New Colorado laws taking effect July 1, 2027
5 laws take effect July 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.
Traffic (4)
HB25-1039 · 2025 Regular SessionPublished
Commercial Vehicle Muffler Requirements
How we got this date
Published by the legislature.
HB25-1121 · 2025 Regular SessionPublished
Permanent Trailer Registration
How we got this date
Published by the legislature.
HB25-1189 · 2025 Regular SessionPublished
Motor Vehicle Registration Reform & Fees
How we got this date
Published by the legislature.
HB25-1281 · 2025 Regular SessionPublished
Title Register & Drive Kei Vehicles
How we got this date
Published by the legislature.
Government (1)
HB25-1130 · 2025 Regular SessionPublished
Labor Requirements for Government Construction Projects
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 July 1, 2027 too; the record doesn't say.