Call For A Free Quote: 1-800-299-3578 (toll free) | 303-337-6610 (local)

Parker, CO Radon Levels

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


Parker, CO Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Douglas County, CO
Zip Code 80134
Avg. User Level 5.40 pCi/L
User Tests 5

Rapidly growing Douglas County suburb Parker, within the Denver Metro area, shows an average radon level of 5.4 pCi/L from recent testing, exceeding EPA action guidelines. The community's position on Colorado's Front Range, with underlying Pierre Shale and Denver Formation bedrock, creates significant radon potential. Homeowners in both the 80134 and 80138 zip codes should prioritize testing and mitigation in their predominantly newer suburban homes.

5.40
pCi/L average
Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Parker, CO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Parker, CO Radon Mitigation

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

Need Radon Mitigation or Testing in Parker?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Douglas County Pros
1-800-299-3578 303-337-6610 (local) Toll-free · Mon–Fri 8am–6pm ET

Parker, CO Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Parker, CO 0-20 Years Full Basement
6 pCi/L Parker, CO 21-50 Years Partial Basement
3 pCi/L Parker, CO 21-50 Years Full Basement
10 pCi/L Parker, CO 0-20 Years Full Basement

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

Radon Readings Near Parker, CO

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

CityDistanceAvg User LevelReadings
Englewood 11.7 mi 11.00 pCi/L 2
Elizabeth 13.0 mi 5.67 pCi/L 3
Littleton 13.4 mi 6.00 pCi/L 2
Aurora 13.8 mi 7.40 pCi/L 5
Denver 19.6 mi 6.22 pCi/L 9
Sedalia 20.0 mi 20.00 pCi/L 1
Kiowa 21.4 mi 12.00 pCi/L 1
Morrison 22.3 mi 5.00 pCi/L 3

Douglas County Radon Profile

Douglas 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 3 cities in Douglas County average 7.57 pCi/L across 7 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 Douglas County to test, as levels can differ between neighboring homes.

Radon FAQ for Parker, CO

What is the average radon level in Parker, CO?
Based on 5 user-submitted tests, the average radon level in Parker is 5.40 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 Parker in?
Parker and the 80134 zip code are in Douglas 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 Parker?
Radon mitigation in Parker 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 Parker?
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.