Radon testing & mitigation in Blair 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.
Blair County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 22% of 1,641 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 Blair 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.
Helping Solutions LLC
✓ PA DEP certifiedMitigationTestingAltoona2 certified people
Helping Solutions LLC
✓ PA DEP certifiedMitigationTestingAddress
- 3499 Kettle Rd, Altoona, PA
- ✉ helpingsolutions@live.com
Certified individuals
- Ake, Justin (testing #2854, mitigation #2854)
- Link, Richard (testing #9075)
DEP cert IDs
Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Radon testing (2 firms)
Ulery, Adam
✓ PA DEP certifiedTestingDuncansville1 certified person
Ulery, Adam
✓ PA DEP certifiedTestingAddress
- 615 Aspen Ln, Duncansville, PA
- ✉ akinspections@yahoo.com
Certified individuals
- Ulery, Adam (testing #3171)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Ott, Dwayne
✓ PA DEP certifiedTestingTyrone1 certified person
Ott, Dwayne
✓ PA DEP certifiedTestingAddress
- 311 Bell Tip Rd, Tyrone, PA
- ✉ dwayne@advantageinsp.com
- advantageinsp.com
Certified individuals
- Ott, Dwayne (testing #1962)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Bedford (1 firms) · Cambria (4 firms) · Centre (4 firms) · Clearfield (1 firms) · Huntingdon (3 firms). Firms often serve across county lines.
Adjacency from U.S. Census Bureau county adjacency file.
City pages & guides
Hiring a radon pro in Blair County: quick guide
With 43% of 17,390 basement tests at or above 4 pCi/L (above the 37% statewide share), Blair 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 Altoona
Frequently asked questions
How many certified radon mitigation firms are in Blair County?
1 DEP-certified firms offering mitigation and 3 certified radon firms in total list a business address in Blair County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Blair County radon tests are high?
43% of 17,390 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 3.2 pCi/L.
How much does radon mitigation cost in Blair 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.