Plano, TX Radon Mitigation and Testing

Q: What is the average radon level in Plano, TX?

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Plano in?

Plano is in Collin County, EPA Zone 3.

Q: How much does radon mitigation cost in Plano?

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

Avg: 6.00 pCi/L

Collin County

EPA Zone 3

1 user test

Located in Collin County north of Dallas, Plano sits over Austin Chalk and Eagle Ford formations that contribute to moderate radon potential across the North Texas region. Testing data shows an average radon level of 6.0 pCi/L, which exceeds the EPA action threshold and suggests elevated risk for homes across multiple zip codes. With predominantly slab-on-grade construction common in this Dallas metro community, residents should conduct radon testing and consider soil depressurization systems if levels exceed 4.0 pCi/L.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Plano, TX Radon Mitigation

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

Plano, TX Radon Testing

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

Plano, Texas Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Plano, TX	0-20 Years	No Basement/All Slab	May 2016

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

Plano Radon Facts

Key details about the radon risk profile for Plano and the 75023 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Collin County, TX

Zip Code

75023

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Plano and the 75023 zip code are located in Collin County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Plano, TX

What is the average radon level in Plano, TX?

Based on 1 user-submitted test, the average radon level in Plano is 6.00 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 Plano in?

Plano and the 75023 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 Plano?

Radon mitigation in Plano 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 Plano?

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

City	Avg User Radon Level	Submissions
Lubbock	12.67 pCi/L	9
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