ADU Regulations in West Sacramento, California (2026)

Regulations at a glance

Local rules & notes

Permit Prioritization: The City has a formal implementation program to prioritize the processing of accessory dwelling unit permit applications. Large Lot Size Bonus: Property owners with lots exceeding one acre are permitted to build ADUs up to 1,200 square feet, which is higher than the standard 1,000 sq ft state-prescribed limit for multi-bedroom units. Multifamily Conversion Allowance: Existing multifamily buildings can add ADUs by converting up to 25% of the existing unit space from non-living areas.

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

Frequently asked questions about ADU regulations in West Sacramento

• What is the maximum ADU size in West Sacramento, California?

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

• What are the setback requirements for ADUs in West Sacramento?

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

• What is the maximum height for an ADU in West Sacramento?

  In West Sacramento, 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 West Sacramento or county planning for your zone.

• Is ADU approval ministerial in West Sacramento?

  In West Sacramento, 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; West Sacramento planning can confirm the exact process.

• Are there parking requirements for ADUs in West Sacramento?

  In West Sacramento, 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 West Sacramento planning for your address.