Bonner County Property Tax Appeal, Idaho

Travis Bunn·Updated July 22, 2026

Bonner County is located in northern Idaho with Sandpoint as its county seat and largest city. With an estimated population of 55,190 as of 2026, the county includes notable cities such as Sandpoint, Priest River, Ponderay, and Dover. Bonner County's median home value of approximately $501,635 is significantly higher than the national median, yet the county maintains one of Idaho's lowest effective property tax rates at 0.37%, well below the national median of 1.02%. The median annual property tax bill of $1,883 is $517 lower than the national median of $2,400, making property tax appeals particularly valuable for homeowners who believe their assessments are inaccurate.

Notable cities: Sandpoint, Priest River, Ponderay, Dover, Kootenai

Median Home

$501,635

Tax Rate

0.37%

Annual Tax

$1,883

Population

55,190

On the typical Bonner County home, valued near $501,635 at the county’s effective tax rate of 0.37%, an over-assessment of even 10% means you are overpaying year after year until you appeal it. Here is how to find out if yours qualifies.

2026 Appeal Deadline: June 22, 2026, at 5:00 p.m.

Appeals must be filed by 5:00 p.m. on the fourth Monday in June each year. Idaho Code § 63-501A requires appeals to be filed by the end of normal business hours on the fourth Monday of June. This deadline is statutory and non-extendable. For 2026, the deadline is June 22, 2026.

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How Bonner County Assesses Property

100%of market value

Assessed by: Bonner County Assessor's Office

Assessment cycle: annual

Notices typically mailed: June 1 (first Monday in June)

Idaho assesses all residential property at 100% of market value, meaning your assessed value equals your property's market value. For example, if your home's market value is $501,635 (the county median), at Idaho's 100% assessment ratio your assessed value would be $501,635. After applying the homestead exemption (50% up to $125,000), your taxable assessed value would be approximately $376,635, resulting in approximately $1,394 in annual taxes at the county's effective rate of 0.37%.

The Appeal Process

Appeals are heard by the Board of Equalization. The Board of Equalization (consisting of the Bonner County Commissioners) will schedule a hearing to review your evidence and determine if the market value placed on your property is fair and accurate. Appeals are limited to questions of market value and are not a forum to protest taxes in general.

Step 1: Contact the Assessor's Office for an informal review. Between June 1-22 (the inquiry period), contact the Bonner County Assessor's Office at (208) 265-1440 to discuss your assessment. Many concerns are resolved informally during this period.

Step 2: Gather supporting evidence. Collect comparable sales of similar properties, independent appraisals, realtor's comparative market analysis, photos of property condition issues, repair estimates, or other documentation showing your property's market value is lower than the assessed value.

Step 3: Complete the 2026 Property Assessment Appeal Form. Download the form from the county website or obtain it from the Commissioner's Office. Include your assessment notice and all supporting documentation.

Step 4: File your appeal with the Bonner County Commissioner's Office by June 22, 2026, at 5:00 p.m. Submit in person, by mail (postmarked by deadline), or online. The Commissioner's Office will schedule a hearing date and notify you.

Step 5: Attend your Board of Equalization hearing. Present your evidence to the Board (consisting of the County Commissioners). The Board will review your appeal and issue a decision focused solely on market value, not tax amounts.

Step 6: If dissatisfied with the Board's decision, file an appeal to the Idaho Board of Tax Appeals within 30 days of the Board of Equalization decision. This is a less formal process with no filing fees.

Step 7: As a final option, appeal the Idaho Board of Tax Appeals decision to District Court within 28 days if you remain dissatisfied with the outcome.

Required form: 2026 Property Assessment Appeal Form

Filing Methods

in-person:Bonner County Commissioner's Office, 1500 Highway 2, Suite 308, Sandpoint, ID 83864

mail:Bonner County Commissioner's Office, 1500 Highway 2, Suite 308, Sandpoint, ID 83864 (must be postmarked by deadline)

online:Appeal forms available for download at https://www.bonnercountyid.gov/property-assessment-appeals

Evidence to Bring

Comparable sales of similar properties (within last 6-12 months)Independent appraisals or realtor's comparative market analysisPhotos documenting property condition issuesRepair estimates for structural or system defectsDocumentation of assessment errors or incorrect property characteristics

Bonner County Assessor Contact

Bonner County Assessor's Office

Phone: 208-265-1440

Address: 1500 Highway 2, Suite 205, Sandpoint, ID 83864

Website: https://www.bonnercountyid.gov/departments/assessor

Online Portal: https://www.bonnercountyid.gov/property-assessment-appeals

Hours: Monday through Friday, 8:00 a.m. to 5:00 p.m.

Tax Exemptions in Bonner County

Homestead Exemption (Homeowner's Exemption)

50% of assessed value up to $125,000 maximum

Idaho's primary property tax relief for owner-occupied homes exempts 50% of the home's assessed value (plus up to one acre of land), capped at $125,000, whichever is less. This exemption reduces the taxable value used to calculate your property taxes.

Eligibility: Property owners who own and occupy a home as their primary residence for more than six months per year. Must be an Idaho resident. Property owners may only claim one homestead exemption.Deadline: December 31, 2026 (for 2026 tax year). Once approved, you only need to reapply if you move or ownership changes.

Property Tax Reduction (Circuit Breaker)

$250 to $1,500 reduction

Reduces property taxes for qualifying low-income seniors, disabled individuals, widowed persons, former POWs or hostages, and fatherless/motherless children under 18. Benefit amount ranges from $250 to $1,500 annually.

Eligibility: Must be age 65 or older, OR blind, OR widowed, OR disabled (as recognized by Social Security, Railroad Retirement Board, or VA), OR former POW/hostage, OR motherless/fatherless child under 18 as of January 1, 2026. Total 2025 income after deducting medical expenses must be less than $39,130 (reduced tier) or $61,674 (regular tier). Must own and occupy home as primary residence.Deadline: April 15, 2026. Must apply annually.

Disabled Veterans Property Tax Benefit

Up to $1,500 reduction

Special property tax reduction for veterans with 100% service-connected disability or those receiving 100% compensation due to individual unemployability from the VA. Reduces property taxes by up to $1,500 on home and up to one acre of land.

Eligibility: Must be recognized as 100% service-connected disabled veteran or receive 100% compensation due to individual unemployability by the U.S. Department of Veterans Affairs as of January 1, 2026. Must own and live in home as primary residence. Property must have current homestead exemption. No income limit.Deadline: April 15, 2026. If disability is permanent and total, no need to reapply annually; benefit renews automatically. Otherwise, must reapply each year.

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Bonner County for 2026?

The deadline to file a property tax appeal in Bonner County is June 22, 2026, at 5:00 p.m. This is the fourth Monday in June, as required by Idaho Code § 63-501A. Your completed appeal form, assessment notice, and supporting documentation must be filed with the Bonner County Commissioner's Office by this deadline. This statutory deadline is non-extendable, and missing it means you lose the opportunity to challenge your 2026 assessment. Property owners are strongly advised not to wait for their tax bill to arrive before filing an appeal.

How do I file a property tax appeal in Bonner County?

To file a property tax appeal in Bonner County, first contact the Assessor's Office at (208) 265-1440 during the informal inquiry period (June 1-22) to discuss your concerns. If not resolved, download the 2026 Property Assessment Appeal Form from the county website at bonnercountyid.gov or obtain it from the Commissioner's Office. Complete the form and attach your assessment notice along with supporting evidence such as comparable sales, appraisals, photos, or repair estimates. Submit the completed packet to the Bonner County Commissioner's Office at 1500 Highway 2, Suite 308, Sandpoint, ID 83864, either in person, by mail, or online by June 22, 2026, at 5:00 p.m. The Commissioner's Office will then schedule your Board of Equalization hearing.

What is the homestead exemption worth in Bonner County?

The homestead exemption in Bonner County can save homeowners substantial amounts on their property taxes by exempting 50% of the assessed value up to a maximum of $125,000, whichever is less. For the median Bonner County home valued at $501,635, the homestead exemption would reduce the taxable assessed value by $125,000, saving approximately $463 annually at the county's 0.37% effective tax rate. For a home assessed at $250,000, the exemption would be 50% ($125,000), while for a home assessed at $200,000, the exemption would be $100,000 (50% of value). This exemption applies to your primary residence and up to one acre of land, and you must apply by December 31, 2026, for the current tax year.

What happens at a Board of Equalization hearing in Bonner County?

At a Board of Equalization hearing in Bonner County, you will present your case to the Board (consisting of the County Commissioners) who will review the evidence you submit to determine if your property's assessed market value is fair and accurate. You should bring comparable sales data, appraisals, photos, repair estimates, or other documentation supporting your position that your property's market value is lower than the assessed value. The hearing focuses strictly on market value questions and is not a forum to protest property taxes in general or to discuss tax rates. After reviewing your evidence and hearing from both you and the Assessor's Office, the Board will issue a written decision. If you're dissatisfied with the outcome, you have the right to appeal to the Idaho Board of Tax Appeals within 30 days.

How much can I save by appealing my property taxes in Bonner County?

The amount you can save by appealing your property taxes in Bonner County depends on how much your assessment is reduced. With Bonner County's effective tax rate of 0.37%, every $10,000 reduction in assessed value saves you approximately $37 per year in property taxes. For example, if you successfully appeal a $500,000 assessment down to $450,000 (a $50,000 reduction), you would save approximately $185 annually. Over a typical five-year assessment period, that's $925 in savings. For higher-valued properties with larger overassessments, the savings can be even more significant. Given the county's median home value of $501,635 and rising property values across the region, successful appeals commonly result in reductions of $25,000 to $100,000 or more when strong comparable sales evidence is presented.

What evidence do I need for a Bonner County property tax appeal?

For a successful property tax appeal in Bonner County, you need evidence demonstrating that your property's market value is lower than the assessed value shown on your notice. The strongest evidence includes recent comparable sales (3-5 similar properties sold within the last 6-12 months in your area), showing lower sale prices than your assessment. You should also include a realtor's comparative market analysis, copies of independent appraisals conducted for sales or refinancing, photos documenting property condition issues or defects, repair estimates for structural problems or needed maintenance, and documentation of any errors in the Assessor's property characteristics records (such as incorrect square footage, number of bedrooms, or lot size). The Assessor's Office can consider any market information you submit during the informal review period, and many values are adjusted before formal hearings when strong evidence is provided.

Can I appeal to a higher authority if the Bonner County Board of Equalization denies my appeal?

Yes, if you are dissatisfied with the Bonner County Board of Equalization's decision on your property tax appeal, you have the right to file a further appeal to the Idaho Board of Tax Appeals (BTA) within 30 days of the Board of Equalization's decision. The Idaho Board of Tax Appeals provides an independent review of your case, with no filing fees and less formal proceedings than district court. The BTA holds hearings in the county where the property is located and reviews all evidence to determine if the market value assessment is correct. If you remain dissatisfied after the BTA decision, you can appeal to the Idaho District Court within 28 days. This multi-level appeal process ensures property owners have multiple opportunities to challenge assessments they believe are unfair or inaccurate.

When will I receive my property assessment notice in Bonner County?

Bonner County mails property assessment notices by the first Monday in June each year, which is June 1, 2026, for the current tax year. These notices reflect the assessed value that will be used to calculate your 2026 property taxes and include information about your property's market value as of January 1, 2026. Upon receiving your notice, you have until June 22, 2026 (the fourth Monday in June) to file an appeal if you disagree with the assessed value. This gives property owners only three weeks to review their assessment, gather supporting evidence, and file an appeal, so it's important to act quickly. The Assessor's Office encourages property owners to contact them immediately during the June 1-22 inquiry period if they have questions or concerns about their assessment, as many issues can be resolved informally before the formal appeal deadline.

Official Resources

Bonner County Assessor's Office - Official Website →

Access assessment information, property search tools, forms, and contact information for the Bonner County Assessor's Office.

Bonner County Property Assessment Appeals Information →

Download appeal forms, view procedures, and learn about the Board of Equalization hearing process for property tax appeals.

Idaho State Tax Commission - Property Tax Information →

State-level property tax resources including exemption applications, circuit breaker information, and disabled veterans benefits.

Idaho Board of Tax Appeals →

Information about filing second-level appeals after Board of Equalization decisions, including forms, procedures, and hearing schedules.

For state-wide appeal information including Idaho's assessment ratio and deadlines, see our Idaho Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

More Idaho Counties

Ada County (Boise)Kootenai County (Coeur d'Alene)Power County (American Falls)

← All Idaho property tax appeal info

Sources: https://www.bonnercountyid.gov/property-assessment-appeals | https://bonnercountydailybee.com/news/2026/apr/18/2026-property-assessment-process-deadlines-announced/ | https://www.ownwell.com/trends/idaho/bonner-county | https://worldpopulationreview.com/us-counties/idaho/bonner-county | https://propertytaxrates.org/exemptions/idaho/ | https://bta.idaho.gov/ | https://tax.idaho.gov/taxes/property/

Last verified: 2026-07-22