Yes — owned ADU solar typically adds $4,000–$15,000 to California appraised value (Berkeley Lab study, ~$4/W). Leased solar generally does not add appraised value.
Owned (cash or HDM) ADU solar systems typically add $4,000–$15,000 in appraised California property value at roughly $4 per installed watt. Leased systems generally do not add appraised value.
Below: full details, common edge cases, and how to get instant pricing for your specific California ADU project.
For most California ADU owners, does adu solar increase property value? comes up at one of three points: planning, permitting, or post-installation. Each phase has its own answer below.
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Easy ADU Solar is a referral platform — we negotiate with multiple licensed C-46 California installers to get you fixed pricing. We surface this question because it's one of the top-asked items by California ADU owners researching solar.
Owned (cash or HDM) ADU solar systems typically add $4,000–$15,000 in appraised California property value at roughly $4 per installed watt. Leased systems generally do not add appraised value.
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Garage conversions and JADUs are usually exempt from Title 24 solar but follow the same answer for voluntary installs.