Radon testing & mitigation in Franklin County, PA
59% 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.
Franklin County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 37% of 3,511 tests ≥ 4 pCi/L, median 2.6
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.
5 DEP-certified firms have a business address in Franklin County (0 offer mitigation), with 5 certified individuals between them. Get free quotes
Radon testing (5 firms)
Baxter Environmental
✓ PA DEP certifiedTestingChambersburg1 certified person
Baxter Environmental
✓ PA DEP certifiedTestingAddress
- 941 Progress Rd, Chambersburg, PA
- ✉ info@baxtergroupinc.com
- baxtergroupinc.com
Certified individuals
- Rosenberry, Cole (testing #8846)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Hoverter, Travis
✓ PA DEP certifiedTestingChambersburg1 certified person
Hoverter, Travis
✓ PA DEP certifiedTestingAddress
- 452 Allen Dr, Chambersburg, PA
- ✉ travisscpa@comcast.net
Certified individuals
- Hoverter, Travis (testing #2706)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Shirley, Alan
✓ PA DEP certifiedTestingShippensburg1 certified person
Shirley, Alan
✓ PA DEP certifiedTestingAddress
- 919 Clearfield Rd, Shippensburg, PA
- ✉ alan@mcjhomeinspection.com
- mcjhomeinspection.com
Certified individuals
- Shirley, Alan (testing #3462)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Smith, Maren
✓ PA DEP certifiedTestingWaynesboro1 certified person
Smith, Maren
✓ PA DEP certifiedTestingAddress
- 309 S Oller Ave, Waynesboro, PA
- ✉ smithmaren06@gmail.com
Certified individuals
- Smith, Maren (testing #3625)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Young, Jason
✓ PA DEP certifiedTestingWaynesboro1 certified person
Young, Jason
✓ PA DEP certifiedTestingAddress
- 13290 Scott Rd, Waynesboro, PA
- ✉ jason.young@elementaletc.com
- elementaletc.com
Certified individuals
- Young, Jason (testing #3601)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Adams (6 firms) · Cumberland (6 firms) · Fulton (0 firms) · Huntingdon (3 firms) · Juniata (0 firms) · Perry (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 Franklin County: quick guide
With 59% of 20,850 basement tests at or above 4 pCi/L (above the 37% statewide share), Franklin 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).
Detailed local guides: How to find a radon expert in Chambersburg
Frequently asked questions
How many certified radon mitigation firms are in Franklin County?
0 DEP-certified firms offering mitigation and 5 certified radon firms in total list a business address in Franklin County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Franklin County radon tests are high?
59% of 20,850 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 Franklin 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.