ADU Regulations in Azusa, California (2026)

Regulations at a glance

Local rules & notes

CalHFA ADU Grant Program: Provides a grant of up to $40,000 to reimburse non-reoccurring pre-development costs such as permits, soil tests, and impact fees for low-to-moderate income homeowners. Standard Notes and Details for Garage Conversions: The County provides standard pre-approved notes and details for single-story garage conversions, potentially eliminating the need for custom structural plans and calculations. Rent Stabilization Ordinance (RSO) Applicability: New ADUs are subject to the County's RSO regarding just cause evictions and relocation assistance, but are exempt from rent increase caps. NHS of LA County Loans: Offers deferred loans up to $98,500 for low-income homeowners and simple interest loans for others.

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

Frequently asked questions about ADU regulations in Azusa

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

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

• What are the setback requirements for ADUs in Azusa?

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

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

  In Azusa, the maximum height for an ADU is generally 25 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 Azusa or county planning for your zone.

• Is ADU approval ministerial in Azusa?

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

• Are there parking requirements for ADUs in Azusa?

  In Azusa, 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 Azusa planning for your address.