Allen, TX Radon Levels

Q: What EPA Radon Zone is Allen in?

Allen is in Collin County, EPA Zone 3.

Q: How much does radon mitigation cost in Allen?

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

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

Allen, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Collin County, TX

Zip Code 75002

Situated in Collin County within the Dallas-Fort Worth metroplex, Allen represents rapid suburban growth over the past three decades, with most homes built on slab foundations over Texas's clay-rich soils and limestone bedrock. The community spans zip codes 75002 and 75013, featuring predominantly newer subdivisions with modern construction techniques that typically limit radon entry. However, testing data for Allen remains limited, so homeowners should still consider periodic radon testing despite the area's generally lower radon potential.

Allen, TX Radon Mitigation

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

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Radon FAQ for Allen, TX

What EPA Radon Zone is Allen in?

Allen and the 75002 zip code are in Collin County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Allen?

Radon mitigation in Allen 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 Allen?

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 Texas

Cities in Texas with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Lubbock	12.70 pCi/L	10
San Antonio	6.57 pCi/L	7
Austin	6.14 pCi/L	7
Dallas	8.00 pCi/L	5
Abilene	4.50 pCi/L	2
Houston	3.50 pCi/L	2
Plano	6.00 pCi/L	1
Frisco	3.00 pCi/L	1
Nacogdoches	No submissions	0