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The Department of Planning and Building Permit Center is open by appointment only for limited building permit intake, correction returns/pick-up, and permit issuance. To set up an appointment, please call 805-781-5601.

To submit electronic Building Permit or Land Use Permit Applications, please visit the Permitting page.

Planning & Building

County of San Luis Obispo

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How to Apply for a Permit in Unincorporated SLO County

Land Use & Zoning

Zoning

Allowable Uses

Accessory Dwelling Unit

Coastal Accessory Dwelling Unit

TYPE D

Standards to establish two (2) or less detached ADUs on a lot with an existing multi-family dwelling.

Maximum Size

ADU: 1,000 square feet

Minimum Setback

Front Setback: Comply with the setback requirements applicable to residential accessory buildings and structures

Side and Rear Setbacks: 4 feet

Maximum Height

ADU: 16 feet

Minimum Off-Street Parking

ADU: None

Primary Dwelling: The existing off-street parking spaces for the primary residential use shall be maintained for automobile parking. However, off-street parking spaces for the primary residential use that are demolished or converted in conjunction with the establishment of accessory dwellings are not required to be replaced.