
If you’ve never heard of an ‘ADU,’ this acronym for Accessory Dwelling Unit is a trend in housing that may provide a welcome solution for older loved ones and their families.
What is an ADU?
An ADU is a small, separate living space built on the same property as a single-family home. They’re often referred to as granny flats, in-law suites, or backyard apartments. They can be part of the main house (think basement reno), attached to it (home addition), or built as a freestanding, separate structure.
ADUs can be customized to include accessibility features like wider doorways, handrails, non-slip flooring, and other safety features for older loved ones. You can even make them smart homes by adding fall detection systems, smart doorbells, automated lighting, and other smart technology.

According to Brandee Smith with Distinctive Design Remodeling in Louisville, the two most common ADUs in the area are stand-alone, one-floor apartments and garages with living space above. Typically, the dwelling includes one bedroom, a bathroom, a kitchen, and an in-unit washer/dryer, with a maximum size of 800 square feet in accordance with Louisville building regulations. (The allowable size varies in different cities based on their specific regulations.)
An option for families with older loved ones
ADUs can provide a practical solution for older loved ones looking to age in place, offering a healthy balance between independent living and nearby family support.
According to Brandee, ADUs offer an alternative to care facilities while increasing property value. They provide independence, quality of life, and family closeness in one sustainable, cost-effective living solution.

Is an ADU right for you?
While ADUs offer an additional senior living option, it’s always important to consider the needs of your family.
Questions to consider:
- Will this type of living space provide both independence and safety for your loved one? Think about in-home safety features such as grab bars, no-step entrances, and accessible bathrooms.
- How close is close enough? Being just a few steps away might sound great, but does it offer the right amount of privacy and family connection?
- Is your property appropriate for an ADU? You’ll need space on your property to add on to your existing home or build another structure. Check zoning rules to make sure your project is allowed.
- Are you both ready for this new setup? Living close to an older family member can be rewarding, but it also means setting clear boundaries for everyone and keeping the lines of communication open.
Before you build
While trendy in states like California, ADUs are relatively new to Louisville but have gained in popularity, especially over the last year.
“We’ve received an uptick in the number of people asking about ADUs,” Brandee says. “More people are seeing them as an option for parents and grandparents.”
Many cities including Louisville have recognized the benefits of ADUs and are updating zoning rules to make them easier to build. It’s important to note that these dwellings must comply with local zoning and regulatory guidelines. You can’t simply purchase an ADU online and assemble it in your backyard.
If you’re considering an ADU, the best first step is to research, then consult an expert to discuss your needs. They can provide design solutions and walk you through the entire building process.
By Kym Voorhees Raque | Photos courtesy of Distinctive Design Remodeling
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