Lillington, NC Radon Mitigation and Testing

Q: What is the average radon level in Lillington, NC?

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

Q: What EPA Radon Zone is Lillington in?

Lillington is in Harnett County, EPA Zone 3.

Q: How much does radon mitigation cost in Lillington?

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

Harnett County

EPA Zone 3

2 user tests

Lillington is located in Harnett County, North Carolina. With 2 user-submitted readings averaging 5.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 27546 zip code.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Lillington, NC Radon Mitigation

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

Lillington, NC Radon Testing

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

Lillington, North Carolina Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Lillington, NC	0-20 Years	No Basement/All Slab	Nov 2024
4 pCi/L	Lillington, NC	0-20 Years	No Basement/All Slab	Aug 2024

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

Lillington Radon Facts

Key details about the radon risk profile for Lillington and the 27546 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harnett County, NC

Zip Code

27546

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Lillington and the 27546 zip code are located in Harnett 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 Lillington, NC

What is the average radon level in Lillington, NC?

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

Lillington and the 27546 zip code are in Harnett 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 Lillington?

Radon mitigation in Lillington 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 Lillington?

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 North Carolina

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

City	Avg User Radon Level	Submissions
Murphy	12.83 pCi/L	6
Blowing Rock	10.17 pCi/L	6
Brevard	7.50 pCi/L	4
Cary	5.00 pCi/L	4
Highlands	4.50 pCi/L	4
Mooresville	4.00 pCi/L	4
Banner Elk	9.33 pCi/L	3
Charlotte	7.33 pCi/L	3
Denver	4.33 pCi/L	3
Hendersonville	9.00 pCi/L	2
Wake Forest	4.50 pCi/L	2
Apex	3.50 pCi/L	2
Huntersville	3.50 pCi/L	2
Raleigh	9.00 pCi/L	1
Fayetteville	5.00 pCi/L	1
Waxhaw	4.00 pCi/L	1
Chapel Hill	3.00 pCi/L	1
Clayton	No submissions	0
Fuquay Varina	No submissions	0
Holly Springs	No submissions	0