ADU Regulations in Yorba Linda, California (2026)

Regulations at a glance

Local rules & notes

ADU Fee Waiver Program: The city commits to waiving plan check and permit fees specifically for ADU projects to remove financial constraints. Pre-approved ADU Construction Plans: The city will provide standardized, pre-approved ADU plans to homeowners to reduce design costs and speed up the approval process. Low-Interest ADU Loan Pilot: A program to provide low-interest loans to homeowners who agree to deed-restrict their ADUs for affordability.

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

Frequently asked questions about ADU regulations in Yorba Linda

• What is the maximum ADU size in Yorba Linda, California?

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

• What are the setback requirements for ADUs in Yorba Linda?

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

• What is the maximum height for an ADU in Yorba Linda?

  In Yorba Linda, 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 Yorba Linda or county planning for your zone.

• Is ADU approval ministerial in Yorba Linda?

  In Yorba Linda, 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; Yorba Linda planning can confirm the exact process.

• Are there parking requirements for ADUs in Yorba Linda?

  In Yorba Linda, parking for ADUs is generally Often waived per state law; check local ordinance. California law often waives parking for ADUs within a half-mile of transit or in certain historic districts. Check with Yorba Linda planning for your address.