Radon testing & mitigation in Fayette County, PA
34% of basement tests here came back at or above 4 pCi/L, a little under the statewide 37%. That means about one in 3 homes tested needs a fix.
Fayette County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 16% of 833 tests ≥ 4 pCi/L, median 1.5
Source: computed 2026-10-11 from PA DEP's Radon Test Results, Sept 1986 - Current (data.pa.gov, public domain). Counts tests, not homes: repeat and post-mitigation tests are included. Only a test tells you your home's level.
3 DEP-certified firms have a business address in Fayette County (0 offer mitigation), with 4 certified individuals between them. Get free quotes
Radon testing (3 firms)
Alpha Detect & Control
✓ PA DEP certifiedTestingConnellsville1 certified person
Alpha Detect & Control
✓ PA DEP certifiedTestingAddress
- 6 Chestwood Dr, Connellsville, PA
- ✉ precisionhome96@gmail.com
Certified individuals
- Jones, Dan (testing #1703)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Dowling, David
✓ PA DEP certifiedTestingUniontown1 certified person
Dowling, David
✓ PA DEP certifiedTestingAddress
- 273 Krulock Rd, Uniontown, PA
- ✉ david@grandviewinspectionsllc.com
- grandviewinspectionsllc.com
Certified individuals
- Dowling, David (testing #3296)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Shadyside Home Inspections, LLC
✓ PA DEP certifiedTestingUniontown2 certified people
Shadyside Home Inspections, LLC
✓ PA DEP certifiedTestingAddress
- 265 Shadyside Road, Uniontown, PA
- ✉ tammyjobes@icloud.com
Certified individuals
- Domonkos, Richard Jr. (testing #9086)
- Jobes-Domonkos, Tammy (testing #3679)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Greene (0 firms) · Somerset (1 firms) · Washington (7 firms) · Westmoreland (17 firms). Firms often serve across county lines.
Adjacency from U.S. Census Bureau county adjacency file.
Hiring a radon pro in Fayette County: quick guide
With 34% of 7,625 basement tests at or above 4 pCi/L (below the 37% statewide share), Fayette County has no locally based mitigation firm, so look at the neighboring counties listed below.
- Verify: check the firm in the PA DEP Radon Services Directory, ask for the DEP ID (25 Pa. Code Chapter 240), or call 800-237-2366.
- Typical cost: $786-$1,274 for a mitigation system, national range from the HomeAdvisor cost guide.
- Selling or buying: PA's seller disclosure form asks about known radon and past tests (49 Pa. Code § 35.335a).
Frequently asked questions
How many certified radon mitigation firms are in Fayette County?
0 DEP-certified firms offering mitigation and 3 certified radon firms in total list a business address in Fayette County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Fayette County radon tests are high?
34% of 7,625 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 2.9 pCi/L.
How much does radon mitigation cost in Fayette County?
We don't have county-specific price data. A national cost guide reports typical installs at $786-$1,274. Get written quotes from DEP-certified mitigators.