New Colorado laws taking effect January 1, 2026
17 laws take effect January 1, 2026.
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)
HB25-1002 · 2025 Regular SessionPublished
Medical Necessity Determination Insurance Coverage
How we got this date
Published by the legislature.
HB25-1285 · 2025 Regular SessionPublished
Veterinary Workforce Requirements
How we got this date
Published by the legislature.
SB25-010 · 2025 Regular SessionPublished
Electronic Communications in Health Care
How we got this date
Published by the legislature.
SB25-183 · 2025 Regular SessionPublished
Coverage for Pregnancy-Related Services
How we got this date
Published by the legislature.
Parts of this act take effect on other dates.
Finance (3)
HB25-1090 · 2025 Regular SessionPublished
Protections Against Deceptive Pricing Practices
How we got this date
Published by the legislature.
HB25-1179 · 2025 Regular SessionPublished
Auto Insurance Coverage Child Restraint System
How we got this date
Published by the legislature.
SB25-079 · 2025 Regular SessionPublished
Colorado Vending of Digital Assets Act
How we got this date
Published by the legislature.
Government (3)
HB25-1030 · 2025 Regular SessionPublished
Accessibility Standards in Building Codes
How we got this date
Published by the legislature.
HB25-1295 · 2025 Regular SessionPublished
Food Truck Operations
How we got this date
Published by the legislature.
SB25-158 · 2025 Regular SessionPublished
State Agency Procurement & Disposal Certain Items
How we got this date
Published by the legislature.
Housing (2)
Technology (2)
Affordability (1)
SB25-004 · 2025 Regular SessionPublished
Regulating Child Care Center Fees
How we got this date
Published by the legislature.
Crime (1)
HB25-1238 · 2025 Regular SessionPublished
Gun Show Requirements
How we got this date
Published by the legislature.
Public Lands (1)
SB25-053 · 2025 Regular SessionPublished
Protect Wild Bison
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, 2026 too; the record doesn't say.