Guardian Radon Mitigation & Electrical Services, Oswego, IL

Licenses on the IEMA-OHS list

Commercial buildings: IEMA-OHS marks at least one of its licensees for commercial building work.
Check it yourself: Search the IEMA-OHS active licensee list by employer or name. How license checks work.

Radon work it names: Radon mitigation systems, Existing system repair and upgrades, Radon-resistant new construction, Written warranty on systems
Testing it mentions: Real estate transaction testing. The IEMA-OHS Radon Active Licensee Listing does not hold Guardian Radon Mitigation & Electrical Services for radon testing, so ask who will run the test and check that person or firm on the list. Anyone paid to test a building for radon, analyze radon samples, or reduce radon in Illinois must hold a license from IEMA-OHS (Radon Industry Licensing Act, 420 ILCS 44/25). Illinois General Assembly (Illinois Compiled Statutes), read October 15, 2026
In business since: 2008, as the site states it
Areas it names: Kendall County, Kane County, Will County, DuPage County, Chicago, Naperville, Downers Grove, Oswego

Read from guardianservices.biz on October 15, 2026. A service shows only when the business offers it in its own words.

Rating: 5 from 130 reviews on its Google profile (read October 15, 2026). We collect and edit no reviews.
Google category: Environmental consultant