ADU Regulations in Chula Vista, California (2026)

Regulations at a glance

Local rules & notes

Permit Ready ADU Program: The City is implementing a program to provide permit-ready ADU designs, likely reducing architectural costs and review times. ADU Amnesty Program: The City is implementing an amnesty program to legalize existing unpermitted ADUs. Affordable Unit Streamlining: The City has a program for streamlining and providing incentives for affordable housing units.

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

Frequently asked questions about ADU regulations in Chula Vista

• What is the maximum ADU size in Chula Vista, California?

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

• What are the setback requirements for ADUs in Chula Vista?

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

• What is the maximum height for an ADU in Chula Vista?

  In Chula Vista, 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 Chula Vista or county planning for your zone.

• Is ADU approval ministerial in Chula Vista?

  In Chula Vista, 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; Chula Vista planning can confirm the exact process.

• Are there parking requirements for ADUs in Chula Vista?

  In Chula Vista, 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 Chula Vista planning for your address.