Spencer, NC Radon Levels

Q: What EPA Radon Zone is Spencer in?

Spencer is in Rowan County, EPA Zone 3.

Q: Why are radon readings shown from areas near Spencer?

No homeowner radon tests have been submitted for Spencer yet, so readings from the closest cities and the Rowan County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Spencer?

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

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

Spencer, NC Radon Facts

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

County Rowan County, NC

Zip Code 28159

Situated in Rowan County within the Charlotte Metro area, Spencer sits in North Carolina's Piedmont region where granite and metamorphic bedrock beneath clay-rich soils can produce variable radon concentrations. Testing data for this historic railroad town remains limited, making professional radon testing particularly important for homeowners. The community features a mix of restored historic properties, traditional Southern homes, and newer suburban construction, with foundation types ranging from crawl spaces to full basements depending on the construction era.

5.40

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.40 pCi/L, based on 15 tests from 9 nearby cities. No readings have been submitted for Spencer yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Spencer, NC Radon Mitigation

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

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Radon Readings Near Spencer, NC

No homeowner tests have been submitted for Spencer yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
7 pCi/L	Kannapolis, NC	17.2 mi	51-99 Years	No Basement/All Crawl Space	Feb 2021
4 pCi/L	Concord, NC	22.1 mi	21-50 Years	Full Basement	Oct 2020
4 pCi/L	Clemmons, NC	23.7 mi	0-20 Years	Full Basement	Nov 2020
4 pCi/L	Mooresville, NC	24.4 mi	—	—	Feb 2024
5 pCi/L	Mooresville, NC	24.4 mi	0-20 Years	Full Basement	Jan 2022
2 pCi/L	Mooresville, NC	24.4 mi	0-20 Years	No Basement/All Crawl Space	Feb 2020
5 pCi/L	Mooresville, NC	24.4 mi	0-20 Years	No Basement/All Slab	Dec 2019
12 pCi/L	Troutman, NC	25.2 mi	51-99 Years	Full Basement	Jun 2017

Readings are drawn from the nearest cities with submitted data. Have a result for Spencer? Submit your reading to help your neighbors.

Rowan County Radon Profile

Rowan County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. User-submitted readings are still sparse within Rowan County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Rowan County.

Radon FAQ for Spencer, NC

What EPA Radon Zone is Spencer in?

Spencer and the 28159 zip code are in Rowan 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.

Why are radon readings shown from areas near Spencer?

No homeowner radon tests have been submitted for Spencer yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Rowan County average—are the best available indicator of local conditions until Spencer homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Spencer?

Radon mitigation in Spencer 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 Spencer?

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.

Radon Levels Near Spencer, NC

User-submitted radon levels from the cities closest to Spencer with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Kannapolis	17.2 mi	7.00 pCi/L	1
Concord	22.1 mi	4.00 pCi/L	1
Clemmons	23.7 mi	4.00 pCi/L	2
Mooresville	24.4 mi	4.00 pCi/L	4