Yellowstone CountyOffice Hours
Supervisor
Mailing Address
P.O. Box 35017
Billings, MT 59107
Physical Address
2323 2nd Ave. N.
Billings, MT 59101
Phone
Office hours for most County Departments are 8:00am to 5:00pm.
Office hours for most County Departments are 8:00am to 5:00pm Monday through Friday, with the following exceptions:
The Motor Vehicle Department is open 7:00am to 5:45pm Monday through Friday.
The Laurel branch of the Motor Vehicle Department is open 9:00am to 12:00pm and then 1pm to 4:30pm Monday through Friday (closed noon to 1pm for the lunch hour).
The Metra branch of the Motor Vehicle Department is open 6:30am to 3:00pm Monday through Friday.
Justice Court is open from 8:00am to 5:00pm Monday through Friday (closed noon to 1pm for the lunch hour)
The Public Works Shop and Noxious Weed Division are open from 7:00am to 5:30pm, Monday through Thursday.
The Junk Vehicle Department is open from 8:30am to 5:00pm Monday through Thursday, closed on Friday. Junk Vehicle Retrieval hours are from 7:30am to 5:00pm Monday through Thursday.
Holidays for 2026
(all County offices are closed on these dates)
New Year's Day 2026 - Thursday, January 1, 2026
Martin Luther King Day - Monday, January 19
President's Day - Monday, February 16
Memorial Day - Monday, May 25
Independence Day - Friday, July 3*
Labor Day - Monday, September 7
Indigenous Peoples' Day/Columbus Day - Monday, October 12
State/National Election Day - Tuesday, November 3
Veteran's Day - Wednesday, November 11
Thanksgiving Day - Thursday, November 26
Christmas Day - Friday, December 25
New Year's Day 2027 - Friday, January 1, 2027
* If the holiday falls on a Saturday, the holiday is observed on Friday.
* If the holiday falls on a Sunday, the holiday is observed on Monday.
The holiday for the State General Election/National Election is every even year on the first Tuesday following the first Monday in November.