Ada County, Idaho Tax Assessors' Office
Ada County Assessor 190 East Front Street, Suite 107
Courthouse Complex East
Boise, Idaho 83702
208-287-7209 (Fax) Where is the Ada County Tax Assessor's Office?
What can the Ada County Assessor's Office do for me?
The Ada County Tax Assessor's Office oversees the appraisal and assessment of properties as well as the billing and collection of property taxes for all taxable real estate located in Ada County.
Contact the assessor's office if you need help with paying your property taxes, applying for a homestead exemption or other tax exemption, reporting upgrades to your home, appealing your property tax assessment, or verifying your property records.
Submitting a Ada County property tax appeal
If you believe that your house has been unfairly overappraised (i.e. appraised at a value higher than the true market value of the property), you can attempt to get your home re-appraised at a lower value by contacting the Assessor's Office to submit a property tax appeal.
You will have to submit a form describing your property and sufficient proof that it is overassessed, including valuations of similar homes nearby as evidence. If your appeal is accepted, your home assessment (and property taxes) will be lowered as a result.
If you would like to appeal your property, call the Ada County Assessor's Office at (208) 287 7200 and ask for a property tax appeal form. Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.
For more information and example appeals, see how to appeal your property taxes.
Useful Ada County Facts:
The median home value in Ada County is between $212,036.00 and $216,964.00. Property tax rates are based on property values.
How can I contact Ada County?
You can try contacting the Ada County local government directly with any issues the Assessor's Office can't solve. In many counties, certain property records such as deeds are kept in the county courthouse or county archives instead of at the tax assessors' office.
The county seat for Ada County is located in the County Courthouse in Boise, which is located at 200 W Front Street. You can direct your general inquiries to Ada County with the contact info listed below.
Ada County Phone Number
Ada County Fax Number
Ada County County Courthouse Address
County Courthouse
200 W Front Street
Boise, ID 83702-7300
Useful Ada County Links:
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Ada County Government Homepage
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Ada County Assessors' Office Homepage
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City of Boise - GIS Map
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Ada County GIS Maps
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Make a Property Tax Payment