Ada County Property Tax Rate
Idaho · 2023 Data
Ada County, Idaho has an effective property tax rate of 0.56%, which is 41% lower than the national average of 0.95%. On a home valued at $476,000, homeowners pay approximately $2,643 per year in property taxes. Ada County ranks #13 out of 44 counties in Idaho for property tax rates.
$2,643
Per year
$476,000
2023 estimate
2.97%
Median income: $88,907
#13
of 44 counties in ID
Tax Breakdown
With Mortgage
$2,607
median annual tax
Without Mortgage
$2,725
median annual tax
Homeowners with a mortgage in Ada County pay on average -$118 more per year than those without. This difference often reflects how property tax escrow accounts in mortgaged homes capture the full tax obligation.
How Ada County Compares
Top Counties in Idaho
Historical Property Tax Trends
| Year | Median Tax | Median Home Value | Effective Rate |
|---|---|---|---|
| 2019 | $1,923 | $270,800 | 0.71% |
| 2020 | $2,058 | $298,600 | 0.69% |
| 2021 | $2,229 | $342,500 | 0.65% |
| 2022 | $2,504 | $423,500 | 0.59% |
| 2023 | $2,643 | $476,000 | 0.56% |
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates
Idaho Property Tax Exemptions
Available to Ada County homeowners
General Homestead
50% of assessed value or $125,000, whichever is less
Primary residence owners as of January 1
Circuit Breaker (Over 65/Disabled)
Up to $1,500 reduction in property taxes
Homeowners age 65+, disabled, widows/widowers, or blind; income limits apply
Disabled Veteran
Up to $1,500 reduction in property taxes
Veterans with 10%+ service-connected disability; income limits apply
Property Tax Calculator
Estimate your annual property tax in Ada County
Estimated Annual Property Tax
$1,680
$140/month · Rate: 0.56%
Nearby Counties
Quick Facts
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Homeowners save an average of $1,148/year by appealing their assessment.
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Data Source: U.S. Census Bureau, 2023 American Community Survey 5-Year Estimates. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.