License: No. #1076712
Discover what you can build in the City of San Fernando. This city guide covers essential ADU regulations and zoning laws to help you navigate the process and make informed decisions for your property.
Discover what you can build in the City of Los Angeles. This city guide covers essential ADU regulations and zoning laws to help you navigate the process and make informed decisions for your property.
You are allowed to put one attached or detached ADU on single-family property in San Fernando, as well as one JADU.
No more than two detached ADUs may be constructed on a multifamily lot in San Fernando.
A detached ADU can be up to 1,200 square feet in San Fernando.
An attached ADU in San Fernando can be up to 1,200 square feet, or 50% of the square footage of the primary dwelling unit, whichever is smaller.
A detached ADU can be up to 16 feet tall in San Fernando. An attached ADU can be up to 25 feet high or the height of the primary dwelling unit, whichever is smaller.
2-story ADUs may be permitted in San Fernando if height restrictions are adhered to. Detached ADU height requirements are generally too low to accommodate two stories, but attached ADUs may be able to be built to two stories, especially if attached to a two-story primary dwelling unit.
No, height restrictions on detached ADUs in San Fernando generally prevent two ADUs from being stacked one on top of each other (one on each story of a two-story building). Single-family property also limits you to one detached ADU on the property, which would also eliminate the option of two stacked detached ADUs.
No specific policies restrict two ADUs from being attached to each other on one separate detached structure in San Fernando. Keep in mind that only multifamily property is eligible, since multifamily property can have up to two detached ADUs and single-family property is limited to one detached ADU.
No, a JADU is defined as an ADU converted from existing space within the main structure of the primary dwelling unit. As such, it cannot be attached to an ADU.
Generally roof decks would be permitted on an ADU, but must meet the height restrictions for the zone. Roof decks cannot encroach into the required setbacks. As a rule of thumb, railings and access staircases above 42″ need to be included in height calculations.
An ADU must match or harmonize with the exterior of the main dwelling unit, including color palette, roof pitch, architectural style, and other aesthetic characteristics.
Setback requirements vary for ADUs in San Fernando. 4-foot rear and side setback requirements are common throughout California, so that remains the safest assumption, but we will need to check the requirements based on the zoning of your specific property during the planning stage.
No specific building separation requirements are specified in San Fernando. 6-foot building separation is common throughout California due to fire codes and other regulations, but we will need to check the requirements based on the zoning of your specific property during the planning stage.
ADUs are generally not allowed in the front yard of property in San Fernando.
No, you can submit plans online to the San Fernando Community Development Department via the San Fernando Online Permit Counter.
San Fernando may require a soils report for ADU permitting to make sure the soil can support the new structure, especially if the ADU will be located on a hillside, an area with significant grading, or if there are special foundation requirements.
Sufficient green space and permeable surface must be maintained on the property. City regulations do not specify specific percentages and must be approved on a case-by-case basis in the planning stage.
The plan check process for an ADU in San Fernando involves the following steps:
The plan check usually takes about 3-5 weeks, while the permit issuance process can take up to an additional 1-2 weeks.
One new parking spot is typically required to be added to the lot per new ADU. However, exemptions may apply if:
If a parking space must be added, it can be included on the driveway or any setback areas, and it may be configured as tandem parking.
Per Title 24 of the California Energy Code, solar panels of appropriate size and capacity are mandatory on new-construction ADUs. ADUs built from converted existing structures are exempt, as may be ADUs located under significant shading. Smaller ADUs may be subject to reduced or modified solar panel requirements.
An ADU is not required to have a separate water or electrical meter. You can opt for the ADU to share service with the main dwelling unit. However, you can request separate water or electrical meters from the City of San Fernando.
An ADU doesn’t necessarily get its own address, but a separate address can be applied for and may be mandated if determined by the city to be necessary for public safety reasons.
Low Impact Development (LID) is an approach to land development or redevelopment that seeks to preserve and conserve onsite water quality and natural features, with minimal detrimental effect to local waterways and ecosystems. The City of San Fernando may require LID fees for larger ADUs.
California State Law requires that dwelling units can only be used as short-term rentals or Airbnbs for terms of 30 days or longer.
Per the Costa-Hawkins Act of 1995, San Fernando does not impose rent control on dwellings constructed after February 1, 1995. This means most new-build ADUs are exempt. However, if the primary dwelling unit is subject to rent control, it might apply to the ADU as well.
While encouraging the use of electric appliances for efficiency and sustainability, San Fernando does not prohibit gas appliances in new ADUs as long as all relevant installation and safety standards are met.
In San Fernando you are only required to install sprinklers in a new ADU if the primary dwelling unit has them as well. You may also be required to install them if the ADU is located within a special fire hazard zone.
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