LOS ANGELES (AP) — Republican presidential candidate Marco Rubio is turning to a state known as a perennial source of campaign dollars.

In California, Rubio has private fundraisers on his agenda in San Francisco and in Los Angeles. The Florida senator also plans to deliver a speech Tuesday in Los Angeles, the only public event on his two-day swing.

READ MORE: Grandmother, 4 Children Shot And Killed In Lancaster Home; Father Germarcus David Arrested

It’s unclear if California will factor in a Republican primary fight, apart from its concentration of donors.

READ MORE: Container Fees Delayed Another Week With Cargo Movement Improving At Ports Of LA, Long Beach

If the nomination is locked up in the campaign’s early stages, California’s June 2016 primary election could be a mere formality. But it could also become a battleground if the race is tight.

It’s Rubio’s first visit to California since he declared his candidacy this month.

MORE NEWS: Joseph Huertas Arrested In Ex-Girlfriend's Stabbing Death In East LA

(Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)