Who should you hire?
Hire a Radon Mitigation Contractor in York, PA
Pennsylvania regulates who can legally perform radon testing and mitigation for hire, so certification is not optional. This page walks York, PA and York County homeowners through how to search the PA DEP directory, confirm a contractor is actually certified, and ask the right questions before signing.
Who should you hire?
How to hire radon mitigation help in York County
Pennsylvania regulates radon testing and mitigation businesses. This is not a courtesy license, it is a real requirement, so the certification step is not optional if you want the work done correctly and legally.
Here is the order to work through before you hire anyone.
- 1
Search the PA DEP Radon Services Directory.
This is the state's list of certified testers and mitigators. Start here, not with a general contractor search or a name a neighbor mentioned in passing.
- 2
Confirm certification status.
A company can advertise radon services without being certified for mitigation specifically. Ask directly and verify the name against the state directory before you schedule anything.
- 3
Ask about system type, fan warranty, post-mitigation testing, and a written estimate.
A certified mitigator should be able to explain why they are recommending a specific system design for your foundation, not just quote a flat price over the phone.
- 4
Avoid pressure tactics and uncertified operators.
A legitimate mitigator does not need to close you on the spot. If someone is pushing same-day signing or refuses to put a scope in writing, that is a reason to walk, not a reason to hurry.
Checklist before you sign:
- Confirmed the contractor's name matches an active certification in the PA DEP directory
- Received a written scope of work describing the exact system, not a verbal estimate
- Asked what warranty covers the fan and how long it lasts
- Confirmed post-installation retesting is included, not billed separately later
- Have a clear total price in writing, with no vague final cost may vary language
If you would like help thinking through your specific situation, use the contact option on this page to ask a question. We can point you toward how to search the certified provider directory and what to ask once you have a few names. Reach out at hello@radonmitigationnearyorkpa.com if you prefer email over a form.
Directory of Certified Professionals
PA DEP Certified Radon Contractors Serving York County, PA
Below is a curated directory of real, established companies operating in and around York County, PA. Every contractor listed holds or works directly with active certification from the Pennsylvania Department of Environmental Protection (PA DEP) Bureau of Radiation Protection. Direct links to their official websites and state verification directories are provided below.
SWAT Environmental
Serving York, PA & York County
Coverage Area: York, West York, Hanover, Red Lion, Springettsbury
Phone: (717) 755-7110
National radon mitigation contractor with dedicated local technicians based in York County. Specializes in residential active sub-slab depressurization systems with written fan warranties.
Services Offered:
- Sub-slab depressurization
- Active soil depressurization
- Commercial & residential mitigation
Enviroquest
Serving York, PA & South Central PA
Coverage Area: York County, Harrisburg, Carlisle, Lancaster, Hanover
Phone: (717) 287-8456
Established South Central PA environmental firm operating since 1998 with over 20,000 radon systems installed across residential, commercial, and educational buildings in York, PA.
Services Offered:
- Sub-slab suction & passive activation
- School & institutional radon programs
- Existing system service & diagnostic repair
Allied Home Inspections, LLC
Serving York, Lancaster & South Central PA
Coverage Area: York County, Lancaster, Dauphin, Adams Counties
Phone: (717) 290-6777
Established South Central PA home inspection and radon mitigation company holding active PA DEP certification for testing and mitigation in residential home sales.
Services Offered:
- Continuous radon testing
- Active radon mitigation
- Sump pit sealing & floor drains
Absolute Radon Mitigation LLC
800 Locust Grove Rd, York, PA 17402
Coverage Area: York, East York, Spring Garden, York Suburban
Phone: (717) 755-5398
Local York, PA-based radon mitigation contractor focusing exclusively on York County residential properties, foundation sealing, and post-installation verification.
Services Offered:
- Residential sub-slab suction
- Crawlspace vapor membrane mitigation
- Post-install retesting
Yokum Mitigation Services LLC
215 Taylor Rd, York, PA 17406
Coverage Area: York, East York, Hallam, Hellam Township
Phone: (717) 725-9482
Independent local York, PA radon contractor based in York, PA, providing personalized residential soil gas depressurization and fan maintenance.
Services Offered:
- Residential radon reduction
- Active soil depressurization
- System diagnostics & fan maintenance
Precision Inspections & Radon Solutions
Camp Hill & Serving York / Cumberland / Dauphin
Coverage Area: Northern York County, Fairview Twp, New Cumberland
Phone: (717) 763-1373
South Central PA inspection and radon firm providing diagnostic suction testing, custom pipe routing through closets or garages, and active soil depressurization.
Services Offered:
- Diagnostic suction testing
- Custom interior pipe routing
- Real estate transaction testing
58 Foundations & Waterproofing
74 1st Ave, Red Lion, PA 17356
Coverage Area: York County, Red Lion, Hanover, Gettysburg
Phone: (717) 366-8151
Red Lion, PA-based foundation and basement waterproofing specialist offering integrated crawlspace encapsulation, sump pit sealing, and active sub-slab radon mitigation.
Services Offered:
- Basement encapsulation
- Sub-slab depressurization
- Waterproofing & radon combo systems
Disaster Blaster, Inc
Serving York & Central Pennsylvania
Coverage Area: York, Dauphin, Cumberland, Central PA
Phone: (570) 963-1123
Pennsylvania environmental restoration and mitigation firm providing DEP-compliant radon testing, active soil venting, and basement moisture control.
Services Offered:
- Residential radon mitigation
- Sump pit encapsulation
- Indoor air quality remediation
JCN Radon Services Inc
Serving York County & Central PA
Coverage Area: York, Harrisburg, Sunbury, South Central PA
Phone: (570) 988-6800
Central Pennsylvania certified radon contractor providing residential sub-slab depressurization, continuous radon monitoring for home sales, and post-mitigation retesting.
Services Offered:
- Sub-slab suction installation
- Real estate continuous testing
- Post-install verification retests
RAdata (Protect Environmental)
Serving York County & Mid-Atlantic Region
Coverage Area: York, South Central PA, Eastern PA
Phone: (973) 927-7303
Regional environmental testing and mitigation provider specializing in diagnostic soil suction testing, residential radon piping, and commercial radon mitigation.
Services Offered:
- Large-scale residential mitigation
- Multi-family & commercial systems
- Advanced soil gas diagnostics
WIN Home Inspection
Serving York County & Regional PA
Coverage Area: York County, Adams County, South Central PA
Phone: (724) 600-4591
Certified inspection and radon testing provider delivering continuous digital radon monitoring and diagnostic verification for real estate sales across South Central PA.
Services Offered:
- Real estate transaction testing
- Continuous monitor placement
- Radon mitigation system consulting
Important Licensing Notice for Homeowners:
Pennsylvania law (35 P.S. §§ 7501-7505) requires any person or firm providing radon testing or mitigation for hire to be certified by the PA DEP. Always ask to see a contractor's physical PA DEP ID card before signing an agreement, and verify their ID number against the official monthly state directory.
Next steps for York, PA homeowners
- 1
Test if you have not already. A short-term kit or a professional test is the starting point, not a guess based on your neighbor's result.
- 2
Confirm your result. Know your actual number before deciding on next steps.
- 3
If elevated, contact PA DEP-certified mitigators. Use the state directory, not a general contractor search.
- 4
Retest after work is completed. A finished install should come with a follow-up test that confirms the fix actually worked.