ADU Regulations in King City, California (2026)

Regulations at a glance

Local rules & notes

AB 1033 Opt-In (Condominium Conversion): The city has passed a specific ordinance to implement Government Code Section 66342, allowing ADUs to be conveyed as separate condominiums. This is a rare and high-value allowance. Tenant Right to Purchase: Tenants in an ADU undergoing conversion have a protected right to occupy and an exclusive 90-day right to purchase the unit. Lender Consent Requirement: The ordinance mandates explicit written consent from all lienholders prior to recording the subdivision map or condominium plan, with specific required text.

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

Frequently asked questions about ADU regulations in King City

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

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

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

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

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

  In King 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 King City or county planning for your zone.

• Is ADU approval ministerial in King City?

  In King 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; King City planning can confirm the exact process.

• Are there parking requirements for ADUs in King City?

  In King City, 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 King City planning for your address.