ADU Regulations in Calexico, California (2026)

Regulations at a glance

Local rules & notes

Legacy 'Granny Flat' Restrictions: The zoning code contains a legacy definition for 'Accessory Second Kitchen Granny Flat' which restricts occupancy to relatives of the property owner who are at least 60 years old or handicapped. Permit Ready ADU Program: The City has committed to implementing a permit-ready ADU program to facilitate development. Fee Waivers: The City has committed to waiving specific permitting fees to make ADU development more feasible.

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

Frequently asked questions about ADU regulations in Calexico

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

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

• What are the setback requirements for ADUs in Calexico?

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

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

  In Calexico, 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 Calexico or county planning for your zone.

• Is ADU approval ministerial in Calexico?

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

• Are there parking requirements for ADUs in Calexico?

  In Calexico, 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 Calexico planning for your address.