Looking for a radon mitigation pro in South Mountain, TX? Describe your project once and up to five certified radon professionals who work in South Mountain and Coryell County get back to you with a quote. It's free and there is no obligation.
South Mountain is home to about 410 people (2024 Census Bureau estimate), a stable community (+0.5% since 2020). With 254 people per sq mi, it is a semi-rural area. Radon levels vary from house to house, even next door: testing is the only way to know, and mitigation the standard fix.
South Mountain at a glance
- Population (Census Bureau estimate, 2024)
- 410 (+0.5% since 2020)
- Rank in Texas
- 1,031st of 1,224 cities and towns
- Land area
- 1.6 sq mi
- Population density
- 254 people per sq mi (semi-rural)
- Type
- Town (South Mountain town)
- Main county
- Coryell County
What to check before hiring in South Mountain
- Certification: in Texas, choose a pro certified by the NRPP or NRSB, and licensed by the state where it is required.
- Test after: a post-mitigation test should confirm the new level.
- Fan placement: ask where the fan and the vent pipe will go, especially on the outside of the house.
- Price drivers: foundation type, number of suction points and the pipe route.
Useful official resources
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EPA: radon
Health risk, testing and fixing your home.
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NRPP
Find certified radon professionals.
Services available in South Mountain
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Radon mitigation system
Installation of an active soil depressurization system with a post-mitigation test.
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Radon testing
Professional radon test, for example during a home purchase.
Frequently asked questions in South Mountain
How much does radon mitigation cost in South Mountain, TX?
It depends mainly on the foundation and the number of suction points. Describe your home: certified pros who serve South Mountain reply with a quote.
How long does installation take?
Most residential systems are installed in a day.
Is radon common in Texas?
Radon is found in every state. Only a test of your own home tells you its level.
Which certified radon professionals will contact me?
Up to five independent certified radon professionals who serve South Mountain and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.