Radon testing & mitigation in Cambria County, PA
43% of basement tests here came back at or above 4 pCi/L, above the statewide 37%. That means about one in 2 homes tested needs a fix.
Cambria County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 22% of 1,016 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.
4 DEP-certified firms have a business address in Cambria County (1 offer mitigation), with 4 certified individuals between them. Get free quotes
Radon mitigation (reduction systems) (1 firm)
Firms certified to install radon reduction systems. Firms that also test are shown here once.
Carpenter, Keith
✓ PA DEP certifiedMitigationJohnstown1 certified person
Carpenter, Keith
✓ PA DEP certifiedMitigationAddress
- 124 Old Colony Dr, Johnstown, PA
- ✉ kcarp34@gmail.com
Certified individuals
- Carpenter, Keith (mitigation #2037)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Radon testing (3 firms)
Smith, Jeffrey
✓ PA DEP certifiedTestingEbensburg1 certified person
Smith, Jeffrey
✓ PA DEP certifiedTestingAddress
- 1263 Manor Dr, Ebensburg, PA
- ✉ jeff@jeffsmithinspectionservice.com
- jeffsmithinspectionservice.com
Certified individuals
- Smith, Jeffrey (testing #2165)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Schuller, Eric
✓ PA DEP certifiedTestingJohnstown1 certified person
Schuller, Eric
✓ PA DEP certifiedTestingAddress
- 337 Russell Ave, Johnstown, PA
- ✉ uncleerc@gmail.com
Certified individuals
- Schuller, Eric (testing #3708)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Spicher, Timothy
✓ PA DEP certifiedTestingNanty Glo1 certified person
Spicher, Timothy
✓ PA DEP certifiedTestingAddress
- 239 Fords Corner Rd, Nanty Glo, PA
- ✉ tim.spicher@newchapterhi.pro
Certified individuals
- Spicher, Timothy (testing #3707)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Bedford (1 firms) · Blair (3 firms) · Clearfield (1 firms) · Indiana (2 firms) · Somerset (1 firms) · Westmoreland (17 firms). Firms often serve across county lines.
Adjacency from U.S. Census Bureau county adjacency file.
City pages & guides
Hiring a radon pro in Cambria County: quick guide
With 43% of 16,349 basement tests at or above 4 pCi/L (above the 37% statewide share), Cambria County has 1 DEP-certified mitigation firm based locally.
- 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).
Detailed local guides: How to find a radon expert in Johnstown
Frequently asked questions
How many certified radon mitigation firms are in Cambria County?
1 DEP-certified firms offering mitigation and 4 certified radon firms in total list a business address in Cambria County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Cambria County radon tests are high?
43% of 16,349 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 3.4 pCi/L.
How much does radon mitigation cost in Cambria 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.