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About

Jim Desmond is a San Diego County Supervisor, former Mayor of San Marcos, retired Delta Air Lines captain, and U.S. Navy veteran who is running for Congress in the 48th District. He emphasizes his local government leadership, border security advocacy, and focus on lowering costs and homelessness. Desmond was endorsed by retiring incumbent Darrell Issa and by President Donald Trump, was added to the NRCC's MAGA Majority program, and hosted a late-September 2026 fundraiser with House Speaker Mike Johnson.

Positions on Key Issues

Tech & AI

Supports establishing local safeguards and potential regulations on artificial intelligence data centers to protect residents from higher energy and water costs and strain on infrastructure. He advocates exploring options such as on-site energy generation, infrastructure cost-sharing, water-use limits, and preventing incompatible development near homes, hospitals, and schools.

Choose another issue above to review the remaining researched positions.

Background

Career History

San Diego County Supervisor, District 5 2019 – Present
San Diego County Board of Supervisors

Elected in 2018, reelected in 2022. Served as Vice Chair from 2020-2021. Focused on homelessness, border security, and county services.

Mayor 2006 – 2018
City of San Marcos, California

Served as mayor for 12 years after serving on the city council from 2004.

Airline Captain 1986 – 2020
Delta Air Lines

Retired after 33 years as a pilot, flying Boeing 757 and 767 aircraft.

Aircraft Electrician 1974 – 1979
United States Navy

Served as an aircraft electrician.

Founder 1985 – Present
Technical Standards, Inc.

Founded a technical writing company after graduating from San Diego State University.

Education

San Diego State University Bachelor of Science in Electrical Engineering (1985)

Top Donors

Desmond raised roughly $272,000 in the filing period ending June 30, 2026, but entered the general election with more than $1.2 million in cash on hand, a financial edge over Democrat Marni von Wilpert. His donor base is heavily weighted toward small-dollar grassroots Republicans, amplified by Donald Trump's endorsement, and he was endorsed by retiring incumbent Darrell Issa.

Voting Record

Has not held state or federal legislative office. As a San Diego County Supervisor since 2019, he has voted on the county's annual budget, advanced a regional homeless funding audit, supported clearing homeless encampments during fire weather, and championed veteran homelessness reduction initiatives. Previously served three terms as Mayor of San Marcos (2006–2018), where he focused on public safety and fiscal restraint.

About this research

Data compiled from public sources and analyzed using AI. Last updated October 10, 2026. Visit candidate websites for the most current information.

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Independent, sourced election research for informational purposes. Always confirm voting information with official election authorities.

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