$30,000 |
Fort Collins has no published mold price data, so the ranges are national. The local job that costs more is the finished basement after spring snowmelt or a window well that filled, where drywall, carpet, and pad come out together. See our mold remediation cost guide.
Colorado mold licensing: what to check
There is no Colorado mold license to look up, so ask a Fort Collins company for proof of liability insurance, its training or IICRC certification, and a written scope that lists what will be removed and how the area will be contained. If remediation leads to rebuilding walls, plumbing, or electrical, the repair work may need a permit from the City of Fort Collins.
Will insurance cover it?
Mold that follows a sudden event, such as a burst pipe or a roof opened up by hail, is more likely to be covered by a homeowners policy than mold from a slow seep. Water that comes in from outside at ground level, like a flash flood or a window well that fills in a storm, is usually excluded unless you carry flood or water backup coverage. See our guide on insurance and mold.
Areas we connect you in
Old Town, Midtown, Campus West, Harmony, Rigden Farm, Fossil Creek, Southridge, Northside, Prospect Ponds, Westridge, and surrounding neighborhoods of Fort Collins.