Cupertino ADU Information
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Overview of ADUs
Are you considering building an ADU in Cupertino?
Whether you want to boost your property value, generate extra income, or provide housing for loved ones, this page will help you get started. For detailed, property-specific information, visit Blueprints AI ADU, your comprehensive, free resource for ADUs.
What is an ADU?
In Cupertino, ADUs are a popular choice for expanding living space and adding value to properties.
ADUs, or accessory dwelling units, are also known by various other names such as granny flats, in-law units, second units, and casitas. Regardless of the name, ADUs are fully independent living spaces designed for at least one person, situated on the same property as a primary residence. They typically include a place to live and sleep, a kitchen, and, in most cases, a bathroom.
Legal Definition of ADU Types
In Cupertino, ADUs are regulated by specific zoning codes that determine their allowable types and uses.
Understanding these diffrent types can help you navigate the regulations and make the best choice for your property.
Detached ADUs: These are free-standing buildings separate from the main single-family home or multi-family building.
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Attached ADUs: These units are created by adding onto an existing single-family home.
Conversion ADUs: These are built by converting part of an existing single-family or multi-family home, or by repurposing an accessory building (like a garage, shed, or studio). This category includes garage conversions.
Junior ADUs (JADUs): These involve converting part of a single-family home into a new dwelling unit that is no more than 500 square feet and may share a bathroom with the main home.
Advantages of ADUs
ADUs provide a range of benefits, making them an attractive option for property owners in Cupertino:
Generate Rental Income: ADUs can be a source of extra income. The rental value depends on the location, size, and features of the ADU.
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Enhance Property Value: Building an ADU can significantly increase your property’s market value. For instance, an ADU renting for $1,000 per month can boost your property value by roughly $100,000.
​Accommodation for Family and Caretakers: ADUs are ideal for housing adult children, retired parents, or caregivers, offering them a private and comfortable living space.
Downsizing Opportunity: ADUs allow homeowners to downsize without leaving their beloved community, maintaining proximity to familiar surroundings.
Advantages of ADUs
Here is some essential information about ADU regulations in Cupertino.
For detailed, property-specific ADU blueprints, visit Blueprints AI ADU page.
Allowed Locations: ADUs are generally permitted on properties where residential uses are allowed. You must have an existing or proposed single-family home or an existing multi-family building (such as a duplex, triplex, or apartment/condo building). Check if your property qualifies instantly by visiting Blueprints AI ADU.
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Minimum Lot Size: There are no minimum lot size restrictions for building an ADU, meaning properties of any size can be eligible.
Number of ADUs Allowed: For single-family homes, typically at least one or two ADUs are allowed. On multi-family properties, the number of ADUs permitted depends on the existing dwelling units and the type of ADU being constructed. Learn more about your specific property’s allowances at Blueprints AI ADU.
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Maximum Square Footage: The allowable size of your ADU depends on the type of ADU you plan to build. Detached ADUs have different maximum sizes compared to attached ADUs. Visit Blueprints AI ADU for detailed information.
Maximum Height: Generally, you can build an ADU that is at least one story and up to 16 feet in height. For more specifics, visit Blueprints AI ADU.
Minimum Setbacks: Attached and detached ADUs must be built at least 4 feet from the property’s side and rear property lines. Conversion ADUs and Junior ADUs need to maintain a sufficient distance to ensure fire safety. Check your specific setback requirements at Blueprints AI ADU.
Parking: Conversion ADUs and Junior ADUs typically do not require additional parking. Attached and detached ADUs generally require one parking space, unless your project qualifies for an exemption. Verify your parking needs at Blueprints AI ADU.
For generating ADU blueprints with AI, tailored to your property in Cupertino, visit Blueprints AI ADU page.
ADU Resources for Cupertino
Here are the links for exploring more about zoning information for the city of Cupertino.
Our AI model is extensively trained with zoning data to generate precise AI blueprints. Get your blueprints at the at Blueprints AI ADU page.