Radon Mitigation Contractors in Delaware
State-level radon licensing rules vary. Some states require radon professionals to hold a state license or registration; others rely on national certification (NRPP or NRSB) with no separate state license. Requirements change, so confirm current status with your state radon program before hiring.
Popular Cities in Delaware
All 3 Listings
Weber, Peter D.
LicensedWeber, Peter D.
Dagsboro, DE
(610) 869-9066
License #PA-2211 · PA Certified Mitigation Firm
Rhis, INC.
LicensedKerrigan, John
Wilmington, DE
(302) 993-9100
License #PA-1882 · PA Certified Mitigation Firm
Rhis, INC.
LicensedWilmington, DE
(302) 993-9100
License #PA-1883 · PA Certified Mitigation Firm