Solar Energy in Alameda County, CA (2026)

3 county-level rules, plus city-specific rules for 6 cities in Alameda County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Alameda County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Panel Permits

Alameda County offers 3-business-day solar permitting under AB 2188 and SB 379. Systems must comply with Title 24 and the 2022 Solar Mandate for new homes.

Solar Panel Permits in Alameda County

Some Restrictions

California Government Code § 65850.5(b), (g)(1) (AB 2188)

(b) A city or county shall administratively approve applications to install solar energy systems through the issuance of a building permit or similar nondiscretionary permit. Review of the application to install a solar energy system shall be limited to the building official's review of whether it meets all health and safety requirements of local, state, and federal law. ... (g)(1) On or before...

Full ordinance details →Official source ↗

HOA Restrictions

Alameda County HOAs cannot prohibit solar under CA Civil Code 714 (Solar Rights Act). Only reasonable restrictions are allowed that do not significantly reduce efficiency or raise cost.

HOA Solar Restrictions in Alameda County

Few Restrictions

California Civil Code § 714(a)–(b)

(a) Any covenant, restriction, or condition contained in any deed, contract, security instrument, or other instrument affecting the transfer or sale of, or any interest in, real property, and any provision of a governing document, as defined in Section 4150 or 6552, that effectively prohibits or restricts the installation or use of a solar energy system is void and unenforceable. (b) This secti...

Full ordinance details →Official source ↗

Expedited Solar Permitting

Unincorporated Alameda County runs a checklist-based, administrative-only review for small residential rooftop solar systems, with just one consolidated inspection.

Expedited Solar Permits in Alameda County

Light Restrictions

Alameda County Code § 15.08.195 (Section 458.3, 458.4)

An application for a permit to install a small residential rooftop solar energy system shall be processed in accordance with Government Code Section 65850.5. ... For a small residential rooftop solar energy system eligible for expedited review, only one consolidated inspection shall be required, which shall be done in a timely manner.

Full ordinance details →Official source ↗