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Dana Point ADUs

Everything about building Accessory Dwelling Units in Dana Point, CA

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495 sqft

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Dana Point ADU Guidelines Last Updated 09/28/21

The city government of Dana Point will approve ADUs under California's statewide mandated regulations.
The California Building Code (CBC) 2019 is adopted.


City Hint: The City of Dana Point permitted a total of 15 ADU projects in the past year of 2020.

Number of ADUs allowed:

o Single Family Districts: 1 ADU and 1 JADU
o Multi-Family Districts: 1 attached ADU

Types of ADUs allowed:

Detached ADU, Attached ADU, Junior ADU are permitted. ADUs may be new construction or converted from existing space. JADUs must be converted from existing space.

Lot size:

Residential properties will not be subject to any minimum lot size for Accessory Dwelling Unit (ADU)s by ordinance or of the underlying zoning district. ~ AB68

ADU size:

o Attached: 50% of primary dwelling, capped at 850 SF (1 bedroom) /1000 SF (2 bedroom)
o Detached: 850 SF (1 bedroom) /1000 SF (2 bedroom)


- 4 feet from the side and rear
- 10 feet building separation from primary unit


generally 1 parking spot required, subject to many exceptions.
Replacement parking not required unless in Coastal Zone.

Fire Safety:

Accessory dwelling units shall not be required to provide fire sprinklers unless they are also required for the primary dwelling. ~ State Standards

Shape, materials and style:

Specific design styles and restrictions are not specified under State Standards. Passageways shall not be required in conjunction with the construction of an accessory dwelling unit. ~ State Standards


16 feet, one story (but an attached ADU may be constructed on a portion of the second floor of an existing two story primary dwelling).

Design review:

The municipality shall provide a ministerial review process which is not based on a discretionary approval for an ADU. The process shall take no less than 120 days. Valid applications submitted for ADUs, if not approved or denied within 120 days from submission, shall be considered approved. ~ State Standards

Number of Bedrooms:

Two bedrooms maximum


Owner-occupancy will not be required for new Accessory Dwelling Unit (ADU)s (conversion and new construction) built between 2020 and 2025. ~ According To SB13

Utility connections:

Connection and utility fees shall be reasonable, and shall not be disproportionately higher than those to develop primary dwellings, so as not to deter the development of ADUs. If a private sewage disposal system is used, such as a septic system, review and approval by a local health officer may be required. ~ State Standards

Allowed Zones:

*** Beginning in 2020, according to state law, all residential zoning districts, including single-family and multi-family, are allowed to build Accessory Dwelling Units. ***

Residential Building Code:

The California Building Code (CBC) 2019 is adopted.

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