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Assessor reports residential and commercial values rising; notices to be mailed ahead of appeals
Summary
Bannock County assessor’s staff told commissioners the county’s residential and commercial assessed values increased for 2025, outlined outreach to property owners with larger changes and said assessment notices will be mailed ahead of Board of Equalization deadlines.
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Bannock County Assessor Anita Heimas and staff presented the office’s 2025 valuation results and outreach plan to the Board of Commissioners on May 15, reporting that residential and commercial values rose during the assessment year and that the office will mail assessment notices in time for the Board of Equalization (BOE) process.
Assessor staff said they collected roughly 1,360 arms‑length residential sales and used a 15‑month sales window for the valuation process. The office reported a marked increase in median sales prices over recent years, with Bannock County showing faster growth rates between 2019 and 2024 than state or national medians, though growth had slowed in late 2023–2024. Staff said the assessor’s office conducted category adjustments (for example, raising many storage‑unit property grades to ensure equity) and updated Marshall & Swift replacement-cost tables for 2025.
Staff described outreach to about 50 properties expected to see the largest increases, including Portneuf Medical Center and the Titan Center, and said they are contacting owners to review valuation details before notices are mailed. The assessor’s office said it will distribute a public-service announcement and an informational letter in the assessment notices explaining the changes and encouraging property owners to contact the office before BOE if they have questions.
Assistant appraisers presented supporting sales and market‑area maps and explained that the office uses market-area breakdowns (city vs. rural and smaller market subdivisions) to avoid applying county-wide blanket adjustments. Staff said vacant‑land and commercial valuations sometimes require longer time windows when there are fewer sales, and that any parcel‑level errors discovered during internal clean-up are corrected before notices go out.
Commissioners thanked staff for outreach and transparency; the state tax commission’s consulting attorney said preliminary ratio studies show the county is returning toward compliance after last year’s shortfall and that he expects the county will meet standards once the adjustments are finalized.

