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Accessory Structures in Monterey, CA (2026)

3 verified accessory structures rules for Monterey, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

ADU Rules

California's statewide ADU law (Gov. Code §65852.2) requires the City of Monterey to allow accessory dwelling units on residential lots by right — detached ADUs up to 1,200 sq ft, 4-foot side/rear setbacks, no owner-occupancy requirement, and no added parking within ½ mile of transit.

Accessory Structures: Adu Rules

Few Restrictions

Shed Rules

Sheds in the City of Monterey must meet zoning setback rules for accessory structures. Under the California Building Code, a building permit is generally required for sheds over 120 square feet; smaller sheds still must meet placement rules.

Accessory Structures: Shed Rules

Some Restrictions

Garage Conversions

Converting a garage to living space in the City of Monterey requires a building permit and zoning review for egress, light/ventilation and parking; converting to a separate unit is often processed as an ADU under state law.

Accessory Structures: Garage Conversions

Some Restrictions

Looking for Monterey County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Monterey city rules.

Accessory Structures in Monterey County