--- title: "Certified Radon Mitigation & Testing in Butler County, PA | Radon Roster" description: "12 PA DEP-certified radon firms in Butler County: 47% of basement tests at or above 4 pCi/L. Contacts, DEP cert IDs and local data." canonical: https://radonroster.com/pa/county/butler/ --- [Pennsylvania](https://radonroster.com/)›[Counties](https://radonroster.com/pa/counties/)›Butler # Radon testing & mitigation in Butler County, PA 47% 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. ## Butler County radon test data Butler**47%** Statewide**37%** Share of basement tests ≥ 4 pCi/L **3.6**median basement pCi/L **45,628**basement tests on record **#32**of 67 PA counties by share ≥ 4 First floor: **30%** of 3,207 tests ≥ 4 pCi/L, median 2.2 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. **12 DEP-certified firms** have a business address in Butler County (1 offer mitigation), with 25 certified individuals between them. [Get free quotes](https://radonroster.com/get-quotes/?county=butler) [Mitigation1](#mitigation)[Testing11](#testing)Labs 0Ordered by town, then name · never by payment ## Radon mitigation (reduction systems) (1 firm) Firms certified to install radon reduction systems. Firms that also test are shown here once. ### Kennihan Plumbing And Heating Inc ✓ PA DEP certifiedMitigation Valencia4 certified people #### Address * 530 Steiner Bridge Rd, Valencia, PA * ✉ [bill@kennihans.com](mailto:bill@kennihans.com) * [kennihans.com](https://www.kennihans.com/) #### Certified individuals * Himme, Gregory L. (mitigation #7632) * Kennihan, Jerome (mitigation #7719) * Kennihan, William (mitigation #3535) * Tosi, Zachary C. (mitigation #7630) #### DEP cert IDs mitigation #3535 · mitigation #3536 · mitigation #7630 · mitigation #7632 · mitigation #7719 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=F3535) [**Call** (724) 898-2587](tel:7248982587) ## Radon testing (11 firms) ### Supik, Joshua ✓ PA DEP certifiedTesting Cabot1 certified person #### Address * 144 Wetzel Rd, Cabot, PA * ✉ [supikhomeinspector@gmail.com](mailto:supikhomeinspector@gmail.com) #### Certified individuals * Supik, Joshua (testing #3320) #### DEP cert IDs testing #3320 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=F3320) [**Call** (724) 994-0333](tel:7249940333) ### Cei/Housemaster Home Inspections ✓ PA DEP certifiedTesting Cranberry Townsh8 certified people #### Address * 9125 Marshall Rd Ste B12, Cranberry Townsh, PA * ✉ [daniel.ayers@housemaster.com](mailto:daniel.ayers@housemaster.com) * ✉ [ivan.cilik@housemaster.com](mailto:ivan.cilik@housemaster.com) * [housemaster.com](https://housemaster.com/) #### Certified individuals * Ayers, Dan (testing #3385) * Cilik, Ivan (testing #2873) * Crane, Fred (testing #8327) * Crane, Kevin (testing #2011) * Laporta, Jr., Ronald (testing #3327) * Marlier, Steven (testing #9096) * Polczynski, Scott (testing #8838) * Richardson, Jr., George (testing #8664) #### DEP cert IDs testing #1230 · testing #2011 · testing #2012 · testing #2873 · testing #3327 · testing #3385 · testing #8327 · testing #8664 · testing #8838 · testing #9096 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=F1230) [**Call** (724) 772-5593](tel:7247725593) ### Ecs Mid-Atlantic LLC ✓ PA DEP certifiedTesting Cranberry Townsh3 certified people #### Address * 100 E Kensinger Dr, Cranberry Townsh, PA * ✉ [bbehrens@ecslimited.com](mailto:bbehrens@ecslimited.com) #### Certified individuals * Behrens, Brian (testing #3763) * Swick, Ariana (testing #9148) * Wolf, Jamie (testing #9147) #### DEP cert IDs testing #3275 · testing #3763 · testing #9147 · testing #9148 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=F3275) [**Call** (412) 206-1470](tel:4122061470) ### Staniland, William ✓ PA DEP certifiedTesting Cranberry Townsh1 certified person #### Address * 706 Russett Meadow Ct, Cranberry Townsh, PA * ✉ [bstani@zoominternet.net](mailto:bstani@zoominternet.net) #### Certified individuals * Staniland, William (testing #2734) #### DEP cert IDs testing #2734 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=F2734) [**Call** (724) 742-2776](tel:7247422776) ### West, Aaron ✓ PA DEP certifiedTesting Cranberry Townsh1 certified person #### Address * 1675 Route 228 #1068, Cranberry Townsh, PA * ✉ [aaron.west@keystonecastleinspections.com](mailto:aaron.west@keystonecastleinspections.com) * [keystonecastleinspections.com](https://www.keystonecastleinspections.com/) #### Certified individuals * West, Aaron (testing #3709) #### DEP cert IDs testing #3709 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=F3709) [**Call** (412) 204-6149](tel:4122046149) ### Amerispec Home In ⚠ Name may be cut off in DEP records ✓ PA DEP certifiedTesting Harmony3 certified people #### Address * 100 Rylie Dr, Harmony, PA * ✉ [ronega@amerispec.net](mailto:ronega@amerispec.net) * [amerispec.com](https://www.amerispec.com/) #### Certified individuals * Campbell, Jason (testing #8896) * Onega, Richard N (testing #8729) * Peffer, Leonard (testing #8897) #### DEP cert IDs testing #8729 · testing #8896 · testing #8897 Source: [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/CountyTest.pdf) [DEP list](https://files.dep.state.pa.us/RadiationProtection/RadonDivision/RDPortalFiles/2026/10_01/WebTestAlpha.pdf), retrieved 2026-10-11 · [Claim, correct or remove this listing](https://radonroster.com/claim-listing/?firm=F8729) [**Call** (724) 452-5025](tel:7244525025) ### Onega LLC ✓ PA DEP certifiedTesting HarmonyCertified firm #### Address * 100 Rylie Dr, Harmony, PA * ✉ [ronega@zoominternet.net](mailto:ronega@zoominternet.net) #### Certified individuals * None listed separately #### DEP cert IDs testing #2522 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=F2522) [**Call** (724) 452-5025](tel:7244525025) ### Onega LLC ✓ PA DEP certifiedTesting Harmony1 certified person #### Address * 100 Rylie Dr, Harmony, PA * ✉ [rich.onega@onegainspect.com](mailto:rich.onega@onegainspect.com) * [onegainspect.com](https://www.onegainspect.com/) #### Certified individuals * Onega, Richard (testing #2386) #### DEP cert IDs testing #2386 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=F2386) [**Call** (724) 452-5025](tel:7244525025) ### Kampi, Brian ✓ PA DEP certifiedTesting Mars1 certified person #### Address * 2175 Ridge Dr, Mars, PA * ✉ [gohomefrontllc@gmail.com](mailto:gohomefrontllc@gmail.com) #### Certified individuals * Kampi, Brian (testing #2618) #### DEP cert IDs testing #2618 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=F2618) [**Call** (412) 367-0707](tel:4123670707) ### Ritenour, Shelbi ✓ PA DEP certifiedTesting Saxonburg1 certified person #### Address * 315 Knoch Rd, Saxonburg, PA * ✉ [bartoshomeinspections@gmail.com](mailto:bartoshomeinspections@gmail.com) #### Certified individuals * Ritenour, Shelbi (testing #3562) #### DEP cert IDs testing #3562 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=F3562) [**Call** (724) 504-3804](tel:7245043804) ### Barto, Richard ✓ PA DEP certifiedTesting Slippery Rock1 certified person #### Address * 112 Shields Ln, Slippery Rock, PA * ✉ [richbarto@gmail.com](mailto:richbarto@gmail.com) #### Certified individuals * Barto, Richard (testing #2477) #### DEP cert IDs testing #2477 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=F2477) [**Call** (724) 504-2746](tel:7245042746) ## Neighboring counties [Allegheny](https://radonroster.com/pa/county/allegheny/) (44 firms) · [Armstrong](https://radonroster.com/pa/county/armstrong/) (2 firms) · [Beaver](https://radonroster.com/pa/county/beaver/) (6 firms) · [Clarion](https://radonroster.com/pa/county/clarion/) (0 firms) · [Lawrence](https://radonroster.com/pa/county/lawrence/) (2 firms) · [Mercer](https://radonroster.com/pa/county/mercer/) (0 firms) · [Venango](https://radonroster.com/pa/county/venango/) (2 firms). Firms often serve across county lines. Adjacency from U.S. Census Bureau county adjacency file. ## City pages & guides [Cranberry Township](https://radonroster.com/pa/city/cranberry-township-pa/) ([guide](https://radonroster.com/pa/city/cranberry-township-pa/radon-guide/)) ## Hiring a radon pro in Butler County: quick guide With 47% of 45,628 basement tests at or above 4 pCi/L (above the 37% statewide share), Butler County has 1 DEP-certified mitigation firm 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 Cranberry Township](https://radonroster.com/pa/city/cranberry-township-pa/radon-guide/) ## Frequently asked questions **How many certified radon mitigation firms are in Butler County?** 1 DEP-certified firms offering mitigation and 12 certified radon firms in total list a business address in Butler County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area. **What share of Butler County radon tests are high?** 47% of 45,628 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 3.6 pCi/L. **How much does radon mitigation cost in Butler 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 Butler mitigators[Request quotes](https://radonroster.com/get-quotes/?county=butler) Our advice ## Before you hire in Butler 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 Butler. [Request quotes](https://radonroster.com/get-quotes/?county=butler)