SAN DIEGO — A wave of last-minute retirements, entrances, and withdrawals has upended the political landscape across San Diego County’s southern, border-adjacent cities just as candidate filing closed for November’s election, setting up contests that will test the relative strength of organized labor, business interests, and shifting party allegiances in one of the region’s most closely watched political corridors.
The most consequential shift came in National City, where Mayor Ron Morrison’s surprise retirement announcement, after years of expectation he would seek a fifth term, threw the race to succeed him wide open. City Councilmember Marcus Bush, who received Morrison’s endorsement, now faces fellow Councilmember Jose Rodriguez in a contest between former allies turned rivals. Bush has positioned himself as open to working across party lines and with business interests, while Rodriguez has built his campaign around an alliance with the county’s labor movement, citing his mother’s experience as a non-union hotel housekeeper as formative to his politics. Whichever candidate prevails, National City is on track to elect a Democratic mayor for the first time in years, a shift with direct implications for how the fiscally strained city, which faces acute budget problems and a sagging local economy, approaches its finances going forward.
In Imperial Beach, City Councilmember Matthew Leyba-Gonzalez’s decision to enter the mayoral race days before the filing deadline scrambled what had appeared to be a stable two-way contest between incumbent Mitch McKay and retired school administrator Karl Bradley. Leyba-Gonzalez, a union business official, could split the Democratic-leaning vote in ways that benefit McKay, a registered independent who has taken a lower-key approach to the city’s ongoing Tijuana River sewage crisis than his predecessor, County Supervisor Paloma Aguirre. Bradley, by contrast, is campaigning on a return to more assertive sewage-crisis activism. A separate late surprise in Imperial Beach, Councilmember Carol Seabury’s decision not to seek re-election, citing medical and family issues, has opened her council seat to a contest between business owner Steve Berry, Seabury’s chosen successor, and school trustee and community organizer Jose Lopez Eguino.
Chula Vista, the county’s second-largest city, presents a more settled but still consequential picture. Republican incumbent Mayor John McCann emerged from the June primary with 56 percent of the vote and a significant fundraising advantage over Democratic challenger Francisco Tamayo, a school district trustee. Tamayo benefited from more than $150,000 in outside spending by a construction workers’ union during the primary, but that same union has since faced community backlash over a separate ballot measure it sponsored to restructure Chula Vista’s government, leaving its appetite for further involvement in the mayoral race uncertain heading into November.
Collectively, these races matter well beyond city hall politics. South County’s cities sit at the intersection of San Diego’s binational economy, its labor politics, and its housing and infrastructure pressures, and the outcomes will shape how aggressively the region pursues solutions to the Tijuana River sewage crisis, how local governments balance public-sector labor costs against strained budgets, and how much influence organized labor retains in a part of the county where union backing has historically been decisive. The scramble also illustrates a broader dynamic playing out across California’s border region this cycle: with redistricting and retirements reshaping several higher-profile congressional contests farther north, San Diego’s most consequential political change this November may be unfolding closer to street level, in city council chambers and mayor’s offices rather than in Washington.
With three months left before Election Day, South County voters can expect the region’s characteristically unsentimental political style, and the substantive fights over labor, budgets, and sewage infrastructure beneath it, only to intensify.
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