--- title: "Certified Radon Mitigation & Testing in Lancaster County, PA | Radon Roster" description: "9 PA DEP-certified radon firms in Lancaster County: 55% of basement tests at or above 4 pCi/L. Contacts, DEP cert IDs and local data." canonical: https://radonroster.com/pa/county/lancaster/ --- [Pennsylvania](https://radonroster.com/)›[Counties](https://radonroster.com/pa/counties/)›Lancaster # Radon testing & mitigation in Lancaster 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. ## Lancaster County radon test data Lancaster**55%** Statewide**37%** Share of basement tests ≥ 4 pCi/L **4.7**median basement pCi/L **109,372**basement tests on record **#13**of 67 PA counties by share ≥ 4 First floor: **39%** of 14,553 tests ≥ 4 pCi/L, median 2.7 Source: computed 2026-10-11 from PA DEP's [Radon Test Results, Sept 1986 - Current](https://data.pa.gov/Energy-and-the-Environment/Radon-Test-Results-September-1986-Current-Annual-C/vkjb-sx3k) (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. **9 DEP-certified firms** have a business address in Lancaster County (3 offer mitigation), with 13 certified individuals between them. [Get free quotes](https://radonroster.com/get-quotes/?county=lancaster) [Mitigation3](#mitigation)[Testing6](#testing)Labs 0Ordered by town, then name · never by payment ## Radon mitigation (reduction systems) (3 firms) Firms certified to install radon reduction systems. Firms that also test are shown here once. ### Rjh Radon Mitigation Inc ✓ PA DEP certifiedMitigation Akron2 certified people #### Address * Po Box 91, Akron, PA * ✉ [rjhradonpa@gmail.com](mailto:rjhradonpa@gmail.com) #### Certified individuals * Hoffman, Elliot (mitigation #3058) * Sauder, Keith (mitigation #7582) #### DEP cert IDs mitigation #0565 · mitigation #3058 · mitigation #7582 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyMitigation.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F0565) [**Call** (717) 859-6996](tel:7178596996) ### Fritsch, Andrew ✓ PA DEP certifiedMitigation Ephrata1 certified person #### Address * 110 S Line Rd, Ephrata, PA * ✉ [andrew@bauderbasement.com](mailto:andrew@bauderbasement.com) * [bauderbasement.com](https://bauderbasement.com/) #### Certified individuals * Fritsch, Andrew (mitigation #3541) #### DEP cert IDs mitigation #3541 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyMitigation.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F3541) [**Call** (717) 949-2011](tel:7179492011) ### Jk Mechanical Inc ✓ PA DEP certifiedMitigationTesting Willow Street3 certified people #### Address * 202 W Kendig Rd, Willow Street, PA * ✉ [bshimp@jkmechanical.com](mailto:bshimp@jkmechanical.com) * ✉ [serivce@jkmechanical.com](mailto:serivce@jkmechanical.com) * [jkmechanical.com](https://www.jkmechanical.com/) #### Certified individuals * Salvatore, Alexander (mitigation #7729) * Salvatore, Andrew (mitigation #7730) * Shimp, Brian (testing #3747, mitigation #3747) #### DEP cert IDs mitigation #3747 · mitigation #3748 · mitigation #7729 · mitigation #7730 · testing #3747 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyMitigation.pdf) [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F3747) [**Call** (717) 464-0111](tel:7174640111) ## Radon testing (6 firms) ### Muehling, Matthew ✓ PA DEP certifiedTesting Elizabethtown1 certified person #### Address * 106 Canvasback Lane, Elizabethtown, PA * ✉ [mgmuehling@gmail.com](mailto:mgmuehling@gmail.com) #### Certified individuals * Muehling, Matthew (testing #2795) #### DEP cert IDs testing #2795 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F2795) [**Call** (717) 330-5658](tel:7173305658) ### Precise Inspecting ✓ PA DEP certifiedTesting Lancaster2 certified people #### Address * 2105 W Ridge Dr, Lancaster, PA * ✉ [bill@preciseinspecting.com](mailto:bill@preciseinspecting.com) * [preciseinspecting.com](https://www.preciseinspecting.com/) #### Certified individuals * Haughery, Bill (testing #3295) * Haughery, Matt (testing #8900) #### DEP cert IDs testing #3295 · testing #3445 · testing #8900 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F3295) [**Call** (717) 808-5997](tel:7178085997) ### Carrozza, Jr., Anthony ✓ PA DEP certifiedTesting Mount Joy1 certified person #### Address * 770 Fairview Rd, Mount Joy, PA * ✉ [acarrozza369@comcast.net](mailto:acarrozza369@comcast.net) #### Certified individuals * Carrozza, Jr., Anthony (testing #2858) #### DEP cert IDs testing #2858 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F2858) [**Call** (717) 490-1126](tel:7174901126) ### Risk, Douglas ✓ PA DEP certifiedTesting Peach Bottom1 certified person #### Address * 230 Haines Station Rd, Peach Bottom, PA * ✉ [dcrhomeinspection@gmail.com](mailto:dcrhomeinspection@gmail.com) #### Certified individuals * Risk, Douglas (testing #3599) #### DEP cert IDs testing #3599 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F3599) [**Call** (717) 519-7845](tel:7175197845) ### Schmidt Iii, Wolfgang ✓ PA DEP certifiedTesting Quarryville1 certified person #### Address * 335 Camargo Rd, Quarryville, PA * ✉ [alliedhomeinspect@gmail.com](mailto:alliedhomeinspect@gmail.com) #### Certified individuals * Schmidt Iii, Wolfgang (testing #3743) #### DEP cert IDs testing #3743 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F3743) [**Call** (717) 290-6777](tel:7172906777) ### Angelucci, Thomas ✓ PA DEP certifiedTesting Stevens1 certified person #### Address * 424 E Church St, Stevens, PA * ✉ [tom@inspectmyhomenow.com](mailto:tom@inspectmyhomenow.com) * [amerisurehomeinspection.com](https://www.amerisurehomeinspection.com/) #### Certified individuals * Angelucci, Thomas (testing #3283) #### DEP cert IDs testing #3283 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F3283) [**Call** (717) 413-4582](tel:7174134582) ## Neighboring counties [Berks](https://radonroster.com/pa/county/berks/) (9 firms) · [Chester](https://radonroster.com/pa/county/chester/) (18 firms) · [Dauphin](https://radonroster.com/pa/county/dauphin/) (9 firms) · [Lebanon](https://radonroster.com/pa/county/lebanon/) (4 firms) · [York](https://radonroster.com/pa/county/york/) (8 firms). Firms often serve across county lines. Adjacency from U.S. Census Bureau county adjacency file. ## City pages & guides [Lancaster](https://radonroster.com/pa/city/lancaster-pa/) ([guide](https://radonroster.com/pa/city/lancaster-pa/radon-guide/)) ## Hiring a radon pro in Lancaster County: quick guide With 55% of 109,372 basement tests at or above 4 pCi/L (above the 37% statewide share), Lancaster County has 3 DEP-certified mitigation firms based locally. * **Verify:** check the firm in the [PA DEP Radon Services Directory](https://www.pa.gov/agencies/dep/programs-and-services/radiation-protection/radon-division/radon-services-directory), ask for the DEP ID ([25 Pa. Code Chapter 240](https://files.dep.state.pa.us/RadiationProtection/BureauOfRadiationProtection/BRPPortalFiles/Chapter_240_2015-04-23.pdf)), or call 800-237-2366. * **Typical cost:** $786-$1,274 for a mitigation system, national range from the [HomeAdvisor cost guide](https://www.homeadvisor.com/cost/environmental-safety/remove-radon-gas/). * **Selling or buying:** PA's seller disclosure form asks about known radon and past tests ([49 Pa. Code § 35.335a](https://www.pacodeandbulletin.gov/secure/pacode/data/049/chapter35/s35.335a.html)). Detailed local guides: [How to find a radon expert in Lancaster](https://radonroster.com/pa/city/lancaster-pa/radon-guide/) ## Frequently asked questions **How many certified radon mitigation firms are in Lancaster County?** 3 DEP-certified firms offering mitigation and 9 certified radon firms in total list a business address in Lancaster County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area. **What share of Lancaster County radon tests are high?** 55% of 109,372 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 4.7 pCi/L. **How much does radon mitigation cost in Lancaster 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. **Want firms to contact you?**One request to Lancaster mitigators[Request quotes](https://radonroster.com/get-quotes/?county=lancaster) Our advice ## Before you hire in Lancaster 1. Ask for the DEP cert ID and match it to the listing. 2. Get at least two written quotes for mitigation. 3. Retest after the system is installed. PA Radon Hotline **800-237-2366** Typical mitigation cost $786–$1,274 National range (HomeAdvisor). No local price data; quotes vary by foundation type. [Estimate your cost →](https://radonroster.com/radon-mitigation-cost/) ## Want firms to contact you? Send one request to certified mitigators who serve Lancaster. [Request quotes](https://radonroster.com/get-quotes/?county=lancaster)