California Penal Code section 53071 preempts almost all local firearm regulation, so LA County cannot license or restrict gun ownership beyond state law. Narrow zoning and discharge rules survive in unincorporated areas under LACO Title 13.
Penal Code section 53071 fully occupies the field of firearm registration, licensing, manufacture, sale, possession, and transportation, voiding most conflicting county ordinances. LA County retains zoning authority over firearm dealers under Title 22.140.300 of the planning code, and may regulate discharge and storage on unincorporated land through Title 13. Statewide SB-2 sensitive-place rules adopted in 2024 apply countywide, in both unincorporated areas and the 88 cities. Federal Gun-Free School Zones Act and ATF rules layer on top. Contract cities follow the same state rulebook even when LASD provides policing services.
Violations of state firearms law are misdemeanors or felonies under the Penal Code; the county can prosecute discharge or zoning breaches but cannot add registration penalties beyond state law.
See how El Monte's local firearms preemption rules stack up against other locations.
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