ADU Regulations in Sand City, California (2026)

Regulations at a glance

Local rules & notes

Substandard ADU Enforcement Delay: Local agencies must, upon application, delay enforcement against a qualifying substandard ADU for five years to allow for corrections. HOA Interference Prohibited: Homeowners’ associations (HOAs) cannot influence or review ADU applications; such third-party reviews violate State ADU Law. Unpermitted Unit Amnesty: Local agencies are prohibited from denying a permit for an unpermitted ADU constructed before January 1, 2020, unless it is a health and safety issue.

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

Frequently asked questions about ADU regulations in Sand City

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

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

• What are the setback requirements for ADUs in Sand City?

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

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

  In Sand City, 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 Sand City or county planning for your zone.

• Is ADU approval ministerial in Sand City?

  In Sand City, 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; Sand City planning can confirm the exact process.

• Are there parking requirements for ADUs in Sand City?

  In Sand City, 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 Sand City planning for your address.