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Confirm the county’s time and payment-method cutoff.
The property taxes may be paid in full or paid in two (2) halves, the first half on or before December 20 with a grace period extending to June 20 for the second half if the first half is totally paid.
Official source. statutory. Verified October 24, 2026.
Not tax or legal advice; confirm with your county. Dates are shown as published by the source.
Due dates and filing windows, in one view.
Today:
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Appeal window: not yet verified.
Download announced dates (.ics)Only announced dates are included, with a reminder seven days before. Re-download after dates change.
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First half or full annual payment: December 21, 2026 (statutory). Second half, if first half paid in full: June 21, 2027 (statutory).
Use the official payment portal: https://www.paydici.com/ada-county-id/search/property-tax. E-check, Debit card, Credit card, Bank bill pay, Check, Money order, Mail, Drop box, In person, Phone
A missed December installment incurs a 2% late charge and 1% monthly interest beginning the following January 1. A missed June installment incurs a 2% late charge and 1% monthly interest back to January 1 of that year.
your property tax reduction will appear on your December 2026 tax bill.
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The property taxes may be paid in full or paid in two (2) halves, the first half on or before December 20 with a grace period extending to June 20 for the second half if the first half is totally paid.
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If the date for filing any such report, claim, tax return, statement or other document or making any such payment falls upon a Saturday, a Sunday, a legal holiday or, in matters arising under chapter 30, title 63, Idaho Code, a holiday recognized by the internal revenue service, such acts shall be considered timely if performed on the next business day.
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If the December installment is not paid by the deadline, a 2% late charge is added If the June installment is not paid by the deadline, a 2% late charge is added
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Access your property tax bill, payment history, and make secure online payments through the Ada County Treasurer’s Paydici website.
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E-checks: Debit card: Credit card: Bill Pay: DROP BOX IN-PERSON PAYMENTS Make checks or money orders payable to: PHONE PAYMENTS
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Notices for the Primary Assessment Roll are sent out no later than the first Monday of June each year.
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Each owner-occupied primary residence (house or manufactured home) and up to one-acre of land is eligible for a Homestead Exemption.
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You might qualify for a property tax reduction if all of these are true: 65 or older Disabled as recognized by the Social Security Administration, Railroad Retirement Board, Federal Civil Service, Veterans Affairs, or a public employment retirement system not covered by these agencies
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The U.S. Department of Veterans Affairs recognizes you as 100% service-connected disabled, or you receive 100% compensation due to individual unemployability. The property must have a current homeowner’s exemption.
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Tools for Ada County, ID
Starts at the county’s Census median: $512,300. Change it to your best estimate.
Your home value × the county’s Census effective rate; your actual bill may differ.
Census survey, 2020–2024. Rate = median annual taxes ÷ median home value.
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Official source. Last verified 2026-10-24.
A complete date-based penalty rule and its matching cutoff have not been verified here.
Check the official information
If the December installment is not paid by the deadline, a 2% late charge is added, along with interest at 1% per month beginning January 1 following the due date. If the June installment is not paid by the deadline, a 2% late charge is added, along with interest at 1% per month beginning January 1 of the current year.
Official source. Last verified 2026-10-24.
Check the exemptions that may fit. A “Yes” does not confirm eligibility; your assessor makes that decision.
Owner-occupied primary residences and up to one acre of land.
We’ll show the next step for this exemption.
Official eligibility and application
Each owner-occupied primary residence (house or manufactured home) and up to one-acre of land is eligible for a Homestead Exemption.
Official source. Last verified 2026-10-24.
This exemption allows the value of your residence and land up to one-acre be exempted at 50% of the assessed value up to a maximum of $125,000; whichever is less. To qualify, you must own and occupy your home on or before the last county business day in December. You must also submit an application to our office by the close of business on that same day for the current tax year. If you have occupied a newly constructed home after the first of the year you must apply for the Homestead Exemption within 28 days of receiving a notice of assessment for the newly occupied dwelling
Official source. Last verified 2026-10-24.
Qualified Idaho homeowners meeting income, home-value and eligibility requirements, including seniors age 65 or older and people with qualifying disabilities.
We’ll show the next step for this exemption.
Official eligibility and application
You might qualify for a property tax reduction if all of these are true: 65 or older Disabled as recognized by the Social Security Administration, Railroad Retirement Board, Federal Civil Service, Veterans Affairs, or a public employment retirement system not covered by these agencies You own and occupy your home or mobile home, and the value doesn’t exceed a limit set by law that will be calculated in June. Your total prior year’s income, after deducting medical expenses, was less than or equal to the maximum income level listed in the annual Property Tax Reduction Brochure.
Official source. Last verified 2026-10-24.
This program may reduce property taxes on your home and up to one acre of land by as much as $1,500. Applications must be received between January 1 and April 15*.
Official source. Last verified 2026-10-24.
Qualifying Idaho homeowners recognized by VA as 100% service-connected disabled, or receiving 100% compensation for individual unemployability, with a current homeowner exemption.
We’ll show the next step for this exemption.
Official eligibility and application
The U.S. Department of Veterans Affairs recognizes you as 100% service-connected disabled, or you receive 100% compensation due to individual unemployability. The property must have a current homeowner’s exemption.
Official source. Last verified 2026-10-24.
You must file the application with your assessor’s office between January 1 and April 15*. If April 15 is a weekend or a certain holiday recognized by the Internal Revenue Service, such claims shall be considered timely filed if filed on the next business day.
Official source. Last verified 2026-10-24.
Owner-occupied primary residence, including manufactured homes, and up to one acre of land.
We’ll show the next step for this exemption.
Official eligibility and application
If you own and occupy a home (including manufactured homes) as your primary residence, you could qualify for a homeowner’s exemption for that home and up to one acre of land.
Official source. Last verified 2026-10-24.
Estimates are separate. Do not add them together; eligibility, taxing units and restrictions can overlap.
Use market value, not assessed or taxable value.
This compares market values only; being above the county median does not establish overassessment.
Census survey, 2020–2024. Rate = median annual taxes ÷ median home value.
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Official source. Last verified 2026-10-24.
File primary-roll appeals by the fourth Monday of June; consult the county for other assessment rolls.
How to file: Ada County Commissioner’s Office, for the Board of Equalization.
State guidance: First appeal assessment or exemption denial to the county Board of Equalization; its decision may then go to the state Board of Tax Appeals or District Court within 30 days.
Official appeal source. Last verified 2026-10-24.
Official appeal source. Last verified 2026-10-24.
Official appeal source. Last verified 2026-10-24.
Official appeal source. Last verified 2026-10-24.
Compare the same home value in up to four counties.
Starts at the county’s Census median: $512,300. Change it to your best estimate.
Enter another ZIP, city or county to compare estimated annual bills.
Not tax or legal advice; confirm with your county. How these estimates work.
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