Del Mar ADU Regulations: What You Need to Know

Yes, two-story ADUs are allowed when attached to the primary dwelling. The construction must adhere to a maximum height limit of 25 feet or two stories, whichever is lower, ensuring compatibility with local height restrictions.

No, ADUs cannot be sold separately from the main residence, with the exception being specific scenarios involving sales to qualified nonprofit corporations. This aims to maintain the integrity of property lots and ensure ADUs serve their intended purpose of providing additional housing within the same property.

No parking space is required for an ADU if it meets any of the following conditions: located within a half-mile walk of public transit, in an established historic district, or converted from existing space within the primary residence or accessory structure, or attached to an existing or proposed primary residence.

Del Mar does not impose a minimum lot size requirement for constructing an ADU, allowing for the development of ADUs across various property sizes. This flexibility supports the city’s goal of increasing accessible housing options.

Yes, ADUs can have separate utilities, although it’s common for ADUs to share connections with the main house. The city provides guidelines to ensure that shared or separate utility connections meet all regulatory requirements and are properly implemented.

Yes, ADUs located within the coastal zone may require Coastal Development Permits, with certain exemptions available. This ensures that ADU development in these areas aligns with environmental and coastal management goals.

Detached ADUs can reach up to 16′ in height, with exceptions in the Bluff, Slope, and Canyon Overlay Zone, where the limit is 14′. If within a half-mile radius of a major transit stop, they can rise to 18 feet, plus 2 more feet if the roof pitch aligns with the primary dwelling. Attached ADUs are capped at 25 feet or two stories, whichever is less, applicable only when connected to the primary dwelling.

ADUs must observe a minimum of 4 feet setback from side and rear property lines. These setback requirements are designed to ensure adequate space between structures for privacy, access, and maintenance purposes.

Yes, ADUs in Del Mar are required to harmonize with the primary residence in terms of architectural style, materials, and colors. This ensures that the ADU complements the existing dwelling and maintains the aesthetic coherence of the property.

Yes, Del Mar permits the conversion of existing structures, such as garages and non-livable spaces within multifamily properties, into ADUs. This policy encourages the efficient use of existing spaces to meet housing needs.

The permit acquisition process involves reviewing local regulations, preparing the necessary documents, submitting an application, and undergoing a city review. This streamlined, ministerial process is designed to facilitate the addition of ADUs in the community.

ADUs in Del Mar can be rented out, provided they are leased for long-term occupancy. Short-term rentals are not permitted, aligning with the city’s strategy to bolster the long-term housing supply.