ADU Regulations in Crescent City, California (2026)

Regulations at a glance

Local rules & notes

Ministerial Review for Single-Story ADUs: The City explicitly states that single-story ADU developments require only a Building Permit (ministerial review), avoiding 'Individual Review' planning entitlements. Affordable Housing Fee Exemption: Permanently affordable housing units are exempt from infrastructure impact fees. Small Unit Incentives: The zoning code includes incentives such as reduced parking for units smaller than 900 square feet.

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

Frequently asked questions about ADU regulations in Crescent City

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

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

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

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

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

  In Crescent 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 Crescent City or county planning for your zone.

• Is ADU approval ministerial in Crescent City?

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

• Are there parking requirements for ADUs in Crescent City?

  In Crescent 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 Crescent City planning for your address.