ADU Regulations in Villa Park, California (2026)

Regulations at a glance

Local rules & notes

Multifamily ADU Expansion (SB 1211): As of 2025, the city must allow up to 8 detached ADUs on lots with existing multifamily dwellings. JADU Garage Conversions: The city must allow JADUs to be constructed within attached garages, as they are considered part of the residence. Front Setback Restriction: The city's 50-foot front setback cannot be used to prevent the construction of an 800 square foot ADU.

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

Frequently asked questions about ADU regulations in Villa Park

• What is the maximum ADU size in Villa Park, California?

  In Villa Park, the maximum ADU size is typically 1500 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; Villa Park may follow state defaults or have local limits. Verify with Villa Park planning for your specific lot.

• What are the setback requirements for ADUs in Villa Park?

  In Villa Park, 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 Villa Park planning for overlay zones or design standards that could affect your site.

• What is the maximum height for an ADU in Villa Park?

  In Villa Park, the maximum height for an ADU is generally 18 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 Villa Park or county planning for your zone.

• Is ADU approval ministerial in Villa Park?

  In Villa Park, 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; Villa Park planning can confirm the exact process.

• Are there parking requirements for ADUs in Villa Park?

  In Villa Park, 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 Villa Park planning for your address.