Ada County government consists of nine elected officials and 13 county departments. We are dedicated to serving the needs of all residents & visitors.
Boise, Idaho
Joined May 2009
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Do you qualify for property tax relief?
The deadline to apply is April 15th. Send to someone who may qualify. Learn more adacounty.id.gov/
Outdoor lovers rejoice. Ada County's Park at Expo is set to open in 8 months. Check out the video! youtube.com/watch?v=Yn0u4MKL…
The Ada County Assessor's Office is now offering you the option to renew your vehicle registration virtually. All the benefits of renewing in-office, but with the added convenience of using your phone or computer from anywhere
adacounty.id.gov/assessor/id…
Ada County retweeted
West Nile Virus Detected in Ada County Mosquito Traps in Meridian–09/02/2025
adacounty.id.gov/weedpestmos…
Did you know you can see where West Nile Virus has been detected in Ada County? Check out the mosquito tracker.
gisprod.adacounty.id.gov/arc…
Are you following along as The Park at Expo Idaho is built? The transformation of the area behind where the Western Idaho Fair happens every year is amazing!
Have you seen the latest progress on The Park at Expo Idaho? See more of the epic transformation and more in this month's Ada County newsletter. Sign up to receive it automatically. adacounty.id.gov/commissione…
Ada County retweeted
Ada County Clerk Trent Tripple and a few members of our Auditor's team have been learning best practices at the @GFOA Conference. 📈
Speaking with Trent Tripple, City Clerk from @AdaCountyClerk , Idaho, at #GFOA2025, where he reflects on his team’s recent ERP and HCM upgrades—and how this conference is helping them tackle real-world budgeting and operational challenges.
📍 Meet us at Booth #644 @GFOA !
6 months into a 24-month project. Here's how the new epic Park at Expo Idaho project is going.
youtube.com/watch?v=ZIRRvY5h…
Ada County Commissioners voted on June 17th. to prohibit fireworks in parts of Unincorporated Ada County that constitute a severe fire threat. See interactive map.
gisprod.adacounty.id.gov/app…
The 2025 Float the Boise River season starts this Friday, June 20th. This year, the start date coincides with the first day of summer in the northern hemisphere. adacounty.id.gov/
FY26 Budget Presentations are underway. Watch live and learn about the mandated programs and services provided by Ada County.
Have you seen the progress on The Park at Expo Idaho?
Check out the transformation in progress! Amazing!
youtube.com/watch?v=xJUj0VZA…
Ada County retweeted
Did you know there is an election in Ada County on May 20? There are approx. 271,000 eligible voters this election, within 186 precincts.
For more information about the upcoming election, visit our website: adacounty.id.gov/elections/e…
