Roughly one in six California houses is owned by someone who doesn’t live there – but investors’ market clout varies across the state.
That’s what my trusty spreadsheet found after reviewing a BatchData report that found investors of all sizes own 1.28 million houses statewide – 17% of California’s supply of houses and townhomes.
Investors in this study include everything from giant companies controlling thousands of houses to folks with a small collection of rentals to short-term rental operators to people with a second home. Condo ownership was not included.
Where investors own
California’s No. 1 investor spot, by the number of houses owned, is Los Angeles County, where investors controlled 179,294 homes as of the 2025 third quarter.
Next were San Bernardino at 123,088, Riverside at 103,183, San Diego at 79,127, and Orange at 74,663. It’s a decidedly southern group.
Sparsely populated, remote counties had the fewest number of houses owned by investors: Alpine at 423, Inyo at 890, Modoc at 958, Glenn at 1,102, and Sierra at 1,170.

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