Adams County, Colorado

Adams County Assessor

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

About this race

Democratic incumbent Thomas Swingle was unopposed in his June 30, 2026 primary (51,806 votes, 100%); no Republican candidate filed, per the certified canvass. He is expected to appear unopposed on the November 3, 2026 ballot; the county's certified November list was not yet posted as of Sept 8, 2026, so a late unaffiliated or minor-party petition candidate could not be ruled out.

What this office does

Property assessor. The assessor determines the taxable value of every parcel of real estate and, in many states, of business property, using state-set methods and market data. Those values, multiplied by rates set by other elected bodies, produce property tax bills. The assessor also administers exemptions such as homestead or senior exemptions.

This race. Every voter in Adams County votes on this seat. The sitting officeholder, Thomas Swingle, is on the ballot. One name is on the ballot for this seat.

Colorado › Adams County › Adams County Assessor

Thomas Swingle

Democratic Incumbent

Top priorities

Modernizing assessment systems with GIS and data-driven tools
Transparency and accountability in property assessments
Experience-based leadership drawing on two decades in the office

Per the campaign site.

Biography

Swingle is the sitting Adams County Assessor, per the county's official assessor page. He has more than 20 years of experience in property assessment, including as a GIS specialist and real estate appraiser, and holds a Colorado Ad Valorem Appraiser license, per his campaign site. He was unopposed for re-election in the Democratic primary, per the certified canvass.

Campaign site (opens in a new tab)

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Voting info and more

Questions about this race

Who is running for Adams County Assessor in 2026?

When is the Adams County Assessor election in Colorado?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Colorado are on the Colorado election hub at theballotbrief.com.

How do I see my exact Adams County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Adams County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Colorado election office, or see the full Adams County sample ballot and your exact ballot by address.

The rest of your Adams County ballot

20 tracked races in Adams County, Colorado. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Adams County Coroner Colorado Senate District 21 Colorado Senate District 24 See all 20 Adams County races

Candidate profiles

Thomas Swingle, full profile Official Colorado election office