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February 19, 2024
Exploring the Three Types of ADUs: Definitions, Requirements, and Parking Solutions
Accessory Dwelling Units (ADUs) have become a popular way to increase living space and add value to properties. These units can provide rental income, accommodate family members, or serve as home offices. Understanding the different types of ADUs, what qualifies as an ADU, and parking regulations is essential for homeowners considering this addition. Dorothy Homes is here to guide you through these considerations, ensuring your ADU project meets all necessary criteria and maximizes your property's potential.

The Three Types of ADUs

Junior ADUs (JADUs)

A JADU is created within the existing footprint of your home, typically by converting a bedroom and adding a kitchenette, without altering the home's structure. This type of ADU is an efficient way to utilize existing space, offering a self-contained living area with minimal construction. JADUs must include basic amenities like a bathroom and a simple kitchen but are generally smaller and less invasive to construct.

Garage ADUs

Garage conversions are a popular option for creating an ADU, especially in areas where outdoor space is limited. Most two-car garages offer about 400 square feet of space, ideal for transforming into a studio or one-bedroom apartment. While this conversion offers a practical use of space, homeowners should consider the impact on parking and storage needs.

Detached ADUs

Detached ADUs are stand-alone structures separate from the main house, offering the most flexibility in terms of design and usage. These units can be customized to fit the homeowner's needs and the property's layout, with size typically capped at 1,200 square feet. Detached ADUs can be designed as full-sized homes, with separate living, sleeping, and kitchen areas.

Qualifying as an ADU

To qualify as an ADU, the unit must include a bathroom (sink, toilet, shower or tub), a kitchen (refrigerator, sink, cooking appliance), and a sleeping area that meets minimum size requirements. These essentials ensure the ADU is a fully functional, independent living space. Additionally, adherence to local building codes and regulations is necessary for the ADU to be legally recognized.

Navigating Parking Regulations for ADUs

Parking is a significant consideration in ADU development, with regulations varying by location. Here are key points to keep in mind:
  • Proximity to Public Transportation: If your property is within 500 feet of a public transportation stop, additional parking for the ADU may not be required.
  • Tandem Parking: In many areas, ADU parking can be accommodated through tandem parking on the property, although street parking often does not fulfill this requirement.
  • Garage Conversions: Converting a garage into an ADU may eliminate existing parking spaces. In such cases, utilizing the driveway for parking, without obstructing the sidewalk, is a common solution.
  • Height and Story Limitations: Many municipalities have height restrictions for ADUs, with a common limit being 16 feet, which typically precludes two-story structures.

Making the Most of Your ADU Project

Whether you're considering a JADU, garage conversion, or detached ADU, understanding the types, requirements, and parking solutions is crucial for a successful project. Dorothy Homes is dedicated to helping homeowners navigate these complexities, offering expertise in pre-built ADU solutions that meet diverse needs and comply with all regulations.
Embarking on an ADU project can significantly enhance your property's functionality and value. With careful planning and consideration of the specific requirements and regulations, your ADU can provide the additional space or income you're seeking. If you're ready to explore the possibilities of adding an ADU to your property and need guidance on making it a reality, contact us today. Let's unlock the potential of your property together.
What the heck is a pre-built room? Basically, it’s a pre-planned, pre-assembled room, complete with walls, floors, surfaces, plumbing and electrical. We pre-build it in our factory. We load it onto our truck. We roll it into your space. And all you have to do is hook it up.
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