Ballot Math / Arizona Legislature / LD18
Candidate races: Arizona Legislature, District 18

LD18: the Tucson Democratic stronghold with a Republican on each ballot

November 3, 2026 general election. District 18 is entirely in Pima County, covering Casas Adobes, the Catalina Foothills, and parts of northern and central Tucson. Registration: 39.51 percent Democratic, 27.33 percent Republican, 33.16 percent other, per the 2026 General Election Guide. The Independent Redistricting Commission rated the district Not competitive, with a key election vote spread of Democratic plus 20.4 percent in the Arizona Republic guide, and the 2024 presidential vote inside the district was Democratic plus 24.0 points. In 2024 the Democratic senator ran unopposed. This year Republicans fielded a candidate for every seat, which makes the races contested and, on the numbers above, still not close. This page says both things plainly.

State Senate: Sundareshan vs. Everett

The structural fact: Sen. Priya Sundareshan is the Senate minority leader and a co chair of her party's legislative campaign committee, which means LD18's senator is also one of the strategists trying to flip the neighboring LD17 seat. She won this seat in 2022 by 62.2 to 37.8 percent and had no Republican opponent at all in 2024. Douglas Everett's candidacy ends the free pass, but no source consulted rates this race competitive, and Everett's March 2026 money, about $23,189 raised, is a challenger budget in a district that leans Democratic by more than 20 points.

Priya Sundareshan (Democrat, incumbent)

State senator since January 2023, and Senate minority leader since January 13, 2025. Co chair of the Arizona Democratic Legislative Campaign Committee. Before the Legislature she was a natural resources law professor at the University of Arizona; earlier she worked as an analyst for PA Consulting Group in Cambridge, Massachusetts, from 2006 to 2008. She won the open LD18 seat in 2022 after beating Morgan Abraham in the Democratic primary, 55.6 to 44.4 percent, and Stan Caine in the general election. She won her 2026 primary unopposed with 28,891 votes.

Key votes (verified individually):

  • HCR 2001 (2026), the voter ID constitutional referral that became Prop 144 in its House form: NO. The Senate vote was 16 to 12 on June 12, 2026, per the Freedom Index listing of the vote. Her no was a vote against sending the ID for every ballot requirement to voters; Prop 144 itself is covered on its own page.
  • SB 1520 (2025), rural groundwater: NO. The Senate passed it 18 to 10, with Sundareshan in the no column and Sen. Shope of LD16 in the yes column, per the azleg.gov record. Her no sits alongside her broader record of pushing for stronger groundwater regulation, including the Rural Groundwater Management Act discussed under Rep. Mathis below, which Republican chairs blocked from a hearing.
  • SB 1186 (2026), the pay to play contractor disclosure bill: NO, and she called it a messaging vehicle rather than a workable reform, per Arizona Globe coverage of the floor debate. Gov. Hobbs had vetoed a similar bill the year before.

Stated priorities, attributed: water conservation and protecting water resources, fully funding public education, abortion access, renewable energy, and lowering the cost of living, per the Arizona Republic and Democrats of Greater Tucson. As minority leader she has also made the statewide case that Democrats are running on affordability, public schools, reproductive freedom, voting rights, and water security.

Money: no campaign finance total for Sundareshan was included in the Wikipedia Senate summary, which printed a fundraising table for her Republican opponent and none for her, and no later verified total was located. None is printed here.

Controversies: none personal found. Her SB 1186 vote drew Republican criticism as part of the pay to play fight over a Hobbs donor; her stated reason, that the bill was a messaging vehicle, is printed with the vote above.

Douglas Everett (Republican)

Retired engineer, and a licensed motorist for antique street cars, in the Arizona Republic's description. He won the Republican primary unopposed with 15,215 votes. This entry is shorter than the incumbent's because the public record on Everett in the sources consulted is thin, and padding it would be worse than saying so.
  • Stated priorities, per the Arizona Republic: better roads, strong border security, and protections for school choice in Arizona.
  • Money: campaign finance reports as of March 2026: raised $23,189.16, spent $1,397.61, $1,250.00 on hand, as printed in the Wikipedia summary of See the Money. The raised, spent, and on hand figures do not reconcile on simple subtraction, likely because of a starting balance or a reporting period boundary; the discrepancy is flagged in the verification notes rather than silently fixed.
  • Controversies: none found. No detailed biography, campaign platform document, or interview beyond short summaries was located as of October 26, 2026.

State House: two seats, three candidates, one Republican

How this race works: vote for up to two. With two Democratic incumbents and only one Republican, Bob Dohse needs a top two finish to take a seat, which means outpolling at least one incumbent who won this district comfortably in 2022 and 2024. The same one Republican structure applied in 2022, when Republican Linda Evans finished third with 25.40 percent of the vote against Gutierrez at 38.19 percent and Mathis at 36.40 percent. The Democratic primary this year was uncontested in effect: Gutierrez took 27,096 votes and Mathis 23,557, and Dohse took 15,044 as the only Republican.

Nancy Gutierrez (Democrat, incumbent)

State representative since January 9, 2023, serving with Chris Mathis, and assistant minority leader of the House Democratic caucus. Born in Tucson. She earned a bachelor's in elementary education with an emphasis in mathematics from Northern Arizona University in 1994 and taught preschool, elementary, high school, and community college mathematics, including at Tucson High Magnet School from 2013. She is a certified yoga teacher, was elected president of the Manzanita Elementary School family faculty organization in 2010, and was elected president of the Tucson chapter of the National Organization for Women in 2018.
  • Key vote (verified individually): HB 2403 (2026), AHCCCS provider increase appropriation: YES, on the 41 to 9 House floor vote.
  • Record and stated priorities: a frequent advocate for increased spending on public education, protections for abortion, and gun control legislation, per the Arizona Republic, which lists endorsements from the Arizona teachers association, the Sierra Club, and Planned Parenthood, as printed in the verification notes. At a 2026 LD18 event she called the ESA voucher program a billion dollar program with, in her words, a 20 percent fraud rate, a figure printed here as her claim from Blog for Arizona's reporting, not as an audited finding. In a 2024 debate she supported a cap on how much a landlord can raise rent, saying landlords were raising rent 20, 30, and 40 percent a year with no cap in Arizona law.
  • Money: no clean 2026 cycle total located, so none is printed. Controversies: none personal found; her ESA and budget rhetoric is partisan combat with Republican leaders, reported as such, including her line calling the Republican budget corporations first, data centers first, Arizona last.

Chris Mathis (Democrat, incumbent)

Listed as Christopher Mathis in some sources. State representative since 2021, when he was appointed to the seat, and returned by voters in 2022 and 2024. A health care law professor at the University of Arizona who, in the Arizona Republic's summary, has worked at the intersection of health care and politics through several political bodies across the country. Ranking Democrat on the House Natural Resources, Energy and Water Committee. Endorsed, per the Republic, by the Arizona Medical Association, Arizona Realtors, and the Arizona Nurses Association.
  • Key vote (verified individually): HB 2403 (2026), AHCCCS provider increase appropriation: YES, same 41 to 9 floor vote as Gutierrez.
  • His signature fight: the Rural Groundwater Management Act, co introduced with Sen. Sundareshan, which sought stricter regulation and local control over unchecked rural groundwater pumping. Blog for Arizona reports it was blocked from even getting a hearing by Republican committee chair Gail Griffin despite hundreds of hours of negotiation. Mathis calls rural groundwater, in his words, pretty much the wild west. He also points to the 2022 conservation and augmentation appropriation of hundreds of millions of dollars, including a $200 million conservation fund he says ran out of money because it funded so many projects.
  • Stated priorities: water and energy policy, protecting Medicaid, delivering for public school students, and lowering child care costs, in his own summary of the 2025 session. On ESAs he has argued the program subsidizes affluent families, has blown a billion dollar hole in the budget in his framing, and has no funding mechanism to address it. That framing is his, attributed here.
  • Money: no clean 2026 cycle total located, so none is printed. Controversies: none found.

Bob Dohse (Republican)

Retired engineer. He says he previously worked as a campaign manager for an unnamed legislative candidate, per the Arizona Republic. Endorsed by the conservative advocacy group Turning Point USA, in the Republic's description. He won the Republican primary unopposed with 15,044 votes, and he is the only Republican for two seats.
  • Stated priorities: beyond the Turning Point USA endorsement, no platform document, questionnaire response, or detailed interview for Dohse was located in the sources consulted as of October 26, 2026. This page does not invent one.
  • Money: no campaign finance totals located. Controversies: none found.

Verification notes

  • Everett's March 2026 money figures, raised $23,189.16, spent $1,397.61, on hand $1,250.00, do not reconcile by subtraction. They are printed exactly as the See the Money summary carried by Wikipedia gives them, with the flag in his entry, rather than corrected by guesswork.
  • Money is missing for four of the five candidates on this page: Sundareshan, Gutierrez, Mathis, and Dohse. Only Everett has a dated figure. No totals were invented to fill the table.
  • Key vote depth: three votes for Sundareshan were verified (HCR 2001 via the Freedom Index vote listing, SB 1520 via the azleg.gov record, and SB 1186 via floor coverage describing her vote and her stated reason), and one House floor vote, HB 2403, for each House incumbent. No floor votes are claimed for Everett or Dohse, who have never held legislative office in the sources consulted.
  • Gutierrez's teachers endorsement is printed as the Arizona Republic lists it. The statewide teachers organization is more commonly styled the Arizona Education Association; the Republic's wording is preserved and the naming difference is noted here rather than silently changed.
  • Everett and Dohse biographies are thin in every source consulted, including the state's largest newspaper. Their entries are short for that reason, which is stated in each entry.

How to vote without getting your ballot rejected

  • Mail it by Tuesday, October 27, 2026. After that day, do not mail it: use a drop box or a vote center instead.
  • It must be received by 7 p.m. on Election Day, Tuesday, November 3. Postmarks do not count.
  • Sign and date the affidavit envelope, and write a current phone number on it.
  • For write-ins: only votes for officially filed write-in candidates are counted. Write the name exactly and fill the oval.
  • Leaving any item blank is allowed. It does not affect the rest of your ballot.

Sources

Ballot Math: analysis only, no endorsements. Same template as every race on this site: offices and record, key votes, money with dates, stated priorities, controversies with responses, and gaps admitted in the open.