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Golden, CO Radon Levels

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


Golden, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Jefferson County, CO
Zip Code 80401
Avg. User Level 9.00 pCi/L
User Tests 2

Located in Jefferson County at the base of Colorado's Front Range, Golden has recorded an average radon level of 9.0 pCi/L, significantly exceeding the EPA action level. The area's uranium-bearing granite bedrock and mountain geology create high radon potential throughout zip code 80497. Homes in this historic mining community should prioritize radon mitigation systems.

9.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Golden, CO Radon Mitigation

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

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Golden, CO Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Golden, CO 21-50 Years Partial Basement
10 pCi/L Golden, CO 51-99 Years Partial Basement

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

Radon Readings Near Golden, CO

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

CityDistanceAvg User LevelReadings
Idaho Springs 3.8 mi 4.00 pCi/L 1
Black Hawk 6.5 mi 13.00 pCi/L 4
Evergreen 11.9 mi 10.00 pCi/L 1
Conifer 18.4 mi 9.00 pCi/L 3
Bailey 19.8 mi 14.33 pCi/L 3
Morrison 20.5 mi 5.00 pCi/L 3
Arvada 23.0 mi 5.00 pCi/L 2
Boulder 24.4 mi 12.00 pCi/L 1

Jefferson County Radon Profile

Jefferson County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 6 cities in Jefferson County average 7.50 pCi/L across 12 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Jefferson County to test, as levels can differ between neighboring homes.

Radon FAQ for Golden, CO

What is the average radon level in Golden, CO?
Based on 2 user-submitted tests, the average radon level in Golden is 9.00 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 Golden in?
Golden and the 80401 zip code are in Jefferson 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 Golden?
Radon mitigation in Golden 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 Golden?
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.