2 county-level rules, plus city-specific rules for 1 city in San Joaquin County, California.
Verified from official government sources
San Joaquin County Development Title requires outdoor lighting to be fully shielded (full-cutoff), directed downward, and not spill across property lines. Glare into public roadways is prohibited. LED color temperature is encouraged at 3000K or below. Lighting near Stockton Metropolitan Airport must not interfere with pilot night vision or airfield lighting.
Unincorporated San Joaquin County regulates outdoor lighting under the Development Title dark-sky and glare provisions, requiring fixtures to be shielded so that light does not spill onto adjoining properties or across roadways. Lighting near rural AG-zoned land and the Lodi AVA wineries must avoid measurable illumination at property lines, and violations are handled by Community Development code enforcement as nuisance cases.
1 cities in San Joaquin County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
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