Ada County property records
Where to look up owners, values, tax bills, parcel maps, deeds and value appeals in Ada County, Idaho. Each link goes to the county or state office that keeps the record.
Where each record lives
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Owner, land, building and value
Look up an owner’s name and mailing address, land and building details and the assessed value in the Ada County property search.
These records are kept by the Ada County Assessor.
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Tax bills and payments
Find the current bill, the balance due and past payments with the Ada County property tax lookup.
Property taxes are billed and collected by the Ada County Treasurer.
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Value complaints and appeals
Deadlines, forms and how to file an appeal are on the Ada County value appeals page.
Contact details and how-tos are on the Ada County value appeals page.
We haven’t found Ada County’s parcel maps or deeds and recorded documents online. Call the county at (208) 287-6900 or start at its website, adacounty.id.gov.
Links go to official county and state sites and were last checked in November 2026. Offices move their pages, so if one has changed, the county’s own website (adacounty.id.gov) is the place to start.