Short answer: Depends on your address for most vehicles
| Emissions | Gasoline vehicles need an emissions test in the Denver metro and North Front Range: all of Boulder, Broomfield, Denver, Douglas and Jefferson counties and parts of Adams, Arapahoe, Larimer and Weld. Model years 1982+ test every two years after a seven-model-year exemption. Adams and Arapahoe are covered west of Kiowa Creek; Larimer and Weld only in designated areas. |
|---|---|
| Safety | No periodic safety inspection for personal vehicles. |
| Emissions test fee | Not published — Not verified |
| Find a station | Air Care Colorado locations |
Sources: Colorado DMV: Gas vehicles · CDPHE: Emissions inspections for gasoline vehicles · Colorado DMV gas program area map (PDF). Checked 2026-10-04.
About the missing details
Why it's missing: We only list inspection fees published by an official source. Stations or the local program set the price for Adams County, and we couldn't find an official published price, so check the station's posted price or call the program below.
General information
Not specific to Adams County
Where states publish an inspection price, it ranges from free (Illinois, Delaware DMV lanes, Ohio's first passing E-Check) to $55 every two years (Rhode Island). Many states let each station set its own price and only require it to be posted. Texas caps emissions tests at $11.50–$18.50.
Closest place with verified data
El Paso County, TX (about 570 miles away): emissions test up to $11.50
Call or visit the official office
Air Care Colorado locations · Official website
Know the current fee? Tell us. We check every tip against an official source before publishing it.
Stations in Adams County
Use the official Air Care Colorado locations to find a licensed station near you.
Featured stations: none yet. Paid listings are labeled "Featured · paid placement".
Frequently asked
Do I need an emissions test in Adams County, Colorado?
Possibly — only part of Adams County is inside the testing area. Gasoline vehicles need an emissions test in the Denver metro and North Front Range: all of Boulder, Broomfield, Denver, Douglas and Jefferson counties and parts of Adams, Arapahoe, Larimer and Weld. Model years 1982+ test every two years after a seven-model-year exemption.
Do I need a safety inspection in Adams County?
No periodic safety inspection for personal vehicles.