Franklin, NC Radon Mitigation and Testing

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

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

Q: What EPA Radon Zone is Franklin in?

Franklin is in Macon County, EPA Zone 2.

Q: How much does radon mitigation cost in Franklin?

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

Macon County

EPA Zone 2

1 user test

Nestled in the Blue Ridge Mountains of Macon County, Franklin sits on crystalline bedrock that can produce moderate radon levels in certain areas. Local testing data shows an average of 6.0 pCi/L in zip code 28734, which exceeds the EPA action level. The mountainous terrain and mix of basement and crawl space foundations in this scenic western North Carolina community make professional radon testing particularly important.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Franklin, NC Radon Mitigation

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

Franklin, NC Radon Testing

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

Franklin, North Carolina Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Franklin, NC	0-20 Years	Full Basement	Mar 2017

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

Franklin Radon Facts

Key details about the radon risk profile for Franklin and the 28734 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Macon County, NC

Zip Code

28734

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Franklin and the 28734 zip code are located in Macon County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Franklin, NC

What is the average radon level in Franklin, NC?

Based on 1 user-submitted test, the average radon level in Franklin 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 Franklin in?

Franklin and the 28734 zip code are in Macon County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Franklin?

Radon mitigation in Franklin 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 Franklin?

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