ADU Regulations in Moorpark, California (2026)

Regulations at a glance

Local rules & notes

5-Year Enforcement Delay: Owners of unpermitted ADUs built before 2020 can request a 5-year delay in building code enforcement to correct violations, provided they aren't health/safety risks. HOA Interference Prohibition: Homeowners Associations are explicitly prohibited from influencing the approval process or conducting third-party reviews of ADU applications. Deemed Approved Status: If the city does not approve or deny a completed ADU application within 60 days, it is legally considered 'deemed approved'.

For the official ordinance and latest updates, check your city or county planning department.

Frequently asked questions about ADU regulations in Moorpark

• What is the maximum ADU size in Moorpark, California?

  In Moorpark, the maximum ADU size is typically 1200 square feet, depending on whether the unit is attached or detached. California state law allows up to 1,200 sq ft for detached ADUs and 800 sq ft for attached in many jurisdictions; Moorpark may follow state defaults or have local limits. Verify with Moorpark planning for your specific lot.

• What are the setback requirements for ADUs in Moorpark?

  In Moorpark, typical setback requirements are 4 feet from the side property line and 4 feet from the rear. These may be reduced to 4 feet under California Government Code § 65852.2 where applicable. Check with Moorpark planning for overlay zones or design standards that could affect your site.

• What is the maximum height for an ADU in Moorpark?

  In Moorpark, the maximum height for an ADU is generally 16 feet. State law often allows up to 16 feet for detached ADUs and up to 25 feet when within 4 feet of the property line in some cases. Confirm with Moorpark or county planning for your zone.

• Is ADU approval ministerial in Moorpark?

  In Moorpark, ADU approval is typically Ministerial (by-right) per Gov Code §65852.2. Ministerial (by-right) review means the city must approve qualifying applications without discretionary review, per California Gov Code § 65852.2. Your project must still meet objective standards; Moorpark planning can confirm the exact process.

• Are there parking requirements for ADUs in Moorpark?

  In Moorpark, parking for ADUs is generally false. California law often waives parking for ADUs within a half-mile of transit or in certain historic districts. Check with Moorpark planning for your address.