Types of ADUs Grand Rapids Homeowners Should Know About

February 14, 2026

How Grand Rapids homeowners can choose the right ADU for their needs

Modern detached ADU next to a residential home in Grand Rapids.

Wondering if your home could stretch a bit further to fit your needs? You’re in good company—many Grand Rapids homeowners are finding clever ways to gain extra space without packing up and moving. Whether it’s a cozy spot for a family member, a private office, or a way to earn some extra income, an Accessory Dwelling Unit (ADU) can be a smart and flexible solution.


Not every ADU fits every home. The best choice depends on your property, what you hope to achieve, and how you envision using the space. Let’s break down the most common types of ADUs and help you figure out what might work best for your home.


What’s an ADU and Why Are They Popular?

At its core, an ADU is a self-contained living space tucked on the same lot as your main home. Picture a tiny home of your own, complete with a kitchen, bathroom, bedroom, and private entrance.


In Grand Rapids, homeowners are turning to ADUs for all kinds of reasons:


  • Creating a comfortable home for aging parents

  • Giving adult children their own space while staying close by

  • Adding rental income without buying another property

The best part? ADUs are flexible. They can grow with your needs. It can serve a family member today and easily transform into a rental tomorrow.


Detached ADUs: Privacy and Independence

A detached ADU is its own little building, usually in the backyard. Because it’s separate from your main house, it offers maximum privacy for everyone.


This setup is perfect if you’re thinking about long-term rentals, hosting guests, or giving a family member a fully independent space. Detached ADUs also let you get creative with design—you can make it feel like a true tiny home instead of just an add-on.


The downside? They usually cost more and require extra space. In Grand Rapids, things like lot size, setbacks, and zoning rules will influence whether this is possible.


Attached ADUs: Close, Convenient, and Budget-Friendly

Attached ADUs are connected directly to your home, often as an addition or converted space. They’re a great option if you want loved ones nearby but still want a little separation.


Leveraging your home’s existing systems helps make attached ADUs a more budget-friendly option. They’re also ideal in neighborhoods where yards are small.


The key here is smart design. Soundproofing, layout, and privacy matter, especially if the space will be used every day.


Garage Conversions: Make Use of What You Already Have

Instead of letting your garage gather dust and boxes, why not give it new life as an ADU? Since the structure’s already there, conversions tend to be easier and more affordable than building a brand-new unit.


For homeowners who want more indoor space but don’t want to give up the yard. Just keep in mind parking options and make sure the garage can meet local living space requirements.


Basement & Bump-Out ADUs: Transform Underused Spaces Into Gold

While often forgotten, basements can be reinvented as stylish, usable areas for work, play, or relaxation. Many Grand Rapids homes have basements just waiting for a budget-friendly upgrade.


Sometimes, adding a small bump-out can give you extra square footage, improve ceiling height, or bring in more natural light. With the right touches, a basement ADU can feel just as inviting as any other living space.


Safety is key—make sure there are proper exits, plenty of lighting, and good ventilation.


Junior ADUs: Small but Mighty

Junior ADUs (or JADUs) are tiny living spaces inside your main home, usually under 500 square feet. Works well if you want efficiency without overspending.


JADUs work for short-term stays, single occupants, or homeowners who want a flexible space without major construction. While they don’t offer as much independence as larger ADUs, they can still be comfortable and practical if designed well.


Things to Think About Before Building an ADU

Before you pick a style, consider:


  • How you’ll use the space

  • Your property size and layout

  • Local zoning and permit requirements

  • Your budget and long-term goals

Every property is unique. A local remodeling specialist can guide you through the tricky parts, so your project stays on track and on budget.


Final Thoughts

ADUs are an amazing way to make your home work harder for you. Whether you want to support your family, earn extra income, or just make better use of your space, there’s an ADU that fits.


If you’re thinking about building an ADU in Grand Rapids, Grand Rapids Remodeling Pros can guide you from design to permits to construction. From design to finish, they’ll tailor your ADU to match both your property and your daily life. Reach out today and start exploring the right ADU solution for your property.

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