Gypsum, CO Radon Mitigation and Testing

Q: What is the average radon level in Gypsum, CO?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Gypsum in?

Gypsum is in Eagle County, EPA Zone 2.

Q: How much does radon mitigation cost in Gypsum?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 5.00 pCi/L

Eagle County

EPA Zone 2

1 user test

Nestled in Eagle County's mountain valley, Gypsum shows radon readings that average 5.0 pCi/L, exceeding the EPA action level of 4.0 pCi/L. The area's high-altitude geology and seasonal temperature variations create conditions where radon can accumulate in homes, particularly those with below-grade living spaces. Residents in the 81637 zip code should prioritize radon testing and mitigation when levels exceed EPA guidelines.

5.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Gypsum, CO. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Gypsum, CO Radon Mitigation

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

Gypsum, CO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Gypsum, Colorado Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Gypsum, CO	21-50 Years	No Basement/All Crawl Space	May 2025

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

Gypsum Radon Facts

Key details about the radon risk profile for Gypsum and the 81637 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Eagle County, CO

Zip Code

81637

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Gypsum and the 81637 zip code are located in Eagle County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Gypsum, CO

What is the average radon level in Gypsum, CO?

Based on 1 user-submitted test, the average radon level in Gypsum is 5.00 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 Gypsum in?

Gypsum and the 81637 zip code are in Eagle County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Gypsum?

Radon mitigation in Gypsum 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 Gypsum?

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.

Most Active Radon Markets in Colorado

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Fairplay	12.00 pCi/L	9
Crested Butte	8.56 pCi/L	9
Denver	6.22 pCi/L	9
Montrose	9.25 pCi/L	8
Gunnison	7.38 pCi/L	8
Buena Vista	12.57 pCi/L	7
Pueblo	10.67 pCi/L	6
Grand Junction	8.17 pCi/L	6
Bayfield	6.00 pCi/L	6
Canon City	10.80 pCi/L	5
Aurora	7.40 pCi/L	5
Windsor	7.00 pCi/L	5
Telluride	6.80 pCi/L	5
Parker	5.40 pCi/L	5
Salida	15.50 pCi/L	4
Johnstown	9.50 pCi/L	4
Granby	9.00 pCi/L	4
Longmont	8.00 pCi/L	4
Edwards	6.75 pCi/L	4
Mancos	6.00 pCi/L	4