Does Colorado Require a Vehicle Inspection to Register? (2026)
Yes — Colorado requires an emissions test in the Denver metro / northern Front Range (Boulder, Broomfield, Denver, Douglas, Jefferson, and parts of Adams, Arapahoe, Larimer, Weld) before it will renew your registration if you live in a covered area.
Verified July 2026 from official sources. How we verify fees.
Before you renew your registration
In Colorado, your registration renewal is tied to passing an inspection. Get it done before your tags expire — the DMV won't renew without a current inspection if you live in a covered area.
The details
- Safety inspection: not required
- Emissions test: required in the Denver metro / northern Front Range (Boulder, Broomfield, Denver, Douglas, Jefferson, and parts of Adams, Arapahoe, Larimer, Weld)
- Typical cost: $15–$25
Frequently asked questions
Do I need an inspection to renew my registration in Colorado?
Yes — Colorado requires an emissions test in the Denver metro / northern Front Range (Boulder, Broomfield, Denver, Douglas, Jefferson, and parts of Adams, Arapahoe, Larimer, Weld) before it will renew your registration if you live in a covered area.
Does Colorado require emissions testing?
Emissions testing is required only in the Denver metro / northern Front Range (Boulder, Broomfield, Denver, Douglas, Jefferson, and parts of Adams, Arapahoe, Larimer, Weld). The rest of Colorado is exempt.
How much does a Colorado inspection cost?
$15–$25.