Accessory Structures in Monterey County, CA (2026)

1 county-level rule, plus city-specific rules for 1 city in Monterey County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Monterey County. If you live within an incorporated city, that city's own rules apply — see the city list below.

ADU Rules

Monterey County permits Accessory Dwelling Units under MCC section 21.64.030 (inland, Title 21) and MCC section 20.64.300 (coastal, Title 20). ADUs are capped at 1,200 sq ft and JADUs at 500 sq ft. State ADU law (Cal. Gov. Code sections 65852.2 and 66323) limits local requirements. Inland ADUs are ministerially permitted; coastal ADUs require a Coastal Administrative Permit. The County's Coastal Zone ADU update was approved by the Board on Nov. 18, 2025.

Monterey County ADU and JADU Rules

Some Restrictions

Full ordinance details →Official source ↗

Accessory Structures by City in Monterey County

1 cities in Monterey County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.

Salinas

9 verified rules • ADU Impact Fees, ADU Owner Occupancy

All Monterey County ordinances

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