Accessory Structures in Moreno Valley, CA (2026)
9 verified accessory structures rules for Moreno Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Moreno Valley allows ADUs on residential lots per California state law. Junior ADUs (JADUs) up to 500 sq ft within existing structures are permitted. ADUs up to 800 sq ft are allowed by right. Building permits required.
Moreno Valley ADU Regulations
Some RestrictionsADU Permits
Moreno Valley issues Accessory Dwelling Unit (ADU) permits ministerially under MVMC §9.08.060, which implements California Government Code §65852.2. ADUs are permitted in any residential zone where a single-family or multi-family dwelling is allowed. Applications go through Community Development - Planning Division and Building & Safety, with a 60-day statutory review window once the application is complete.
Moreno Valley ADU Permit Process (MVMC §9.08.060)
Few RestrictionsADU Impact Fees
California Gov. Code §65852.2(f) prohibits Moreno Valley from charging any impact fees on ADUs smaller than 750 square feet. ADUs of 750+ sq ft pay impact fees proportional to the size of the primary dwelling. Water and sewer connection fees are similarly limited - separate utility connections are not required for ADUs created within an existing dwelling.
Moreno Valley ADU Impact Fees
Few RestrictionsADU Owner Occupancy
Moreno Valley cannot impose an owner-occupancy requirement on Accessory Dwelling Units, under California Gov. Code §65852.2(a)(7) as extended indefinitely by AB 976 (2023). Junior Accessory Dwelling Units (JADUs) still require the owner to live in either the JADU or the primary dwelling, with a recorded deed restriction.
Moreno Valley ADU Owner Occupancy Rules
Few RestrictionsADU Rental Restrictions
Moreno Valley ADUs may be rented for terms longer than 30 days (long-term housing). Short-term rental (under 30 days) of an ADU is prohibited by MVMC §9.08.060 consistent with California Gov. Code §65852.2(a)(6). JADUs additionally have a recorded deed restriction prohibiting STR use.
Moreno Valley ADU Rental Restrictions
Some RestrictionsShed Rules
Moreno Valley allows sheds and accessory structures in residential zones. Structures under 120 sq ft typically do not require permits but must meet setbacks. Larger structures require building permits.
Moreno Valley Shed & Accessory Structure Rules
Few RestrictionsGarage Conversions
Moreno Valley allows garage conversions to ADUs under California state law. Building permits are required. The city cannot require replacement parking per state law. Converted space must meet habitability standards.
Moreno Valley Garage Conversion Rules
Some RestrictionsCarport Rules
Moreno Valley permits attached and detached carports in residential zones with a building permit when larger than 120 square feet, subject to setback, height, and lot coverage limits under MVMC Title 9 zoning.
Moreno Valley Carport Construction Rules
Some RestrictionsTiny Homes
Moreno Valley allows tiny homes on foundations as ADUs under California Government Code Section 65852.2, while movable tiny homes on wheels are limited to RV parks or approved tiny-home-on-wheels ADU programs.
Moreno Valley Tiny Home Regulations
Some RestrictionsLooking for Riverside County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Moreno Valley city rules.
Accessory Structures in Riverside County →