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Santa Clara County, CA Solar Energy: HOA Restrictions (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Statutes
Civil Code 714 and 4753
Cost limit
1000 dollars above system
Efficiency limit
10 percent loss
Approval deadline
45 days
Attorney fees
Mandatory to prevailing owner

Summary

Santa Clara County HOAs cannot ban solar under Civil Code 714 and 4753. Aesthetic rules adding over 1000 dollars or losing 10 percent efficiency are void. Complete applications deem approved after 45 days.

City-specific rules exist: San Jose, Santa Clara, Palo Alto, Sunnyvale, and Mountain View have their own hoa restrictions rules that differ from Santa Clara County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

(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 section does not apply to provisions that impose reasonable restrictions on solar energy systems. However, it is the policy of the state to promote and encourage the use of solar energy systems and to remove obstacles thereto.

Source: California Civil Code 714View official code

Full Breakdown

Civil Code 714 is the Solar Rights Act and voids any covenant, restriction, or condition that effectively prohibits or restricts the installation of a solar energy system. Civil Code 4753 extends the same rule specifically to common interest developments, declaring any provision in CC and Rs, rules, or regulations that prohibits or unreasonably restricts solar installation void and unenforceable. Unreasonable restriction is defined as one that increases the cost of the system by more than 1000 dollars over the system cost as originally specified and proposed, or decreases efficiency by more than 10 percent.

HOAs can impose reasonable aesthetic conditions such as frameless panels, matching inverter enclosures, and wire concealment, so long as those conditions stay within the 1000 dollar and 10 percent thresholds. Approval of a complete application must occur within 45 days or it is deemed approved by operation of law under Civil Code 4753(e). HOAs may require panels on garage roofs rather than primary roofs only if the alternative does not exceed the cost or efficiency thresholds. Architectural review decisions denying or restricting solar are subject to Internal Dispute Resolution under Civil Code 5900 and enforcement actions in Santa Clara County Superior Court with mandatory attorney fees to the prevailing homeowner under 714(f).

Frequently Asked Questions

Can my HOA require me to put panels on the back roof?
Only if doing so does not increase system cost by more than 1000 dollars or reduce output by more than 10 percent compared to your original design. Below those thresholds a rear roof condition is reasonable, above them it is void.
What if the HOA ignores my application?
Under Civil Code 4753(e), if the HOA fails to act within 45 days of a complete application the solar proposal is deemed approved. Document submission date and send by trackable mail, then install after 45 days if no response.

Sources & Official References

Other rules in Santa Clara County

All Santa Clara County rules

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