One candidate is tracked for Marion County Assessor on the November 3, 2026 ballot: JOSEPH P. O'CONNOR. Candidate information follows official Marion County election filings; verify with the official election office linked below.
JOSEPH P. O'CONNOR (Democratic) is on the November 3, 2026 ballot for Marion County Assessor, per the Secretary of State's 2026 general election candidate list (updated August 27, 2026). Indiana prints unopposed candidates.
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 Marion County votes on this seat. One name is on the ballot for this seat.
Indiana › Marion County › Marion County Assessor
JOSEPH P. O'CONNOR appears on the November 3, 2026 ballot for Marion County Assessor, per the county elections office's certified candidate list. No campaign website was found as of September 8, 2026; the official election filing is the only verifiable source for JOSEPH P. O'CONNOR.
Who is running for Marion County Assessor in 2026?
One candidate is tracked for Marion County Assessor on the November 3, 2026 ballot: JOSEPH P. O'CONNOR. Candidate information follows official Marion County election filings; verify with the official election office linked below.
When is the Marion County Assessor election in Indiana?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Indiana are on the Indiana election hub at theballotbrief.com.
How do I see my exact Marion 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.
Candidate roster from official Marion County and state election office filings, last verified October 1, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Indiana election office, or see the full Marion County sample ballot and your exact ballot by address.
43 tracked races in Marion County, Indiana. Landed here from another county's search? Look up your own ballot below.