Jacobs is said to be weighing future political opportunities.

An ex-Republican politico, a super-rich heiress with future office in mind, a giant power company, a Beverly Hills outfit seeking to preserve its lucrative Mission Bay leasehold, and lots of labor unions have helped keep the local Democratic Party well ahead of its traditionally better-monied GOP rival as the end of 2019's first half nears.

Maienschein deserted Republican ranks in January.

Preliminary fundraising disclosure data maintained by the California Secretary of State's office show that as of June 21 local Democrats have so far collected $220,974 in so-called late and $5000-plus contributions since January, compared to the GOP's $83,950.

The Democrats' stash got a boost by the March 20 infusion of $15,000 from newly-minted Democratic Assemblyman Brian Maienschein, reviled by the GOP for deserting Republican ranks in January.

Last November, incumbent Maienschein nearly fell to Democratic challenger Sunday Gover, whose well-funded campaign on Facebook invoked the specter of president Donald Trump.

Maxcy Winery on Rancho Guejito. It gave $10,000 to the GOP.

"It's simple: A vote for Republican Brian Maienschein is a vote for Trump," said one Democratic pitch. "Maienschein and Trump are wrong on health care, wrong on the environment and wrong for San Diego."

Added another: "Brian Maienschein isn't serving us — he's scamming us. While San Diego went broke, Maienschein schemed to get himself a taxpayer-funded city pension at age 39."

Before he signed up with the Democrats, Maienschein's 2018 reelection committee gave the San Diego County Republican Party $22,500 during the second half of 2018, records show.

Stuck in the Rough delivered $25,000 to GOP.

The most recent filing for the ex-Republican's 2018 campaign fund shows an ending cash balance of $839,910 as of the end of the year. The fate of that money won't be revealed until the next disclosure deadline at the end of July.

On May 21, Sara Jacobs, the young heiress to part of the Qualcomm fortune of her grandfather Irwin Jacobs, kicked in $15,000 for the Democrats. Having lost last year's primary campaign to replace departing GOP House member Darrell Issa, she is said to weighing future political opportunities here.

Sempra Energy, facing a continued battle to keep its local power distribution monopoly intact, gave Democrats $10,000 on June 5, the disclosures show. Campland, LLC, lobbying hard against environmentalists to preserve its lucrative resort lease on San Diego's Mission Bay, contributed $5000 on March 15.

Two North County land development interests were the biggest donors to Republicans, with the sprawling Rancho Guejito, controlled by Manhattan heiress Theodate Coates, giving $10,000 on May 17. Stuck in the Rough, famous for deploying a smell load of manure against opponents of its Escondido golf course redevelopment plans, delivered $25,000 on May 28.

The San Diego County Guns Owners PAC, fighting proposed city gun storage regulations, gave the GOP $2500 on May 23.

Sempra gave $5000 on May 8.