San Joaquin County processes residential rooftop solar permits under the California Solar Rights Act and AB 2188 expedited-permit mandate. Online SolarAPP+ or next-business-day over-the-counter review is available for standard systems up to 38.4 kW on 1-2 family dwellings. PG&E interconnection through NEM 3.0 is required for grid-tied systems. Fire setbacks follow CRC R324 (3 feet at roof ridge and edges).
San Joaquin County Building Services and the Stockton, Lodi, and Manteca building departments are required by California AB 2188 (Gov. Code §65850.5) to offer expedited solar permitting for small residential systems. The county and Stockton participate in the federal/state SolarAPP+ (Solar Automated Permit Processing) platform, allowing instant online permits for code-compliant PV systems up to 38.4 kW DC on single-family and two-family homes. Plans must show panel layout, structural attachments, DC and AC line diagrams, rapid-shutdown compliance (NEC 690.12), and fire setbacks per California Residential Code R324 (3-foot pathway at roof ridge and eaves, 18-inch pathway on hip/valley). PG&E is the interconnecting utility across virtually all of San Joaquin County; grid-tied systems must execute a NEM 3.0 (Net Billing Tariff) interconnection agreement adopted April 14, 2023, which pays avoided-cost export rates rather than full retail. Ground-mounted systems over 120 square feet require a standard building permit and must meet AG-zone setbacks in unincorporated areas. The California Solar Rights Act (Civil Code §714) limits HOA and easement interference with solar installations.
Installation without a permit: retroactive permit with penalty fee typically 2x the permit fee, plus $200 to $1,000 code-enforcement fine. Non-compliant fire setback or rapid shutdown: correction order from Building. Failure to execute PG&E interconnection: utility may disconnect system and bar export credit. Violations of Civ. Code §714 solar-rights by an HOA: homeowner may recover attorney fees.
San Joaquin County, CA
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