New Colorado laws taking effect January 1, 2027
15 laws take effect January 1, 2027.
Of the 927 bills enacted since 2025, 925 have an effective date and 2 don't yet (listed below). A law here takes effect that day by its main provisions; parts of a staggered act may take effect on other dates.
Updated Nov 1, 2026 at 8:26 p.m. EST.
Healthcare (4)
HB26-1139 · 2026 Regular SessionPublished
Use of Artificial Intelligence in Health Care
How we got this date
Published by the legislature.
HB26-1198 · 2026 Regular SessionPublished
Access to Veterinary Care
How we got this date
Published by the legislature.
SB25-048 · 2025 Regular SessionPublished
Diabetes Prevention & Obesity Treatment Act
How we got this date
Published by the legislature.
SB25-118 · 2025 Regular SessionPublished
Health Insurance Prenatal Care No Cost Sharing
How we got this date
Published by the legislature.
Affordability (2)
Civil Rights (2)
Finance (2)
Wages (2)
Agriculture (1)
SB26-010 · 2026 Regular SessionPublished
Agricultural Property Tax Definitions
How we got this date
Published by the legislature.
Defense (1)
HB25-1083 · 2025 Regular SessionPublished
Vehicle Transactions Deployed Military Families
How we got this date
Published by the legislature.
Government (1)
HB26-1256 · 2026 Regular SessionPublished
Procedures & Data Individual's Release from Department of Corrections
How we got this date
Published by the legislature.
Enacted, but not yet dated (2)
These laws' texts tie their dates to something outside the legislative record (Contingent), or not enough is recorded yet to give one (Unresolved). They may take effect January 1, 2027 too; the record doesn't say.