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Radon testing & mitigation in Canonsburg, PA

Canonsburg sits in Washington County. In the PA DEP test dataset, 9,725 basement radon tests carry a Canonsburg address. Their median was 2.6 pCi/L, and 29% came in at or above EPA's 4 pCi/L action level. Across all of Washington County it was 34%, and statewide 37%. Even where the average is lower, neighboring houses can test very differently, so every home should be tested.

Canonsburg radon test data

Canonsburg29%
Washington Co.34%
Statewide37%

Share of basement tests ≥ 4 pCi/L

2.6median pCi/L
9,725tests on record
4firms based here

City figures come from the municipality / mailing-address name in PA DEP's Radon Test Results (computed 2026-10-11). They count tests, not homes.

Below are the PA DEP-certified firms with a business address in Canonsburg, then other firms in Washington County, then mitigation firms in the counties next door. Certified pros often travel, so ask each one whether they cover your street.

Read the Canonsburg radon hiring guide → (how to verify certification, questions to ask, costs, FAQ)

Firms based in Canonsburg (4)

Radon testing (4 firms)

Heritage Home Insp

⚠ Name may be cut off in DEP records
✓ PA DEP certifiedTesting
Canonsburg1 certified person

Address

Certified individuals

  • Sobetsky, Cami (testing #9003)

DEP cert IDs

testing #9003

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (888) 308-4018

Heritage Home Inspectors

✓ PA DEP certifiedTesting
Canonsburg3 certified people

Address

Certified individuals

  • Clifford, Tyler (testing #9076)
  • Morris, Stephen (testing #3335)
  • Morris,Evan (testing #9131)

DEP cert IDs

testing #3335 · testing #3569 · testing #9076 · testing #9131

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (888) 308-4018

Jaworski, Mark

✓ PA DEP certifiedTesting
Canonsburg1 certified person

Address

Certified individuals

  • Jaworski, Mark (testing #2935)

DEP cert IDs

testing #2935

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (412) 583-7962

Lydic, Joseph

✓ PA DEP certifiedTesting
Canonsburg1 certified person

Address

Certified individuals

  • Lydic, Joseph (testing #3397)

DEP cert IDs

testing #3397

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (412) 912-8686

Elsewhere in Washington County (3)

Radon mitigation (reduction systems) (1 firm)

Firms certified to install radon reduction systems. Firms that also test are shown here once.

Home Radon Pros

✓ PA DEP certifiedMitigationTesting
Venetia9 certified people

Certified individuals

  • Anesin, Richard (mitigation #7704)
  • Broomhead, Steven (mitigation #7673)
  • Kail, Alexander (mitigation #7703)
  • Kail, William (testing #3238, mitigation #3238)
  • Kail, William Jr. (mitigation #7674)
  • Lanham, Joshua (mitigation #7602)
  • Mcauley, Daniel (mitigation #7600)
  • Mihalik, Joseph (mitigation #7264)
  • Moon, Ethan (mitigation #7718)

DEP cert IDs

mitigation #3238 · mitigation #3476 · mitigation #7264 · mitigation #7600 · mitigation #7602 · mitigation #7673 · mitigation #7674 · mitigation #7703 · mitigation #7704 · mitigation #7718 · testing #3238

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (412) 584-0799

Radon testing (2 firms)

Tayzak Inc

✓ PA DEP certifiedTesting
Mc Donald1 certified person

Address

  • 523 Burnside Rd, Mc Donald, PA
  • ✉ jim.zaminska@pillartopost,com (as listed (as printed by DEP; may be incomplete)
  • ✉ may be truncated) (as printed by DEP; may be incomplete)

Certified individuals

  • Bellhy, Thomas (testing #8854)

DEP cert IDs

testing #8854

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 513-0832

Klein Jr., Robert Scott

✓ PA DEP certifiedTesting
Mcmurray1 certified person

Address

Certified individuals

  • Klein Jr., Robert Scott (testing #2880)

DEP cert IDs

testing #2880

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 413-5522

Mitigation firms in neighboring counties (12)

Bacchus, Brian C.

✓ PA DEP certifiedMitigationTestingAllegheny County
Wexford1 certified person

Address

Certified individuals

  • Bacchus, Brian C. (testing #1771, mitigation #1771)

DEP cert IDs

mitigation #1771 · testing #1771

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 940-3366

Buffone, Steven

✓ PA DEP certifiedMitigationTestingAllegheny County
Pittsburgh1 certified person

Address

Certified individuals

  • Buffone, Steven (testing #3700, mitigation #3700)

DEP cert IDs

mitigation #3700 · testing #3700

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (330) 717-4061

Shaffer, Jon

✓ PA DEP certifiedMitigationAllegheny County
Pittsburgh1 certified person

Address

Certified individuals

  • Shaffer, Jon (mitigation #2499)

DEP cert IDs

mitigation #2499

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 772-2200

Steel City Radon

✓ PA DEP certifiedMitigationAllegheny County
Pittsburgh2 certified people

Address

Certified individuals

  • Nowicki, Michael (mitigation #2038)
  • Nowicki, Susan (mitigation #7315)

DEP cert IDs

mitigation #2002 · mitigation #2038 · mitigation #7315

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (412) 851-4231

Alpha Radon, LLC

✓ PA DEP certifiedMitigationTestingBeaver County
Aliquippa2 certified people

Address

Certified individuals

  • Hoenig, Bryce (mitigation #3322)
  • Micco, Alexander (testing #3321)

DEP cert IDs

mitigation #3322 · testing #3321

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 480-5828

Muller, Paul

✓ PA DEP certifiedMitigationBeaver County
Freedom1 certified person

Address

Certified individuals

  • Muller, Paul (mitigation #3326)

DEP cert IDs

mitigation #3326

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (412) 585-0217

Radon Detection And Control

✓ PA DEP certifiedMitigationTestingBeaver County
South Heights15 certified people

Address

Certified individuals

  • Adams, John (mitigation #7524)
  • Bertko, Kenneth (mitigation #7727)
  • Garofalo, Ronald (mitigation #7089, testing #8379)
  • Helms, David (mitigation #7669)
  • Hughes, Victor (mitigation #7172)
  • Krasinski, Don (mitigation #7093)
  • Krasinski, Joe (mitigation #7521)
  • Krasinski, Paul (mitigation #7094)
  • Mallon, John B., Jr. (testing #0492, mitigation #0492)
  • Mallon, Robert (mitigation #3027, testing #8684)
  • Mycyk, Nate (mitigation #7092)
  • Norton, Eric (mitigation #7670)
  • Payne, Randy (testing #9078)
  • Taylor, Skylan (mitigation #7696)
  • Veon, Faith (testing #8810)

DEP cert IDs

mitigation #0492 · mitigation #0493 · mitigation #3027 · mitigation #7089 · mitigation #7092 · mitigation #7093 · mitigation #7094 · mitigation #7172 · mitigation #7521 · mitigation #7524 · mitigation #7669 · mitigation #7670 · mitigation #7696 · mitigation #7727 · testing #0492 · testing #0493 · testing #8379 · testing #8684 · testing #8810 · testing #9078

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 375-1700

Blank, Mathew

✓ PA DEP certifiedMitigationWestmoreland County
Trafford1 certified person

Address

Certified individuals

  • Blank, Mathew (mitigation #3696)

DEP cert IDs

mitigation #3696

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 515-9414

Main Street Radon Remediation

✓ PA DEP certifiedMitigationTestingWestmoreland County
Irwin1 certified person

Address

Certified individuals

  • Warhold, Chad (testing #3689, mitigation #3689)

DEP cert IDs

mitigation #3689 · mitigation #3690 · testing #3689 · testing #3690

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 744-8006

Martin, Alexander

✓ PA DEP certifiedMitigationTestingWestmoreland County
New Florence1 certified person

Address

Certified individuals

  • Martin, Alexander (testing #3631, mitigation #3631)

DEP cert IDs

mitigation #3631 · testing #3631

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (814) 418-7158

Petrill, Jerry A.

✓ PA DEP certifiedMitigationWestmoreland County
Greensburg1 certified person

Address

Certified individuals

  • Petrill, Jerry A. (mitigation #1801)

DEP cert IDs

mitigation #1801

Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (724) 289-8632

Restoration Contracting Services In

⚠ Name may be cut off in DEP records
✓ PA DEP certifiedMitigationTestingWestmoreland County
New Kensington3 certified people

Address

Certified individuals

  • Angelini, Kenneth (mitigation #7534)
  • Bonura, Jr., Michael (testing #3219, mitigation #3219)
  • Bonura, Zeke (mitigation #7650)

DEP cert IDs

mitigation #3219 · mitigation #3220 · mitigation #7534 · mitigation #7650 · testing #3219

Source: DEP list DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing

Call (412) 379-3278

Washington County radon test data

Washington34%
Statewide37%

Share of basement tests ≥ 4 pCi/L

2.9median basement pCi/L
38,759basement tests on record
#54of 67 PA counties by share ≥ 4

First floor: 21% of 2,316 tests ≥ 4 pCi/L, median 1.8

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.

All Washington County listings → · Canonsburg radon guide

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