Every newly constructed detached ADU in Inyo County, California must include a Title 24-compliant solar PV system. Inyo County spans climate zones 14, 15, 16, which determines exactly how many kilowatts your specific project must install for code compliance.
Local building departments across Inyo County enforce Title 24 at plan check. Plans submitted without a properly sized solar system are routinely rejected unless a documented exemption (shading, roof area, structural) applies.
Inyo County's Owens Valley and Death Valley provide exceptional solar resources. Bishop and Lone Pine see growing interest in ADU construction.
Title 24 multiplies your ADU's conditioned floor area by a climate-zone-specific kW factor. Across Inyo County's climate zones 14, 15, 16, most ADUs land in the 1.6–4.0 kW range — typically 4 to 10 modern (~400W) panels.
Title 24-compliant ADU solar packages range from $4,000 (Standard cash) to $15,000+ (Premium with battery) across Inyo County. HDM financing typically reduces effective cost by ~40% via commercial ITC pass-through. Main utilities serving the county: SCE, LADWP.
Yes. Title 24 is California state law and every jurisdiction in Inyo County enforces it at permit submittal.
Inyo County sits in climate zones 14, 15, 16. Use our cost calculator to map your exact ZIP code to its Title 24 climate zone.
Exemptions are project-specific, not countywide. The most common are shading (<70% annual solar access), insufficient roof area, and structural infeasibility. Your designer documents these on the CF1R compliance form.