The Ballot Brief
Weld County, Colorado

Weld County Assessor

Colorado › Weld County › Weld County Assessor

One candidate is tracked for Weld County Assessor on the November 3, 2026 ballot: Jason Marini. Candidate information follows official Weld County election filings; verify with the official election office linked below.

Incumbent Republican Assessor Jason A. Marini won his party's June 30, 2026 primary unopposed with 32,000 votes; no Democrat filed, per the county's certified primary Election Summary Report (July 16, 2026, marked Official Results). Marini advances as the only major-party nominee found; no minor-party or unaffiliated petition candidate was located as of this writing.

Jason Marini

Republican · Incumbent

Jason Marini earned an undergraduate degree from Wabash College and a master's degree in mechanical engineering from Colorado State University, per the county's official biography. He began his career in banking before moving into real estate appraisal, obtaining his appraiser license in 2000 and founding Marini Appraisal Services; he is a Certified General Appraiser with expertise across agricultural, residential, commercial, industrial, oil and gas and pipeline property. He joined the Weld County Assessor's office in 2018 as Chief Deputy Assessor before becoming assessor.

Verify this race
Candidate roster from official Weld County Supervisor of Elections filings. Bios and priorities carry their attribution inline.
Cross-check with the official Colorado election office, or see the full Weld County sample ballot and your exact ballot by address.