To purchase a permit you will need to complete an "Online Permit Application". Call 702-229-6251 and a representative will assist you in filling out required permit applications.Complete this application, and submit electronically through the Citizen Access Portal. Revision review time is 10-days. 1 – State of Nevada Approved Drawings are required for submittal. Apply for a Building Permit. The Nevada County Building Department walks you through the permit application process for a single family home.