The majority of your personal information changes can be through UltiPro. Here's a small sampling of changes you can make through the Myself tab.
- Name/Marital Changes
- Marital Status
- Address
- Contacts
- Phone Number
- W-4 Tax Filing
All Larimer County Administrative Offices, Courts, and the District Attorney will be closed Tuesday, November 11, 2025, to celebrate Veterans Day.
The Larimer County Landfill will be open.
The majority of your personal information changes can be through UltiPro. Here's a small sampling of changes you can make through the Myself tab.

HOURS: Monday - Friday, 8:00am-4:30pm
200 West Oak, Suite 3200, Fort Collins, CO 80521
PO Box 1190, Fort Collins, CO 80522
PHONE: (970) 498-5970 | FAX: (970) 498-5980
Email Human Resources
Email Benefits Team