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Adams County · EPA Radon Zone 1

Radon Testing & Mitigation in Commerce City, Colorado

Home of the Major League Soccer team, Colorado Rapids. Go Rapids!

Adams CountyCommerce City

Commerce City at a glance

Population
62,418 (2020)
County
Adams County
Incorporated
1952
Area
36.4 sq mi
EPA Radon Zone
Zone 1 (highest risk classification)
School districts
School District 27J · Adams 14

Population: U.S. Census Bureau 2020 Decennial Census.

Radon in Commerce City

Commerce City is located in Adams County, which the U.S. Environmental Protection Agency designates as Radon Zone 1 — the highest-risk classification, indicating predicted average indoor radon levels at or above the EPA action level of 4 pCi/L.

Commerce City was incorporated as a town in 1952 through the consolidation of older neighborhoods including Rose Hill and the southern part of historic Adams City. A refinery established in 1930 anchors the industrial core, and the Rocky Mountain Arsenal (founded 1942 just east) is now the largest land-based urban wildlife refuge in the United States. The city's pre-1990 industrial-era housing stock predates radon-resistant construction standards.

Statewide, 46.9% of pre-mitigation home radon tests in Colorado come back at or above the EPA action level (4 pCi/L), based on 214,362 tests in the CDPHE 2005–2024 statewide dataset. Whether you own or rent in Commerce City, testing is the only way to know your home's level.

Radon costs in Commerce City → What a mitigation install typically runs in Colorado, and the factors that move the price up or down.

Sources: U.S. EPA Map of Radon Zones; CDPHE Colorado Radon Tests 2005–2024; U.S. Census Bureau 2020 Decennial Census.

Colorado Radon Check services Adams County

Get a free quote for radon mitigation in Adams County.

We’re NRPP-certified and Colorado state-licensed. A standard sub-slab depressurization install reduces indoor radon by 95%+ in most Adams County homes — exact quote in 24 hours.

  • 24-hour quote turnaround
  • Installed in 4–6 hours
  • Post-install re-test included
  • Radon-mitigation listing feature

Or call us at (866) 398-9858 — same-day response during business hours.

Prefer the data first? Download the free Colorado Radon Risk Map.

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Other Adams County cities

Same county, same EPA Radon Zone 1 classification.

See the full county dataset at Adams County radon levels.