ADU rules in Moorpark, CA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Moorpark permits ADUs in compliance with California Government Code Sections 65852.150-65852.26. Detached ADUs may be up to 800-1,200 sq ft with a 16-foot maximum height. Side and rear setbacks are 4 feet. Garage conversions are allowed without replacement parking. All ADUs must be rented for 31+ days.
ADUs in Moorpark require a Zoning Clearance and compliance with state ADU law (Government Code §§65852.150-65852.26). Detached ADUs are limited to 800 sq ft for one-bedroom and 1,200 sq ft for two-bedroom units, with a 16-foot maximum height. Side and rear setbacks are 4 feet for detached ADUs. Garage conversions to ADUs are permitted without requiring replacement parking per state law. Attached ADUs may be up to 50% of the existing primary dwelling's floor area. Junior ADUs (JADUs) up to 500 sq ft are allowed within the existing footprint of the primary dwelling. Converted ADUs and JADUs do not require additional parking. New detached ADUs require 1 parking space unless exempt (within 0.5 miles of transit, in a historic district, or other qualifying criteria). All ADUs must be rented for terms of 31 or more consecutive days - no short-term rental use is allowed. Owner-occupancy is not required for the primary dwelling per current state law.
Building an ADU without a Zoning Clearance is a code violation. Using an ADU as a short-term rental (under 31 days) violates both the ADU regulations and the city's STR ban. Contact the Planning Division at (805) 517-6230 for ADU applications and requirements.
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Side-by-side rule comparisons with other cities in Ventura County.
See how other cities in Ventura County handle adu rules.
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