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Englewood, CO Radon Levels

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


Englewood, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Arapahoe County, CO
Zip Code 80110
Avg. User Level 11.00 pCi/L
User Tests 2

This Denver Metro suburb in Arapahoe County has recorded an average radon level of 10.0 pCi/L, significantly exceeding the EPA action threshold. Englewood's position along the Front Range, where uranium-bearing granite meets sedimentary formations, creates ideal conditions for elevated radon levels that require immediate mitigation attention.

11.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Englewood, CO Radon Mitigation

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

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Englewood, CO Radon Levels

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

Radon LevelCityHome AgeFoundation
12 pCi/L Englewood, CO 21-50 Years No Basement/All Slab
10 pCi/L Englewood, CO 21-50 Years Full Basement

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

Radon Readings Near Englewood, CO

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

CityDistanceAvg User LevelReadings
Littleton 5.4 mi 6.00 pCi/L 2
Denver 8.6 mi 6.22 pCi/L 9
Aurora 10.9 mi 7.40 pCi/L 5
Parker 11.7 mi 5.40 pCi/L 5
Morrison 12.6 mi 5.00 pCi/L 3
Commerce City 14.3 mi 9.00 pCi/L 1
Arvada 17.2 mi 5.00 pCi/L 2
Conifer 21.3 mi 9.00 pCi/L 3

Arapahoe County Radon Profile

The bedrock and soils beneath Arapahoe County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Arapahoe County average 8.40 pCi/L across 10 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Arapahoe County.

Radon FAQ for Englewood, CO

What is the average radon level in Englewood, CO?
Based on 2 user-submitted tests, the average radon level in Englewood is 11.00 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 Englewood in?
Englewood and the 80110 zip code are in Arapahoe 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 Englewood?
Radon mitigation in Englewood 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 Englewood?
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.