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ARAPAHOE COUNTY · COLORADO

Radon Testing & Mitigation in Centennial, CO

Radon Testing & Mitigation businesses serving Centennial and the surrounding Arapahoe County area — ZIP 80015, 80016, 80111, 80112, 80121, 80122.

Colorado has some of the highest indoor radon levels in the country, and mitigation is a routine inspection objection rather than an unusual one. In Centennial specifically, mostly 1970s onward suburban construction, much of it under active HOA rules that affect exterior work.

Permits: Each city issues its own permits, and Arapahoe County handles the unincorporated pockets between them.

ZIP codes covered
  • 80015
  • 80016
  • 80111
  • 80112
  • 80121
  • 80122
No radon testing & mitigation covering Centennial yet. The directory is new and fills up as businesses apply. If you run a radon testing & mitigation business that works in Centennial, apply for a free listing — there is no charge, and you would be the first one here.

Typical radon testing & mitigation jobs in Centennial

  • Short-term test on an inspection timeline
  • Sub-slab depressurization system installation
  • Post-mitigation retest to confirm the level dropped
  • Crawlspace membrane systems

What to ask before you hire

  • Are you NRPP or NRSB certified, and can I see the number?
  • Is a post-mitigation retest included in the price?
  • What level are you guaranteeing the system will get me below?

Go Denver Homes does not vet the businesses listed here, so these are the questions worth asking yourself. Get more than one written estimate.

ALSO IN CENTENNIAL

Other trades covering Centennial

NEARBY

Radon Testing & Mitigation in nearby cities

QUESTIONS

Centennial, in short

Which ZIP codes in Centennial does this cover?
All of Centennial: 80015, 80016, 80111, 80112, 80121, 80122. A ZIP is a mail-delivery area rather than a city boundary, so a few of these also reach neighbouring communities.
What county is Centennial in?
Centennial sits in Arapahoe County. That matters for permits and inspections, which are issued locally rather than by the state.
Does a listing here mean the business is vetted?
No. A listing means the business has read and agreed to the Go Denver Homes Pro Code of Ethics. It is not a verification of licenses, insurance, permits or workmanship, and it is not a recommendation. Get multiple written estimates and check credentials yourself.

A listing here reflects agreement to the Go Denver Homes Pro Code of Ethics only. It is not a verification of licenses, insurance, permits, bonding, or workmanship.

Work in Centennial?

Listing is free. Agree to the Code of Ethics, fill in one form, and your business is published with the structured data that puts it in front of homeowners searching your ZIP codes.

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