ADU Regulations in Fowler, California (2026)

Regulations at a glance

Local rules & notes

Owner Occupancy Sunset Clause: California's prohibition on owner occupancy requirements is temporary and explicitly set to expire, allowing localities to reimpose the requirement starting January 1, 2025. Ministerial Review Timeline: State law mandates a strict 60-day timeline for ministerial review of ADU applications. Allowed Regardless of Local Ordinance: California introduced a specific category of ADUs that must be allowed regardless of local zoning policies.

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

Frequently asked questions about ADU regulations in Fowler

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

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

• What are the setback requirements for ADUs in Fowler?

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

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

  In Fowler, 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 Fowler or county planning for your zone.

• Is ADU approval ministerial in Fowler?

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

• Are there parking requirements for ADUs in Fowler?

  In Fowler, parking for ADUs is generally 1. California law often waives parking for ADUs within a half-mile of transit or in certain historic districts. Check with Fowler planning for your address.