Jefferson County has a history rich in people, events and progress. Explore the park and recreation districts, arts and music, museums and attractions that Jefferson County has to offer.

Here you will find a list of departments, divisions and elected offices for Jefferson County with a brief description of each department responsibilities and services.

Engage Jeffco includes important updates from the county, community events, classes, health and safety information, announcements and more. Read on... Jefferson County Appoints Daniel Conway as New Chief Financial Officer

Plan your visit to Jefferson County. Find directions, maps and about our locations.

The Colorado State Judicial Branch operates, and is responsible for, all Jefferson County court functions. You can find information on services by using the links below to get to its website or you can contact the courts at 720-772-2500.

©2025 Assessor Property Records Search – Jefferson County, CO. Author: James Keller Number: SX05 Number: SX05

A career with Jefferson County Government offers the best candidates career growth, a diverse workforce and the opportunity to participate in a strong tradition of public service. Find the perfect job for you.

Jefferson County has a history rich in people, events and progress. In the beginning, Pike’s Peak country, remote from the surrounding governments of Kansas, Nebraska, Utah, New Mexico, and Washington Territories, needed a local government.

The Property and Taxes center is the place to find the main areas for residents to find information they need from multiple Jefferson County departments, divisions and elected offices on both property and what is needed for taxes.

Discover the earliest history of Jefferson County from the discovery of gold to the establishment of a provisional Jefferson Territory government. 1860s. During the 1860s, Jefferson County opened its first school, endured windstorms, floods and a plague of locusts, and entertained General Ulysses S. Grant on his visit to Golden City. 1870s