Ada County Seal
Ada County Assessor's Office
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Contact Our Office

Located in the Complex East of the Courthouse building:

190 E Front Street, Suite 107

Boise, ID  83702

Main Phone:  (208) 287-7200

Fax:  (208) 287-7209

Building Doors With Ada County Sign Above It

Departments

Please select from the links below to email
your question to the appropriate department.

Department Phone Email Address
Addressing & Street Naming (208) 287-7200 [email protected]
Ownership (208) 287-7200 [email protected]
Tax Payments & Billing (208) 287-6800 [email protected]
Homestead Property Tax Exemption (208) 287-7200 [email protected]
Motor Vehicles (208) 577-3135 [email protected]
Deeds, Legal Descriptions, Surveys and Mapping (208) 287-7262 [email protected]
Circuit Breaker – Property Tax Reduction Program (208) 287-7200 [email protected]
Specific Questions Related to Your Parcel (208) 287-7200 [email protected]
General Questions (208) 287-7200 [email protected]
G.I.S / Online Property Information Systems (208) 287-7262 [email protected]
Business Personal Property (208) 287-7247 [email protected]
Feedback – Send an Electronic Comment Card
Contact the Assessor (208) 287-7200 [email protected]

Department Phone and Fax Numbers

Department Phone Fax
 Administration (208) 287-7200 (208) 287-7209
 Appraisal (208) 287-7200 (208) 287-7229
 Land Records (208) 287-7262 (208) 287-7219
Motor Vehicles (208) 577-3135