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IdahoH 03542025 regular legislative sessionHouseWALLET

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

Sponsored By: REVENUE AND TAXATION COMMITTEE

Signed by Governor

PROPERTY TAXES

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Bill Overview

Analyzed Economic Effects

3 provisions identified: 0 benefits, 1 costs, 2 mixed.

Homeowner exemption changes trigger taxable value updates

Beginning January 1, 2026, county assessors must record taxable value increases caused by changes in homeowner exemption status. This covers properties that formerly or newly received the exemption. Assessors must place these increases on the property tax list or a later tax list. The law does not set the amount of any increase.

June deadline for missed property tax bills

Beginning January 1, 2026, taxes billed on a later or previously missed property tax list are due June 20. Unpaid taxes become delinquent after that date. This replaces the rule that made those taxes delinquent 30 days after bills were mailed. Depending on the mailing date, taxpayers have more or less time to pay.

New property value standards and appeal rules

Beginning January 1, 2026, Idaho requires assessed-to-market-value ratios within 90%–110% of each tested property category's median ratio, allowing for statistical uncertainty. State rules must require recognized appraisal methods and corrections outside that range; individual assessments may rise or fall. A related rule covers appeals from county board of equalization decisions. The party seeking a taxable value increase exceeding 10% of last year's value must prove its case. This applies when the increase partly results from the assessor's failure to use required equalization methods.

Sponsors & Cosponsors

Sponsor

  • REVENUE AND TAXATION COMMITTEE

    Affiliation unavailable

Cosponsors

  • Treg A. Bernt

    Republican • Senate

  • Dustin Manwaring

    Republican • House

Roll Call Votes

All Roll Calls

Yes: 103 • No: 0

Senate vote • 3/19/2025

Senate Floor Vote

Yes: 34 • No: 0

House vote • 3/10/2025

House Floor Vote

Yes: 69 • No: 0

Actions Timeline

  1. Reported Signed by Governor on March 28, 2025 Session Law Chapter 202 Effective: 01/01/2026

    3/31/2025

  2. Delivered to Governor at 12:03 p.m. on March 24, 2025

    3/24/2025

  3. Returned Signed by the President; Ordered Transmitted to Governor

    3/24/2025Senate

  4. Signed by President; returned to House

    3/21/2025Senate

  5. Received from the House enrolled/signed by Speaker

    3/21/2025Senate

  6. Reported Enrolled; Signed by Speaker; Transmitted to Senate

    3/20/2025House

  7. Returned from Senate Passed; to JRA for Enrolling

    3/20/2025House

  8. Read third time in full – PASSED - 34-0-1

    3/19/2025Senate

  9. Read second time; filed for Third Reading

    3/14/2025Senate

  10. Reported out of Committee with Do Pass Recommendation; Filed for second reading

    3/13/2025Senate

  11. Introduced, read first time; referred to: Local Government & Taxation

    3/11/2025Senate

  12. Received from the House passed; filed for first reading

    3/11/2025Senate

  13. Read Third Time in Full – PASSED - 69-0-1

    3/10/2025House

  14. Read second time; Filed for Third Reading

    3/7/2025House

  15. Reported out of Committee with Do Pass Recommendation, Filed for Second Reading

    3/6/2025House

  16. Reported Printed and Referred to Revenue & Taxation

    3/4/2025House

  17. Introduced, read first time, referred to JRA for Printing

    3/3/2025House

Bill Text

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