Treasurer’s Office Contact Information
The Ada County Treasurer is located on the east side of the first floor of the Ada County Courthouse at 200 West Front Street in Boise, Idaho.
Our mailing address is: P. O. Box 2868, Boise, Idaho 83701
Please contact us by phone at 208-287-6800 or by fax at 208-287-6809
Our office is open Monday through Friday from 8:00 AM to 5:00 PM