ADU Regulations in Weed, California (2026)

Regulations at a glance

Local rules & notes

Unpermitted ADU Amnesty: Local agencies cannot deny a permit for an unpermitted ADU built before January 1, 2020, based on building code violations unless they are health and safety issues. HOA Interference Prohibition: Homeowners associations and third parties are strictly prohibited from influencing or reviewing ADU applications. Deemed Approved Status: If a local agency fails to act on a completed application within 60 days, the application is legally deemed approved.

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

Frequently asked questions about ADU regulations in Weed

• What is the maximum ADU size in Weed, California?

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

• What are the setback requirements for ADUs in Weed?

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

• What is the maximum height for an ADU in Weed?

  In Weed, 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 Weed or county planning for your zone.

• Is ADU approval ministerial in Weed?

  In Weed, 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; Weed planning can confirm the exact process.

• Are there parking requirements for ADUs in Weed?

  In Weed, 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 Weed planning for your address.