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Elections / Offices / California State Assembly — District 19

California State Assembly — District 19

June 2026 California Primary June 2, 2026 Upcoming

AI Race Summary

AD-19 covers the western neighborhoods of San Francisco (Sunset, Richmond, Lake Merced, Lakeside) and northern San Mateo County (Daly City, Brisbane, Colma, parts of South San Francisco). Incumbent Catherine Stefani won the seat in 2024 and faces a single Republican challenger in the primary. Housing supply, Westside transit, public safety, and gun-violence prevention dominate the conversation.

Candidates · sorted by endorsements

Catherine Stefani

Catherine Stefani

Democrat · Incumbent Assemblymember

First-term Assemblymember (sworn in December 2024) and former San Francisco Supervisor (D2, 2018–2024). Former Contra Costa County Deputy DA and policy aide to former Speaker Herb Wesson and San Jose Vice Mayor Cindy Chavez. Founded the San Francisco chapter of Moms Demand Action and built her supervisor record on community policing, gun-violence prevention, and pro-housing votes. Holds a BA from St. Mary's College of California and a JD/LLM from McGeorge School of Law.

Philip Louis Wing

Philip Louis Wing

Republican · Retired Financial Advisor

Retired financial advisor; the lone Republican on the AD-19 ballot.