City · California
ADU rules in El Cajon
2 sources
These are the primary sources for accessory dwelling unit regulations in El Cajon: the city's own zoning code, planning department pages, and permit guides. Start here before talking to anyone: the rules below are what your permit reviewer will apply.
ADU regulations
California statewide law also applies
California sets baseline ADU rights at the state level. Where local rules are stricter than state law allows, state law usually wins, so both are worth reading.
See California statewide rulesSpotted something outdated?
Zoning codes change. If a link is dead or El Cajon has updated its ordinance, report it and we'll verify against the official source.
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