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Estes Park, CO Radon Levels

Check local Estes Park radon levels and find certified testing and mitigation professionals to keep your home safe


Estes Park, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Larimer County, CO
Zip Code 80517
Avg. User Level 6.50 pCi/L
User Tests 2

High in the Colorado Rockies, Estes Park in Larimer recorded a radon level of 4.0 pCi/L, right at the EPA action threshold. The mountain community's elevation and granite bedrock geology can contribute to radon accumulation in enclosed spaces. With limited testing data from zip code 80511, homeowners should test their properties, especially given Colorado's generally high radon potential and the area's seasonal occupancy patterns.

6.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Estes Park, CO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Estes Park, CO Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Estes Park, CO Radon Levels

User-submitted radon test readings from homes in the Estes Park area.

Radon LevelCityHome AgeFoundation
4 pCi/L Estes Park, CO 21-50 Years Full Basement

Have a radon test result for Estes Park? Submit your reading to help other homeowners.

Radon Readings Near Estes Park, CO

Compare radon levels in Estes Park with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Lyons 21.4 mi 14.50 pCi/L 2
Loveland 24.5 mi 4.50 pCi/L 2
Grand Lake 25.0 mi 6.00 pCi/L 2
Fort Collins 25.3 mi 5.50 pCi/L 2
Red Feather Lakes 26.6 mi 17.33 pCi/L 3
Berthoud 26.7 mi 12.00 pCi/L 2
Livermore 27.2 mi 20.00 pCi/L 1
Windsor 33.8 mi 7.00 pCi/L 5

Larimer County Radon Profile

Because of its underlying geology, Larimer County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 7 cities in Larimer County average 10.75 pCi/L across 12 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Larimer County home regardless of zone or a neighbor's results.

Radon FAQ for Estes Park, CO

What is the average radon level in Estes Park, CO?
Based on 2 user-submitted tests, the average radon level in Estes Park is 6.50 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Estes Park in?
Estes Park and the 80517 zip code are in Larimer County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Estes Park?
Radon mitigation in Estes Park typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Estes Park?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.