Democrat JoAnna Mendoza Refuses To Explain Opposition To Prop 318 Protecting Girls’ Sports And Spaces

August 12, 2026

By Staff Reporter |

Arizona Democrat’s nominee for the 6th Congressional District refused to elaborate this week on why she opposes a measure that would prevent males from entering female-only spaces and sports. 

JoAnna Mendoza ignored public questioning when asked about her opposition to Proposition 318, a ballot initiative that would require schools and athletic associations to restrict individuals to private spaces and sports teams designated for their biological sex. 

The proposition, titled “Require Schools and Athletic Associations to Restrict Use of Restrooms, Locker Rooms, and Other Privates Spaces Based on Sex,” would also define sex as the biological status as male or female recorded at birth on the original birth certificate. 

Mendoza indicated in a statement to American Journal News last month that she opposed the proposition. Mendoza implied that the question shouldn’t be decided by a ballot vote but should instead be decided by parents, coaches, and sports associations. 

“As a mom, I know that parents just want to protect their kids on the playing fields and across Arizona,” said Mendoza. “Rules about keeping sports fair and safe for young people should be made by the people who know the most — parents, coaches, and sports associations — not politicians.”

Mendoza is running for the 6th Congressional District to unseat its Republican incumbent, Rep. Juan Ciscomani. 

Mendoza had previously stated during the 2020 campaign for the state legislature that legislation requiring strict biological gender adherence for sports teams was “toxic” and non-inclusive. In deleted interview footage, Mendoza said public schools and sports needed to be inclusive of transgenderism.

“And I believe that we need to ensure that our students from all backgrounds from the LGBTQ community should feel accepted and safe in their environments and at school,” said Mendoza.

The National Republican Congressional Committee spokesperson Ben Petersen said Mendoza was a “far-left lobbyist” that has strategically toned down her rhetoric on these politicized issues. 

“Lobbyist Mendoza called concerned parents ‘toxic’ for wanting to protect girls’ sports, and now she won’t even explain why she opposes this common sense ballot initiative,” said Petersen. 

It was also during her 2020 campaign that Mendoza advocated for legalizing prostitution, especially for transgender women of color and other communities she characterized as marginalized. 

Mendoza has received backing from major Democratic donors. 

Mendoza raised more than $7.3 million. Some of her biggest single contributors have been the House Victory Project 2026, JStreetPAC, New Politics Next Mission Fund, Dem Rising 2026, Emily’s List, Invest to Elect Illinois Battleground Support 2026, and VoteVets Hellcat Victory. 

Mendoza also received funding from the Soros family via George Soros’ son Jonathan Soros.

In recent weeks, Mendoza has faced questions over her campaign salary and financial disclosures changes. In her 2026 candidate financial disclosure filed last month, Mendoza reported receiving a salary of more than $35,000. Other campaign finance filings reflecting regular payroll payments to Mendoza indicated that she was compensated much higher: approximately $102,000 annually before taxes. 

OpenPolitical’s federal campaign finance data reflected that Mendoza’s campaign reported nearly $300,000 in payroll-related expenditures. 

Ciscomani has raised more than $6.1 million. His biggest single contributors so far have been the Ciscomani Victory Fund, Grow the Majority, Defend Our Majority, and Emmer Majority Builders.

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