Radon testing & mitigation in Cumberland County, PA
55% 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.
Cumberland County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 37% of 17,596 tests ≥ 4 pCi/L, median 2.5
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.
6 DEP-certified firms have a business address in Cumberland County (4 offer mitigation), with 10 certified individuals between them. Get free quotes
Radon mitigation (reduction systems) (4 firms)
Firms certified to install radon reduction systems. Firms that also test are shown here once.
American Radon Solutions, Inc.
✓ PA DEP certifiedMitigationCamp Hill2 certified people
American Radon Solutions, Inc.
✓ PA DEP certifiedMitigationAddress
- 3537 Hartzdale Dr Suite H, Camp Hill, PA
- ✉ ameradonsolutions@gmail.com
Certified individuals
- Nguyen, Cuong (mitigation #7058)
- Nguyen, Tuan (mitigation #1419)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Ro, Jooik
✓ PA DEP certifiedMitigationTestingCarlisle1 certified person
Ro, Jooik
✓ PA DEP certifiedMitigationTestingAddress
- 30 Sunset Dr, Carlisle, PA
- ✉ jooikro69@gmail.com
Certified individuals
- Ro, Jooik (testing #2760, mitigation #2760)
DEP cert IDs
Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Sheely, Mike
✓ PA DEP certifiedMitigationEnola1 certified person
Sheely, Mike
✓ PA DEP certifiedMitigationAddress
- 1000 Wolfe Rd, Enola, PA
- ✉ msheelyhomeinsps@aol.com
Certified individuals
- Sheely, Mike (mitigation #2691)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Precision Inspections & Radon Solutions
✓ PA DEP certifiedMitigationTestingMechanicsburg4 certified people
Precision Inspections & Radon Solutions
✓ PA DEP certifiedMitigationTestingAddress
- 4900 Carlisle Pk #277, Mechanicsburg, PA
- ✉ mprice@precisionradonsolutions.com
- ✉ wecare@yourprecisionteam.com
- precisionradonsolutions.com
Certified individuals
- Ling, Jeremy (testing #8493, mitigation #2404)
- Ling, Selena (testing #3104)
- Pealer, Connor (mitigation #7544)
- Price, Michael (testing #8909)
DEP cert IDs
Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Radon testing (2 firms)
Cline, Jr., Joseph
✓ PA DEP certifiedTestingMechanicsburg1 certified person
Cline, Jr., Joseph
✓ PA DEP certifiedTestingAddress
- Po Box 1145, Mechanicsburg, PA
- ✉ ansinspect@netscape.net
Certified individuals
- Cline, Jr., Joseph (testing #2282)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Heintzelman, David C.
✓ PA DEP certifiedTestingMechanicsburg1 certified person
Heintzelman, David C.
✓ PA DEP certifiedTestingAddress
- 2802 W Rosegarden Blvd, Mechanicsburg, PA
- ✉ ann@adlerhi.com
- adlerhi.com
Certified individuals
- Heintzelman, David C. (testing #3532)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Adams (6 firms) · Dauphin (9 firms) · Franklin (5 firms) · Perry (1 firms) · York (8 firms). Firms often serve across county lines.
Adjacency from U.S. Census Bureau county adjacency file.
City pages & guides
Camp Hill (guide) · Mechanicsburg (guide)
Hiring a radon pro in Cumberland County: quick guide
With 55% of 76,621 basement tests at or above 4 pCi/L (above the 37% statewide share), Cumberland County has 4 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 Camp Hill · How to find a radon expert in Mechanicsburg
Frequently asked questions
How many certified radon mitigation firms are in Cumberland County?
4 DEP-certified firms offering mitigation and 6 certified radon firms in total list a business address in Cumberland County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Cumberland County radon tests are high?
55% of 76,621 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 4.8 pCi/L.
How much does radon mitigation cost in Cumberland 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.