ADU Regulations in Tracy, California (2026)

Regulations at a glance

Local rules & notes

HOA Interference Prohibited: Homeowners' associations are legally barred from influencing or reviewing ADU applications, as they are considered third parties. Unpermitted Unit Amnesty: The city cannot deny a permit for an unpermitted ADU built before 2020 unless it is a health and safety hazard. Multifamily Detached ADU Bonus: Lots with existing multifamily dwellings are now permitted to have up to eight detached ADUs.

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

Frequently asked questions about ADU regulations in Tracy

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

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

• What are the setback requirements for ADUs in Tracy?

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

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

  In Tracy, 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 Tracy or county planning for your zone.

• Is ADU approval ministerial in Tracy?

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

• Are there parking requirements for ADUs in Tracy?

  In Tracy, 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 Tracy planning for your address.