What rent control exemptions apply in California?

Where California has a statewide or local rent cap, the statute typically exempts several categories: newer construction (usually buildings less than 15 years old, sometimes "rolling" 15-year window), single-family homes owned by individual landlords (often with disclosure requirement), affordable housing already regulated under separate program, owner-occupied buildings of 2 to 4 units, and units already covered by a different rent stabilization program. The exemptions are statute-specific and frequently litigated. A landlord claiming an exemption usually must give the tenant a written notice of the exemption status (form prescribed by statute) at lease signing or before the increase. California requires 30 days notice for rent increases of 10% or less and 90 days notice for increases above 10%. AB 1482 caps annual increases at the lower of 5% + local CPI or 10% flat, with exemptions for natural-person single-family owners and buildings under 15 years old.

Source: Cal. Civ. Code 827(b)