Radon testing & mitigation in Northampton County, PA
48% 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.
Northampton County radon test data
Share of basement tests ≥ 4 pCi/L
First floor: 26% of 12,307 tests ≥ 4 pCi/L, median 1.7
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.
7 DEP-certified firms have a business address in Northampton County (1 offer mitigation), with 14 certified individuals between them. Get free quotes
Radon mitigation (reduction systems) (1 firm)
Firms certified to install radon reduction systems. Firms that also test are shown here once.
Cruz, Luis
✓ PA DEP certifiedMitigationNorthampton1 certified person
Cruz, Luis
✓ PA DEP certifiedMitigationAddress
- 4086 Sycamore Dr, Northampton, PA
- ✉ lehighradonsolutions@gmail.com
Certified individuals
- Cruz, Luis (mitigation #3712)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Radon testing (6 firms)
Doll, Justin
✓ PA DEP certifiedTestingBethlehem1 certified person
Doll, Justin
✓ PA DEP certifiedTestingAddress
- 1512 Dennis St, Bethlehem, PA
- ✉ justin@fairwindsinpections.com
Certified individuals
- Doll, Justin (testing #3694)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Bpg Inspection, LLC
✓ PA DEP certifiedTestingEaston8 certified people
Bpg Inspection, LLC
✓ PA DEP certifiedTestingAddress
- 2305 Lone Cedar Dr, Easton, PA
- ✉ larry@integrityinspection.com
Certified individuals
- Coles, Joshua (testing #9073)
- Connor, William (testing #9115)
- Hicks, Jeffrey (testing #8638)
- Murray, William (testing #8893)
- Paden, Brendon (testing #8945)
- Shultz, Jason (testing #9089)
- Transue, Lawrence (testing #1914)
- Weikel, Dave (testing #8837)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Catanzareti, Bernard
✓ PA DEP certifiedTestingEaston1 certified person
Catanzareti, Bernard
✓ PA DEP certifiedTestingAddress
- 1177 Dewalt Dr, Easton, PA
- ✉ bernie@pennjerseyinspection.com
Certified individuals
- Catanzareti, Bernard (testing #2825)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Morris, Albert R.
✓ PA DEP certifiedTestingEaston1 certified person
Morris, Albert R.
✓ PA DEP certifiedTestingAddress
- 35 Clarendon Dr, Easton, PA
- ✉ almorrishomeinspections@gmail.com
Certified individuals
- Morris, Albert R. (testing #3523)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Pragle, Derek
✓ PA DEP certifiedTestingMount Bethel1 certified person
Pragle, Derek
✓ PA DEP certifiedTestingAddress
- 1728 S Delaware Dr, Mount Bethel, PA
- ✉ accuviewhome@outlook.com
Certified individuals
- Pragle, Derek (testing #3386)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Talarico, Frank
✓ PA DEP certifiedTestingNazareth1 certified person
Talarico, Frank
✓ PA DEP certifiedTestingAddress
- 2062 Fieldview Dr, Nazareth, PA
- ✉ info@lehighvalleyradontesters.com
Certified individuals
- Talarico, Frank (testing #3693)
DEP cert IDs
Source: DEP list, retrieved 2026-10-11 · Claim, correct or remove this listing
Neighboring counties
Bucks (19 firms) · Carbon (2 firms) · Lehigh (11 firms) · Monroe (11 firms). Firms often serve across county lines.
Adjacency from U.S. Census Bureau county adjacency file.
City pages & guides
Bethlehem (guide) · Easton (guide)
Hiring a radon pro in Northampton County: quick guide
With 48% of 78,045 basement tests at or above 4 pCi/L (above the 37% statewide share), Northampton County has 1 DEP-certified mitigation firm based locally.
- Verify: check the firm in the PA DEP Radon Services Directory, ask for the DEP ID (25 Pa. Code Chapter 240), or call 800-237-2366.
- Typical cost: $786-$1,274 for a mitigation system, national range from the HomeAdvisor cost guide.
- Selling or buying: PA's seller disclosure form asks about known radon and past tests (49 Pa. Code § 35.335a).
Detailed local guides: How to find a radon expert in Bethlehem · How to find a radon expert in Easton
Frequently asked questions
How many certified radon mitigation firms are in Northampton County?
1 DEP-certified firms offering mitigation and 7 certified radon firms in total list a business address in Northampton County (PA DEP lists dated 10/01/2026). Firms from neighboring counties may also serve the area.
What share of Northampton County radon tests are high?
48% of 78,045 basement tests in PA DEP's records were at or above EPA's 4 pCi/L action level, with a median of 3.7 pCi/L.
How much does radon mitigation cost in Northampton 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.