Radon mitigation · Harrisburg, PA · PA DEP list read October 1, 2026
Enviroquest
Radon mitigation and testing certifications on the DEP Radon Services Directory. 1738 N 3rd St A, Harrisburg, PA 17102.
2mitigation certifications on the list
3testing certifications too
4.8Google rating, 312 reviews
Licenses on the PA DEP list
| Licensed person or firm | Type | DEP ID |
|---|---|---|
| Staz, Iii, John | Mitigation (firm employee) | 1512 |
| Enviroquest INC | Mitigation (certified firm) | 1725 |
| Staz, Iii, John | Testing (firm employee) | 1512 |
| Enviroquest INC | Testing (certified firm) | 1725 |
| Durborow, Brent | Testing (firm employee) | 9068 |
- Testing too
- Also on the list for radon testing. EPA recommends an independent tester for the test after mitigation.
- Check it yourself
- Ask for the DEP photo ID card, and check the monthly DEP directory. How license checks work.
What Enviroquest says on its own website
- Radon work it names
- Radon mitigation systems, Radon testing, Commercial and multifamily buildings, Home inspections
- Credentials it names
- InterNACHI, ASHI (the business's own statement; check national certification with NRPP or NRSB)
- In business since
- 1991, as the site states it
- Areas it names
- Harrisburg, Lancaster, York, Annville, Camp Hill, Carlisle, Chambersburg, Colonial Park, Columbia, Duncannon, Elizabethtown, Enola, Ephrata, Gettysburg
Read from evqharrisburg.com on October 15, 2026. A service shows only when the business offers it in its own words.
Google profile
- Rating
- 4.8 from 312 reviews on its Google profile (read October 15, 2026). We collect and edit no reviews.
- Google category
- Home inspector
Other listed mitigators near Harrisburg
- Mike Sheely Home Inspection Enola, 2 mi
- Precision Inspections & Radon Solutions Camp Hill, 5 mi
- Bass Air Quality Carlisle, 18 mi
- M. Webster Construction, Inc. Lebanon, 26 mi
- R&R Radon Reduction Pine Grove, 33 mi