New Idaho laws taking effect January 1, 2026

15 laws take effect January 1, 2026.

Of the 681 bills enacted since 2025, 681 have an effective date and 0 don't yet (pending). A law here takes effect that day by its main provisions; parts of a staggered act may take effect on other dates.

Updated Oct 31, 2026 at 11:25 a.m. EDT.

Taxes (10)

  • H 130 · 2025 Regular SessionPublished

    PROPERTY TAXES – Amends existing law to provide that a county board of equalization may exempt the property of certain hospitals from property taxes.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

  • H 329 · 2025 Regular SessionPublished

    TAXATION – Amends and adds to existing law to provide certain property tax exemptions for certain utilities and to provide for a tax on rate-regulated electric companies and gas companies.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

  • H 354 · 2025 Regular SessionPublished

    PROPERTY TAXES – Amends existing law to revise provisions related to the assessment of market value and the homestead exemption.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

  • H 551 · 2026 Regular SessionPublished

    TAXATION – Amends existing law to revise a provision regarding the assessment of certain property.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

  • H 722 · 2026 Regular SessionPublished

    TAXATION – Amends existing law to revise provisions regarding certain rate-regulated electric companies and gas companies.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

  • H 734 · 2026 Regular SessionPublished

    TAXATION – Amends existing law to revise provisions regarding the allocation of certain tax revenue.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

  • H 751 · 2026 Regular SessionPublished

    SALES AND USE TAX – Amends existing law to revise provisions regarding a sales and use tax rebate for certain developers of certain retail complexes.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

  • H 843 · 2026 Regular SessionPublished

    TAXATION – Amends existing law to eliminate proration of the homestead property tax exemption.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

  • H 934 · 2026 Regular SessionPublished

    TAXATION – Amends existing law to revise provisions regarding the Idaho Parental Choice Tax Credit.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

  • S 1216 · 2025 Regular SessionPublished

    PROPERTY TAXES – Amends House Bill 354 to revise provisions regarding the rules pertaining to market value.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

Budget (1)

  • H 765 · 2026 Regular SessionPublished

    TAXING DISTRICTS – Amends existing law to allow fire protection districts to enter into certain agreements to transfer territory and to allow certain taxing districts to be exempt from certain budget limitations.

    How we got this date

    Published by the legislature: Retroactive to 01/01/2026.

    How effective dates are worked out

Civil Rights (1)

  • S 1001 · 2025 Regular SessionPublished

    UNIFORM PUBLIC EXPRESSION PROTECTION ACT – Adds to existing law to establish the Uniform Public Expression Protection Act.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

Finance (1)

  • H 71 · 2025 Regular SessionPublished

    ACQUISITIONS OF CONTROL AND INSURANCE HOLDING COMPANY SYSTEMS – Amends and adds to existing law to revise and establish provisions regarding insurance holding company systems.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

Healthcare (1)

  • H 134 · 2025 Regular SessionPublished

    HEALTH – Adds to existing law to establish provisions regarding breast cancer screening.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out

Traffic (1)

  • H 174 · 2025 Regular SessionPublished

    MOTOR VEHICLE TOWING – Amends, repeals, and adds to existing law to establish provisions regarding motor vehicle towing.

    How we got this date

    Published by the legislature: 01/01/2026.

    How effective dates are worked out