California Penal Code section 53071 preempts almost all local firearm regulation, so Santa Clara County cannot register or restrict gun ownership beyond state law. Narrow zoning and ammunition vendor rules survive in unincorporated areas under SCC Ord. NS-509.99.
Penal Code section 53071 fully occupies the field of firearm registration, licensing, manufacture, sale, possession, and transportation, voiding most conflicting county ordinances. Santa Clara County retains zoning authority over gun dealers and ammunition vendors under Ordinance NS-509.99 and County Zoning Ordinance Division C13, which require permits, separation buffers, and security plans for firearm businesses in unincorporated areas. Statewide SB-2 sensitive-place rules adopted in 2024 apply countywide across all fifteen cities and unincorporated areas. The County Sheriff and federal ATF rules layer on top. San Jose, Sunnyvale, and Mountain View have parallel municipal codes for businesses inside their city limits.
Violations of state firearms law are misdemeanors or felonies under the California Penal Code; the county can prosecute zoning or vendor breaches under NS-509.99 but cannot add registration penalties beyond state law.
Santa Clara County, CA
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Santa Clara County, CA
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Santa Clara County, CA
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See how Santa Clara County's local firearms preemption rules stack up against other locations.
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