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Villa Park ADUs

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Villa Park ADU Guidelines Last Updated 08/14/21

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

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City Hint: The City of Villa Park permitted a total of 10 ADU projects in the past year of 2020.


Number of ADUs allowed:

Under state law, each single-family home may now create at least one Accessory Dwelling Unit. Owner occupied single-family properties may create one Accessory Dwelling Unit and one Junior Accessory Dwelling Unit (JADU). Multi-family properties, per every four existing residential units, may create one Accessory Dwelling Unit, so long as the existing units were legally established.

Types of ADUs allowed:

Detached ADU, Attached ADU, Junior ADU are allowed. ADUs may be new construction or converted from existing space. Junior Accessory Dwelling Units 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 & AB881 Update

ADU size:

Attached ADU: Pursuant to city standards
Detached ADU: Maximum ADU size shall not be limited to less than 850 square feet for a studio and 1-bedroom units, or 1,000 square feet for 2 or more bedrooms units 50% of the primary unit, or 1,200 square feet, which is less

Setbacks:

Attached ADU in E-4 Zone: Front - 30 feet. Side - 10% of lot width; not less than 10 feet, not more than 20 feet. Street Side: 10% of lot width; not less than 10 feet, not more than 20 feet. Rear: 25 feet
Attached ADU in R-1 Zone: Front - 20 to 25 feet depending on lot size. Side and Street Side: Depends on Lot Side. Rear: 25 feet
Detached ADU in E-4 zone: Front - 30 Feet. Side, Street Side, and Rear: 4 feet
Detached ADU in R-1 zone: Front - 20 to 25 feet depending on lot size. Side, Street Side, and Rear: 4 feet

Parking:

1 space (with exceptions)
If an existing garage is converted to an ADU, no replacement parking is required.
Generally, properties within 1/2 mile walking distance are exempt from parking requirements.

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:

The design of the ADU including, but not limited to, building form, materials, exterior finishes, color scheme, and landscaping shall be substantially similar to the primary unit

Height:

Attached ADU: Pursuant to city standards.
Detached ADU: 16 feet.

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:

No maximum number of bedrooms is established other than that implied by the maximum size of an ADU allowed. ~ State Standards

Ownership:

Between between 2020 and 2025, owner occupancy requirements will not apply to new ADUs. (applicable to new construction and conversion units) ~ 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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