A1 Radon Mitigation Llc

General contractor in Spokane, Washington

Active License

License #A1RADRM744K2

TradeGeneral

CitySpokane, WA 99203

Business typeLimited Liability Company

PrincipalCasilla, Arnold

Licensed since2026-05-22

License expires2028-05-22

UBI606117121

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License data sourced from Washington State Department of Labor & Industries public records. Verify current status with the state before hiring.