ADU Regulations in Wildomar, California (2026)

Regulations at a glance

Local rules & notes

Targeted ADU Promotion in High Resource Areas: The city specifically targets ADU development in 'high resource areas' and low-density neighborhoods to reduce displacement risk and improve access to opportunity. Impact Fee Waiver for Affordable ADUs: The city includes a specific program to consider waiving impact fees for ADUs that serve extremely low, very low, and low-income residents.

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

Frequently asked questions about ADU regulations in Wildomar

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

  In Wildomar, 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; Wildomar may follow state defaults or have local limits. Verify with Wildomar planning for your specific lot.

• What are the setback requirements for ADUs in Wildomar?

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

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

  In Wildomar, 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 Wildomar or county planning for your zone.

• Is ADU approval ministerial in Wildomar?

  In Wildomar, 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; Wildomar planning can confirm the exact process.

• Are there parking requirements for ADUs in Wildomar?

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