Below you will find everything required in Sierra County to install residential ground mounted photovoltaic systems. For further information please contact the Building Department at (530) 289-3251 or via e-mail. SC Building Permit Application BD-01 SC Authorization for Agent to Act on Property Owner's Behalf BD-02 SC Owner-Builder Notice and Certification BD-03 SC Owner-Builder What to Know BD-04 SC Plot Plan Requirements BD-05 SC Roof or Ground Mount Solar P.V Permit Submittal Requirements BD-14