ADU Regulations in City Of Industry, California (2026)

Regulations at a glance

Local rules & notes

Coastal Zone & Beach Overlay: The entire city is in the Coastal Zone. A specific 'ADU Beach Neighborhood Overlay District' exists where projects are subject to discretionary review for coastal hazards and parking is strictly required (no state exemptions apply). Underground Utilities Requirement: New detached ADUs are explicitly required to underground utilities. Pre-Approved Plan Sets: The City offers pre-approved detached ADU plan sets compliant with 2023 codes to save permit time and design costs.

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

Frequently asked questions about ADU regulations in City Of Industry

• What is the maximum ADU size in City Of Industry, California?

  In City Of Industry, the maximum ADU size is typically 1000 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; City Of Industry may follow state defaults or have local limits. Verify with City Of Industry planning for your specific lot.

• What are the setback requirements for ADUs in City Of Industry?

  In City Of Industry, 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 City Of Industry planning for overlay zones or design standards that could affect your site.

• What is the maximum height for an ADU in City Of Industry?

  In City Of Industry, the maximum height for an ADU is generally 30 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 City Of Industry or county planning for your zone.

• Is ADU approval ministerial in City Of Industry?

  In City Of Industry, 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; City Of Industry planning can confirm the exact process.

• Are there parking requirements for ADUs in City Of Industry?

  In City Of Industry, 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 City Of Industry planning for your address.