Coloradoworkers' comp filing deadline
Claim must be filed within 2 years after the injury or onset of disability, with a 3-year extension permitted on showing reasonable excuse (§8-43-103(2))
Talk to a workers' comp attorney in Colorado.
Free, confidential consultation. Statute-of-limitations rules have many exceptions — a lawyer can confirm your specific deadline.
Notice to employer
Written notice to employer within 10 days of injury (§8-43-102). For occupational disease, written notice within 30 days after first distinct manifestation. Some sources reference a 4-working-day rule for the underlying internal employer report, but the statutory employee-side deadline is 10 days.
Filing with the state
Claim must be filed within 2 years after the injury or onset of disability, with a 3-year extension permitted on showing reasonable excuse (§8-43-103(2))
Compute your Colorado deadline
Pick your state, your injury type, and the trigger date. We'll show notice + filing deadlines.
Exceptions and tolling
Statute-of-limitations rules have many exceptions that can extend or pause the clock. The most common in Colorado:
Occupational disease — Manifestation rule
30-day notice and limitations clock both run from first distinct manifestation of the disease.
Death claim deadline
Survivors filing for death benefits typically have 2 years from date of death. This calculator does not yet handle death claims; consult a lawyer for those.
About this entry
Some sub-elements of this entry (typically minor tolling, mental-disability tolling, or the leading case) haven't been independently verified. The notice and filing rules cited above ARE traced to the primary statute.
Attribution
- Last verified
- May 4, 2026
- Editorial review
- Statute linked to primary source
- Primary source
- https://leg.colorado.gov/colorado-revised-statutes