Radon testing & mitigation in Centre County, PA
56% of basement tests here came back at or above 4 pCi/L, well above the statewide 37%. That means about one in 2 homes tested needs a fix.
Centre County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 42% of 5,125 tests ≥ 4 pCi/L, median 3.2
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 Centre County (3 offer mitigation), with 5 certified individuals between them. Get free quotes
Radon mitigation (reduction systems) (3 firms)
Firms certified to install radon reduction systems. Firms that also test are shown here once.
Mckee Environmental, Inc.
✓ PA DEP certifiedMitigationTestingBellefonte2 certified people
Mckee Environmental, Inc.
✓ PA DEP certifiedMitigationTestingAddress
- 86 Quartz Dr, Bellefonte, PA
- ✉ dougmckee13@gmail.com
Certified individuals
- Mckee, Douglas (testing #3484, mitigation #3484)
- Mckee, Jillian (testing #9103)
DEP cert IDs
Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Oak Leaf Environmental
✓ PA DEP certifiedMitigationTestingCentre Hall1 certified person
Oak Leaf Environmental
✓ PA DEP certifiedMitigationTestingAddress
- 409 S Pennsylvania Ave, Centre Hall, PA
- ✉ tom@oakleafenv.com
- oakleafenv.com
Certified individuals
- Wilkins, Thomas (testing #3726, mitigation #3726)
DEP cert IDs
Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Glantz, Frank
✓ PA DEP certifiedMitigationLemont1 certified person
Glantz, Frank
✓ PA DEP certifiedMitigationAddress
- Po Box 866, Lemont, PA
- ✉ frank@raid-on-radon.com
- raid-on-radon.com
Certified individuals
- Glantz, Frank (mitigation #2135)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Radon testing (1 firm)
Todd Giddings & As
⚠ Name may be cut off in DEP records✓ PA DEP certifiedTestingState College1 certified person
Todd Giddings & As
Address
- 3049 Enterprise Drive, State College, PA
Certified individuals
- Giddings, Todd (testing #8453)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Blair (3 firms) · Clearfield (1 firms) · Clinton (2 firms) · Huntingdon (3 firms) · Mifflin (1 firms) · Union (1 firms). Firms often serve across county lines.
Adjacency from U.S. Census Bureau county adjacency file.
City pages & guides
Hiring a radon pro in Centre County: quick guide
With 56% of 39,814 basement tests at or above 4 pCi/L (above the 37% statewide share), Centre County has 3 DEP-certified mitigation firms 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 State College
Frequently asked questions
How many certified radon mitigation firms are in Centre County?
3 DEP-certified firms offering mitigation and 4 certified radon firms in total list a business address in Centre County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Centre County radon tests are high?
56% of 39,814 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 5.2 pCi/L.
How much does radon mitigation cost in Centre 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.