In California in 2026, renting is generally cheaper monthly in major metros like Orange County, San Diego, Los Angeles, and the Bay Area, where buying carries a high ownership premium. However, in Central Valley markets, buying is more affordable with a smaller rent-buy gap. Key factors include hidden homeownership costs, a 5-7 year break-even horizon, mortgage rates around 6%, and rising rents. Renting suits short stays or unstable finances; buying benefits long-term residents with sufficient savings.