--- title: "Radon Testing & Mitigation in Philadelphia, PA | Certified Pros & Local Data" description: "12% of 144,527 basement radon tests in Philadelphia, PA were at or above 4 pCi/L (PA DEP data). Find DEP-certified radon testers and mitigators nearby." canonical: https://radonroster.com/pa/city/philadelphia-pa/ --- [Pennsylvania](https://radonroster.com/)›[Cities](https://radonroster.com/pa/cities/)›Philadelphia # Radon testing & mitigation in Philadelphia, PA Philadelphia sits in Philadelphia County. In the PA DEP test dataset, 144,527 basement radon tests carry a Philadelphia address. Their median was **1.6 pCi/L**, and **12%** came in at or above EPA's 4 pCi/L action level. Across all of Philadelphia County it was 12%, and statewide 37%. Even where the average is lower, neighboring houses can test very differently, so every home should be tested. ## Philadelphia radon test data Philadelphia**12%** Philadelphia Co.**12%** Statewide**37%** Share of basement tests ≥ 4 pCi/L **1.6**median pCi/L **144,527**tests on record **10**firms based here City figures come from the municipality / mailing-address name in [PA DEP's Radon Test Results](https://data.pa.gov/Energy-and-the-Environment/Radon-Test-Results-September-1986-Current-Annual-C/vkjb-sx3k) (computed 2026-10-11). They count tests, not homes. Below are the PA DEP-certified firms with a business address in Philadelphia, then other firms in Philadelphia County, then mitigation firms in the counties next door. Certified pros often travel, so ask each one whether they cover your street. [**Read the Philadelphia radon hiring guide →**](https://radonroster.com/pa/city/philadelphia-pa/radon-guide/) (how to verify certification, questions to ask, costs, FAQ) ## Firms based in Philadelphia (10) [Mitigation2](#local-mitigation)[Testing8](#local-testing)Labs 0Ordered by town, then name · never by payment ## Radon mitigation (reduction systems) (2 firms) Firms certified to install radon reduction systems. Firms that also test are shown here once. ### Rvs Radon Mitigation ⚠ Name may be cut off in DEP records ✓ PA DEP certifiedMitigation Philadelphia1 certified person #### Address * 294 E Cheltenham Ave, Philadelphia, PA #### Certified individuals * Tabora, Bryann (mitigation #7735) #### DEP cert IDs mitigation #7735 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=F7735) [**Call** (267) 269-5573](tel:2672695573) ### Rvs Radon Mitigation, LLC. ✓ PA DEP certifiedMitigation Philadelphia3 certified people #### Address * 294 E Cheltenham Ave, Philadelphia, PA * ✉ [tony@rvsradon.com](mailto:tony@rvsradon.com) * [rvsradon.com](https://www.rvsradon.com/) #### Certified individuals * Bastidas, Juan D. (mitigation #7697) * Gonzalez, Juan Antonio (mitigation #3458) * Tituana, Ivan (mitigation #7725) #### DEP cert IDs mitigation #3458 · mitigation #3594 · mitigation #7697 · mitigation #7725 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=F3458) [**Call** (267) 269-5573](tel:2672695573) ## Radon testing (8 firms) ### Borkowski, Patrick ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * Po Box 63827, Philadelphia, PA * ✉ [info@apexinspections.net](mailto:info@apexinspections.net) * [apexinspections.net](https://apexinspections.net/) #### Certified individuals * Borkowski, Patrick (testing #2497) #### DEP cert IDs testing #2497 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=F2497) [**Call** (888) 927-3944](tel:8889273944) ### Dunn, Jr., William ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * 3111 S 19Th St, Philadelphia, PA * ✉ [willdunn430@gmail.com](mailto:willdunn430@gmail.com) #### Certified individuals * Dunn, Jr., William (testing #3374) #### DEP cert IDs testing #3374 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=F3374) [**Call** (215) 284-1737](tel:2152841737) ### Geo Environmental ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * Po Box 33450, Philadelphia, PA * ✉ [geotristate@gmail.com](mailto:geotristate@gmail.com) #### Certified individuals * Lerro, Joseph (testing #8701) #### DEP cert IDs testing #8701 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=F8701) [**Call** (215) 778-7118](tel:2157787118) ### Lampe, Bruce D. ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * 9615 Berea St, Philadelphia, PA * ✉ [medhomeinsp@aol.com](mailto:medhomeinsp@aol.com) #### Certified individuals * Lampe, Bruce D. (testing #2188) #### DEP cert IDs testing #2188 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=F2188) [**Call** (215) 632-4220](tel:2156324220) ### Mazzio, Michael ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * 8203 Dorcas St, Philadelphia, PA * ✉ [absoluteenvirotesting@gmail.co](mailto:absoluteenvirotesting@gmail.co) #### Certified individuals * Mazzio, Michael (testing #3677) #### DEP cert IDs testing #3677 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=F3677) [**Call** (215) 280-5473](tel:2152805473) ### Serrano, Moises ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * 3446 Reach Street, Philadelphia, PA * ✉ [moises@libertyradondiagnostics.com](mailto:moises@libertyradondiagnostics.com) #### Certified individuals * Serrano, Moises (testing #3746) #### DEP cert IDs testing #3746 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=F3746) [**Call** (215) 800-9528](tel:2158009528) ### Valueguard Usa, Inc. ✓ PA DEP certifiedTesting Philadelphia6 certified people #### Address * 100 E Penn Sq Ste 400, Philadelphia, PA * ✉ [chase@valueguardusa.com](mailto:chase@valueguardusa.com) * ✉ [team@valueguardusa.com](mailto:team@valueguardusa.com) #### Certified individuals * Baltrush, Michael (testing #9053) * Gilger, Tyler (testing #9030) * Maralado, Matt (testing #8788) * Millard, Chase (testing #2740) * Royer, James (testing #9031) * Shalaway, Cory (testing #9016) #### DEP cert IDs testing #1910 · testing #2740 · testing #8788 · testing #9016 · testing #9030 · testing #9031 · testing #9053 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=F1910) [**Call** (215) 860-3150](tel:2158603150) ### Yeager, Joseph ✓ PA DEP certifiedTesting Philadelphia1 certified person #### Address * 185 Levering Street, Philadelphia, PA * ✉ [joseph.s.yeager@gmail.com](mailto:joseph.s.yeager@gmail.com) #### Certified individuals * Yeager, Joseph (testing #3503) #### DEP cert IDs testing #3503 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=F3503) [**Call** (215) 205-4453](tel:2152054453) ## Mitigation firms in neighboring counties (13) ### Indoor Air Surgeons, LLC ✓ PA DEP certifiedMitigationBucks County Bensalem1 certified person #### Address * 3070 Bristol Pike, Bensalem, PA * ✉ [coreinspectiongroup@gmail.com](mailto:coreinspectiongroup@gmail.com) #### Certified individuals * Jackson, Corwin (mitigation #3063) #### DEP cert IDs mitigation #3063 · mitigation #3347 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=F3063) [**Call** (215) 239-8628](tel:2152398628) ### Insight Property Services ✓ PA DEP certifiedMitigationTestingBucks County Doylestown1 certified person #### Address * 368 Pine Run Rd, Doylestown, PA * ✉ [insightinspect@comcast.net](mailto:insightinspect@comcast.net) * [insightservices-pa.com](https://www.insightservices-pa.com/) #### Certified individuals * Schluth, Edward M. (testing #1990, mitigation #1990) #### DEP cert IDs mitigation #1990 · testing #1990 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=F1990) [**Call** (215) 674-1808](tel:2156741808) ### The Radon Bros ✓ PA DEP certifiedMitigationTestingBucks County Quakertown3 certified people #### Address * 2288 Township Rd, Quakertown, PA * ✉ [sales.theradonbros@gmail.com](mailto:sales.theradonbros@gmail.com) * ✉ [theradonbros@gmail.com](mailto:theradonbros@gmail.com) #### Certified individuals * Griffith, Bryan (testing #9106, mitigation #7668) * Mcgann, Edward (testing #9104, mitigation #7712) * Smith, Jacob (testing #9105) #### DEP cert IDs mitigation #3556 · mitigation #7668 · mitigation #7712 · testing #3714 · testing #9104 · testing #9105 · testing #9106 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=F3556) [**Call** (484) 460-9697](tel:4844609697) ### The Radon Bros ✓ PA DEP certifiedMitigationBucks County Quakertown1 certified person #### Address * 2288 Township Road, Quakertown, PA * ✉ [sales.theradonbros@gmail.com](mailto:sales.theradonbros@gmail.com) #### Certified individuals * Smith, Jacob (mitigation #7699) #### DEP cert IDs mitigation #7699 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=F7699) [**Call** (484) 460-9697](tel:4844609697) ### Olinchak, Gary ✓ PA DEP certifiedMitigationDelaware County Crum Lynne1 certified person #### Address * 512 Smiley St, Crum Lynne, PA * ✉ [golinchak@aol.com](mailto:golinchak@aol.com) #### Certified individuals * Olinchak, Gary (mitigation #3003) #### DEP cert IDs mitigation #3003 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=F3003) [**Call** (610) 909-4356](tel:6109094356) ### Accurate Radon Control Inc ✓ PA DEP certifiedMitigationTestingMontgomery County Green Lane2 certified people #### Address * Po Box 296, Green Lane, PA * ✉ [dave@accurateradoncontrol.com](mailto:dave@accurateradoncontrol.com) * [accurateradoncontrol.com](https://accurateradoncontrol.com/) #### Certified individuals * Demar, David (testing #2112, mitigation #2112) * Demar, Zachariah (mitigation #7709) #### DEP cert IDs mitigation #2112 · mitigation #2113 · mitigation #7709 · testing #2112 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=F2112) [**Call** (215) 541-1557](tel:2155411557) ### Air Quality Control, Inc. ✓ PA DEP certifiedMitigationMontgomery County King Of Prussia1 certified person #### Address * 630 Freedom Business Ctr, King Of Prussia, PA * ✉ [roger@aqc-radon.com](mailto:roger@aqc-radon.com) * [aqc-radon.com](http://www.aqc-radon.com/) #### Certified individuals * Burens, Jr., Roger (mitigation #1862) #### DEP cert IDs mitigation #1862 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=F1862) [**Call** (610) 239-4212](tel:6102394212) ### Airotox ✓ PA DEP certifiedMitigationMontgomery County Lansdale3 certified people #### Address * 14 E Main St, Lansdale, PA * ✉ [info@airotox.com](mailto:info@airotox.com) * [airotox.com](https://airotox.com/) #### Certified individuals * Achuff, Mark (mitigation #2741) * Achuff, Matthew (mitigation #7422) * Achuff, Ryan (mitigation #7424) #### DEP cert IDs mitigation #2741 · mitigation #3109 · mitigation #7422 · mitigation #7424 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=F2741) [**Call** (215) 247-6869](tel:2152476869) ### Gentry, Timothy J. ✓ PA DEP certifiedMitigationTestingMontgomery County Horsham1 certified person #### Address * Po Box 1642, Horsham, PA * ✉ [homeinspectiondetective@comcast.net](mailto:homeinspectiondetective@comcast.net) #### Certified individuals * Gentry, Timothy J. (testing #2217, mitigation #2217) #### DEP cert IDs mitigation #2217 · testing #2217 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=F2217) [**Call** (215) 672-8529](tel:2156728529) ### Radon Technology & Enviromental Inc ✓ PA DEP certifiedMitigationMontgomery County Royersford5 certified people #### Address * 828 Oak St, Royersford, PA * ✉ [info@wefixradon.com](mailto:info@wefixradon.com) #### Certified individuals * Carney, Matthew (mitigation #7364) * Hadfield, John (mitigation #7627) * Kollmeyer, Jr., Bruce (mitigation #3024) * Kollmeyer, Shane (mitigation #7441) * Kollmeyer, Sr, Bruce (mitigation #7047) #### DEP cert IDs mitigation #1308 · mitigation #3024 · mitigation #7047 · mitigation #7364 · mitigation #7441 · mitigation #7627 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=F1308) [**Call** (610) 495-2810](tel:6104952810) ### Radon-Rid LLC ✓ PA DEP certifiedMitigationTestingMontgomery County Phoenixville1 certified person #### Address * 693 Egypt Rd, Phoenixville, PA * ✉ [info@radonrid.com](mailto:info@radonrid.com) * [radonrid.com](https://www.radonrid.com/) #### Certified individuals * Marino, Marc A. (testing #2585, mitigation #2585) #### DEP cert IDs mitigation #2585 · mitigation #2586 · testing #2585 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=F2585) [**Call** (610) 222-2273](tel:6102222273) ### The Radon Bros ✓ PA DEP certifiedMitigationTestingMontgomery County Perkiomenville2 certified people #### Address * 2522 Deep Creek Rd, Perkiomenville, PA * ✉ [ballen@theradonbros.com](mailto:ballen@theradonbros.com) * ✉ [thollingsworth@theradonbros.com](mailto:thollingsworth@theradonbros.com) * [theradonbros.com](https://theradonbros.com/) #### Certified individuals * Allen, Brian (testing #3585) * Hollingsworth, Thomas (testing #2749, mitigation #2749) #### DEP cert IDs mitigation #2749 · testing #2749 · testing #3585 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=F2749) [**Call** (484) 460-9697](tel:4844609697) ### Yorgey, David ✓ PA DEP certifiedMitigationMontgomery County Conshohocken1 certified person #### Address * 347 Roberts Ave, Conshohocken, PA * ✉ [primeradonmitigation@gmail.com](mailto:primeradonmitigation@gmail.com) #### Certified individuals * Yorgey, David (mitigation #3758) #### DEP cert IDs mitigation #3758 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=F3758) [**Call** (215) 510-6762](tel:2155106762) ## Philadelphia County radon test data Philadelphia**12%** Statewide**37%** Share of basement tests ≥ 4 pCi/L **1.7**median basement pCi/L **155,445**basement tests on record **#67**of 67 PA counties by share ≥ 4 First floor: **5%** of 20,065 tests ≥ 4 pCi/L, median 1.0 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. [All Philadelphia County listings →](https://radonroster.com/pa/county/philadelphia/) · [Philadelphia radon guide](https://radonroster.com/pa/city/philadelphia-pa/radon-guide/) **Want firms to contact you?**One request to Philadelphia mitigators[Request quotes](https://radonroster.com/get-quotes/?city=philadelphia) Our advice ## Before you hire in Philadelphia 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 Philadelphia. [Request quotes](https://radonroster.com/get-quotes/?city=philadelphia)