Arvada, CO Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Arvada in?

Arvada is in Jefferson County, EPA Zone 1.

Q: How much does radon mitigation cost in Arvada?

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

Jefferson County

EPA Zone 1

2 user tests

This Denver Metro suburb in Jefferson County shows an average radon level of 5.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. Arvada's position along the Colorado Front Range, with uranium-bearing granite bedrock beneath prairie soils, contributes to elevated radon potential across zip codes 80002-80007. The community's predominantly single-family homes with full basements require vigilant radon testing and mitigation when levels exceed safe thresholds.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Arvada, CO Radon Mitigation

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

Arvada, CO Radon Testing

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

Arvada, Colorado Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Arvada, CO	0-20 Years	No Basement/All Crawl Space	Jan 2019
5 pCi/L	Arvada, CO	21-50 Years	—	Sep 2018

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

Arvada Radon Facts

Key details about the radon risk profile for Arvada and the 80002 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Jefferson County, CO

Zip Code

80002

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Arvada and the 80002 zip code are located in Jefferson County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Arvada, CO

What is the average radon level in Arvada, CO?

Based on 2 user-submitted tests, the average radon level in Arvada 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 Arvada in?

Arvada and the 80002 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 Arvada?

Radon mitigation in Arvada 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 Arvada?

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