Santa Rosa, CA Solar Energy: Panel Permits (2026)

Chapter 18-68 covers any "small residential rooftop solar energy system," defined as one no larger than 10 kilowatts AC nameplate rating or 30 kilowatts thermal, installed on a single- or duplex-family dwelling roof, that does not exceed the zoning code's maximum building height, and that meets state fire, structural, electrical, and health and safety codes. 040 requires every system to meet state and City health and safety standards; water-heating systems must be certified by an accredited listing agency under the California Plumbing and Mechanical Codes, and electricity-producing systems must meet California Electrical Code, IEEE, and Underwriters Laboratories (or equal) standards, plus applicable CPUC safety and reliability rules.

050 requires the Building Official to post all application documents on the City website and adopt a standard plan, checklist, and electronic submittal process (email, internet, or fax) that substantially conforms to the California Solar Permitting Guidebook published by the Governor's Office of Planning and Research. 060 requires the applicant to verify, using standard engineering evaluation, that the roof support structure can carry the added wind, seismic, dead, and live loads, and to verify at the applicant's cost that the existing electrical system, including panel and subpanel sizing, can carry the new photovoltaic loads.

Review is limited to a completeness and checklist-compliance check; a complete application must be approved or rejected within three business days, and resubmittals get the same three-day turnaround, though additional plan review fees can apply. If the Building Official finds a specific, quantifiable adverse impact on public health or safety, such as excessive glare or impacts to airports or water resources, the applicant can instead be routed to a discretionary Minor Use Permit, appealable to the Planning Commission. City approval does not authorize grid connection; that approval comes separately from the utility.