ADU Regulations in Hemet, California (2026)

Regulations at a glance

Local rules & notes

Ordinance Null and Void: HCD states that if the existing 2018 ordinance fails to meet current State ADU Law, it is 'null and void' and the jurisdiction must apply state standards directly. Deemed Approved Mechanism: Applications for ADUs are deemed approved if the local agency does not act within 60 days. Amnesty for Unpermitted Units: Local agencies cannot deny permits for unpermitted ADUs built before Jan 1, 2020, unless there is a health/safety violation.

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

Frequently asked questions about ADU regulations in Hemet

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

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

• What are the setback requirements for ADUs in Hemet?

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

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

  In Hemet, 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 Hemet or county planning for your zone.

• Is ADU approval ministerial in Hemet?

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

• Are there parking requirements for ADUs in Hemet?

  In Hemet, 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 Hemet planning for your address.