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Accessory Structures in Lompoc, CA (2026)

3 verified accessory structures rules for Lompoc, 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 Lompoc 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

Lompoc Zoning Code Title 17 exempts one-story detached accessory structures (tool/storage sheds, playhouses) up to 120 square feet from building permits, consistent with the California Building Code. Detached accessory structures must be located on the rear half of the lot, with at least 5 feet between the main building and any accessory structure. Side and rear setbacks may be reduced for small sheds subject to a height-at-property-line formula.

Lompoc, CA Shed & Accessory Structure Rules

Some Restrictions

Garage Conversions

Converting a garage to living space in Lompoc 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 Santa Barbara County county-wide rules?

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

Accessory Structures in Santa Barbara County