--- title: "Certified Radon Mitigation & Testing in Dauphin County, PA | Radon Roster" description: "9 PA DEP-certified radon firms in Dauphin County: 51% of basement tests at or above 4 pCi/L. Contacts, DEP cert IDs and local data." canonical: https://radonroster.com/pa/county/dauphin/ --- [Pennsylvania](https://radonroster.com/)›[Counties](https://radonroster.com/pa/counties/)›Dauphin # Radon testing & mitigation in Dauphin County, PA 51% 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. ## Dauphin County radon test data Dauphin**51%** Statewide**37%** Share of basement tests ≥ 4 pCi/L **4.1**median basement pCi/L **67,255**basement tests on record **#19**of 67 PA counties by share ≥ 4 First floor: **24%** of 19,267 tests ≥ 4 pCi/L, median 1.4 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 Dauphin County (5 offer mitigation), with 12 certified individuals between them. [Get free quotes](https://radonroster.com/get-quotes/?county=dauphin) [Mitigation5](#mitigation)[Testing3](#testing)[Labs1](#lab)Ordered by town, then name · never by payment ## Radon mitigation (reduction systems) (5 firms) Firms certified to install radon reduction systems. Firms that also test are shown here once. ### Sipe, Steven ✓ PA DEP certifiedMitigationTesting Halifax1 certified person #### Address * 69 Million Dollar Rd, Halifax, PA * ✉ [csinspect@comcast.net](mailto:csinspect@comcast.net) #### Certified individuals * Sipe, Steven (testing #3287, mitigation #3287) #### DEP cert IDs mitigation #3287 · testing #3287 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=F3287) [**Call** (717) 425-0989](tel:7174250989) ### Enviroquest, Inc. ✓ PA DEP certifiedMitigationTesting Harrisburg4 certified people #### Address * 1738 N 3Rd St Ste A, Harrisburg, PA * ✉ [evq@comcast.net](mailto:evq@comcast.net) #### Certified individuals * Durborow, Brent (testing #9068) * Miller, Cory (mitigation #7516) * Staz, Iii, John (testing #1512, mitigation #1512) * Staz, Michael (mitigation #7227) #### DEP cert IDs mitigation #1512 · mitigation #1725 · mitigation #7227 · mitigation #7516 · testing #1512 · testing #1725 · testing #9068 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=F1512) [**Call** (717) 233-6144](tel:7172336144) ### Enviroquest, Inc. ✓ PA DEP certifiedMitigation Harrisburg1 certified person #### Address * 1738 N. 3Rd St, Harrisburg, PA * ✉ [evq@comcast.net](mailto:evq@comcast.net) #### Certified individuals * Durborow, Brent (mitigation #7458) #### DEP cert IDs mitigation #7458 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=F7458) [**Call** (717) 233-6144](tel:7172336144) ### Radon, Joseph ✓ PA DEP certifiedMitigationTesting Harrisburg1 certified person #### Address * 400 Market St, Harrisburg, PA * ✉ [coonsmj13@gmail.com](mailto:coonsmj13@gmail.com) #### Certified individuals * Radon, Joseph (testing #1234, mitigation #1234) #### DEP cert IDs mitigation #1234 · testing #1234 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=F1234) [**Call** (717) 425-5365](tel:7174255365) ### Zzzz Brp Demo Account ✓ PA DEP certifiedMitigationTesting HarrisburgCertified firm #### Address * Po Box 8469, Harrisburg, PA * ✉ [macoons@pa.gov](mailto:macoons@pa.gov) #### Certified individuals * None listed separately #### DEP cert IDs mitigation #9999 · testing #9999 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=F9999) [**Call** (717) 425-5365](tel:7174255365) ## Radon testing (3 firms) ### Wentz, Brian ✓ PA DEP certifiedTesting Harrisburg1 certified person #### Address * 6235 Warren Ave, Harrisburg, PA * ✉ [inspectahomeinc@gmail.com](mailto:inspectahomeinc@gmail.com) #### Certified individuals * Wentz, Brian (testing #2829) #### DEP cert IDs testing #2829 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=F2829) [**Call** (717) 540-5970](tel:7175405970) ### Matteson, Chris ✓ PA DEP certifiedTesting Hershey1 certified person #### Address * 151 W Chocolate Ave, Hershey, PA * ✉ [chris@accurateinspecting.com](mailto:chris@accurateinspecting.com) * [accurateinspecting.com](https://accurateinspecting.com/) #### Certified individuals * Matteson, Chris (testing #2337) #### DEP cert IDs testing #2337 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=F2337) [**Call** (717) 583-2914](tel:7175832914) ### Biechler, Michael ✓ PA DEP certifiedTesting Middletown1 certified person #### Address * 2466 Roundtop Rd, Middletown, PA * ✉ [inspectionsmike@gmail.com](mailto:inspectionsmike@gmail.com) #### Certified individuals * Biechler, Michael (testing #2102) #### DEP cert IDs testing #2102 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=F2102) [**Call** (717) 364-0060](tel:7173640060) ## Radon laboratories (1 firm) ### Accustar Labs ✓ PA DEP certifiedLab Harrisburg2 certified people #### Address * 6951 Allentown Blvd, Harrisburg, PA * ✉ [dave@spruce.com](mailto:dave@spruce.com) * ✉ [sprice@spruce.com](mailto:sprice@spruce.com) * [spruce.com](https://spruce.com/) #### Certified individuals * Kapturowski, David (lab #1935) * Price, Shawn (lab #3583) #### DEP cert IDs lab #1935 · lab #3583 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyLab.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F1935) [**Call** (717) 274-8310](tel:7172748310) ## Neighboring counties [Cumberland](https://radonroster.com/pa/county/cumberland/) (6 firms) · [Juniata](https://radonroster.com/pa/county/juniata/) (0 firms) · [Lancaster](https://radonroster.com/pa/county/lancaster/) (9 firms) · [Lebanon](https://radonroster.com/pa/county/lebanon/) (4 firms) · [Northumberland](https://radonroster.com/pa/county/northumberland/) (1 firms) · [Perry](https://radonroster.com/pa/county/perry/) (1 firms) · [Schuylkill](https://radonroster.com/pa/county/schuylkill/) (5 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 [Harrisburg](https://radonroster.com/pa/city/harrisburg-pa/) ([guide](https://radonroster.com/pa/city/harrisburg-pa/radon-guide/)) · [Hershey](https://radonroster.com/pa/city/hershey-pa/) ([guide](https://radonroster.com/pa/city/hershey-pa/radon-guide/)) ## Hiring a radon pro in Dauphin County: quick guide With 51% of 67,255 basement tests at or above 4 pCi/L (above the 37% statewide share), Dauphin County has 5 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 Harrisburg](https://radonroster.com/pa/city/harrisburg-pa/radon-guide/) · [How to find a radon expert in Hershey](https://radonroster.com/pa/city/hershey-pa/radon-guide/) ## Frequently asked questions **How many certified radon mitigation firms are in Dauphin County?** 5 DEP-certified firms offering mitigation and 9 certified radon firms in total list a business address in Dauphin County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area. **What share of Dauphin County radon tests are high?** 51% of 67,255 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 4.1 pCi/L. **How much does radon mitigation cost in Dauphin 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 Dauphin mitigators[Request quotes](https://radonroster.com/get-quotes/?county=dauphin) Our advice ## Before you hire in Dauphin 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 Dauphin. [Request quotes](https://radonroster.com/get-quotes/?county=dauphin)