California Proposition 13 may refer to: 1978 California Proposition 13, People's Initiative to Limit Property Taxation 2010 California Proposition 13, Seismic Retrofitting 2020 California Proposition 13, Public Preschool, K-12, and College Health and Safety Bond Act
See also California ballot proposition, a referendum or initiative submitted to the California electorate for a vote List of California ballot propositions