Running for State Assembly in Brentwood means competing for a Assembly seat in front of roughly 470,000 residents and 250,000+ voters per Assembly district. Most Brentwood assembly campaigns since 2018 have landed in the $200K–$2M range and won on professional campaign management, mail saturation, paid digital, and serious fundraising. Brentwood has transformed from an agricultural town to a booming suburb in just two decades. The tension between preserving farmland and accommodating new residents defines local politics, with newer homeowners pushing for services and longtime families advocating for rural character. Filing paperwork goes through the Secretary of State and county elections — plan for the March filing window for the June primary, an FPPC Form 410 the moment fundraising crosses $2,000, and a ballot designation that survives challenge under Elections Code §13107. Local Campaign Pros runs assembly campaigns for Brentwood candidates end-to-end — strategy, mail design and print, voter data, lawn signs, field, and FPPC compliance built on the Contra Costa County voter file.
Last reviewed: 2026-08-31