Ada County, ID

Ada County, ID assessor property search and records

Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Ada County, Idaho. Search an address or APN, then jump to official county sources or property tax and value data.

Official sources

Ada County assessor, recorder, tax, and parcel map sources

Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.

Ada County official assessor, tax, deed, GIS, permit, and land-use sources
Record typeOfficial sourceNotes
Assessed valuesAda County Property Searchapps.adacounty.id.gov/PropertyLookup/
  • Requires acceptance of terms of use.
  • Provides property assessment and valuation data.
Deeds and recorded documentsAda County Clerk Property Records Searchadacountyid-web.tylerhost.net/web/action/ACTIONGROUP49S2
  • Some document types (e.g., deeds, liens, judgments) are blocked from online viewing and require direct contact with the Recorder's office.
Property taxesAda County Treasurer Property Tax Portalwww.paydici.com/ada-county-id/search/property-tax
  • Official portal for tax bill retrieval and payments.
  • Treasurer acts as ex officio tax collector.
GIS and parcel mapsAda County GIS Portalgisprod.adacounty.id.gov/apps/countymapper
  • Provides interactive mapping for tax districts, zoning, and parcel information.
  • Maps are for reference purposes only.
Permits and building recordsAda County Development Services Building Divisionadacounty.id.gov/developmentservices/building-division/
  • Provides information on building permits and inspection requests.
  • Some permits may be handled by individual cities within Ada County.
Zoning and land useAda County Zoning Maps (via GIS)gisprod.adacounty.id.gov/apps/countymapper
  • Zoning information is integrated into the County Mapper GIS portal.
County data

Ada County tax rates and property values

County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.

Median estimated value$533,547

Median estimated market value for properties in this county.

AssessorSearch county data
Median assessed value$475,100

Median assessed value from county assessment records when available.

AssessorSearch county data
Median annual property tax$2,157

Median annual property tax amount from indexed tax records when available.

AssessorSearch county data
Median effective property tax rate0.39%

Median effective property tax rate calculated from annual tax and value fields.

AssessorSearch county data

City property data

Top city rollups for estimated value, assessed value, property tax rate, and tax amount.

Ada County city-level property value and tax-rate rollups
CityMedian estimated valueMedian assessed valueMedian effective property tax rateMedian tax amount
Boise$520,133$455,7000.55%$2,781
Meridian$535,263$481,8000.32%$1,762
Eagle$795,177$782,1000.29%$2,132
Kuna$459,436$413,7000.31%$1,506
Star$545,116$504,5500.27%$1,396
Garden City$546,776$488,8000.53%$2,698
Nampa$834,139$779,0000.29%$2,449
Melba$513,686$433,5000.21%$892
FAQ

Ada County property records FAQ

Common questions about assessor, deed, tax, GIS, and permit records.

How do I find the owners of Ada County properties?

Use the official Ada County Property Search for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Ada County properties by address or APN.

Where can I verify assessed value in Ada County?

Use the official Ada County Property Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.

Where can I find deeds or recorded documents in Ada County?

Use the official Ada County Clerk Property Records Search for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.

Where can I view parcel maps or GIS data in Ada County?

Use the official Ada County GIS Portal for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.

Can I build a list of Ada County property owners?

Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.

Need many owners? Build targeted property lists with Affix
Related counties

More Idaho property records

Use related county pages when researching nearby property records or comparing official source patterns.

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