Nevada County, CA Accessory Structures: Tiny Homes (2026)

Dwelling, Tiny Home on Wheels (THOWs) - A separate, independent dwelling unit for one or more persons that is no larger than 400 gross square feet, excluding loft area space defined in California Health and Safety Code Section 18033; includes basic functional areas that support normal daily routines, including a bathroom, a kitchen, and a sleeping area; is built upon a single chassis and mounted on wheels, and cannot move under its own power; and is titled and registered with the California Department of Motor Vehicles. ... C. Standards. THOWs are allowed as single-family dwellings, second dwelling units consistent with allowed density, dwelling groups, and accessory dwelling units, as defined by Article 2, subject to zoning compliance, building permit issuance, and compliance with the following standards: 1. Certifications. A THOWs shall comply with the standards set forth in California Health and Safety Code Section 18027.3. A THOW shall bear a label or an insignia indicating compliance with the state standard that was in effect pursuant to this chapter on the date of manufacture, including any modifications contained in regulations. 2. Registration. A current DMV registration and operating permit shall be required and maintained on the THOWs at all times.