6 Best ADU Builders in Columbus, Ohio
Verified ADU contractors and builders in Columbus, OH
Showing 1–6 of 6 listings
Columbus Custom ADU Builders
We specialize in creating custom ADUs that meet your unique needs and budget. Our experienced builders are familiar with the requirements for ADUs in Columbus and can ensure that your project meets all necessary guidelines.
Cooley Construction
Specializing in accessory dwelling unit construction throughout Columbus, OH, this contractor transforms properties with expert ADU builds tailored to your needs. From design through completion, they deliver quality secondary housing solutions for multi-generational living, rental income, or guest spaces.
Free Flow Builders LLC
We specialize in transforming garages into functional living spaces, from studios and home offices to guest suites and recreation rooms throughout the Columbus area. Our expert team handles every aspect of your garage conversion project, including structural modifications, insulation, electrical work, and finishing touches to create a beautiful new space that adds value to your home.
Revival Home Design
We help you add livable space with ease. We analyze zoning, setbacks, and financing to ensure your ADU project is realistic and worth the investment. We connect you with vetted ADU builders and oversee the work so your project is built right, on time, and on budget.
Rick Wheeler LLC
Transform your underutilized garage into functional living space with expert conversion services throughout Columbus, OH. From planning and permits to complete renovation, we specialize in creating beautiful garage-to-living-space conversions tailored to your home's needs.
YR Architecture Design
Specializing in accessory dwelling units, backyard cottages, and garage-to-living-space conversions throughout Columbus, this architecture design firm helps homeowners maximize their property's potential with thoughtfully planned additional living spaces. Whether you're looking to create rental income, house extended family, or add guest quarters, they deliver custom design solutions tailored to your home and needs.
Frequently Asked Questions — ADU Builders in Columbus
How much does it cost to hire an ADU builder in Columbus?
ADU construction costs in Columbus, Ohio vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Columbus to get accurate quotes for your specific project.
How long does it take to build an ADU in Columbus?
In Columbus, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Ohio local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Columbus?
Yes, a building permit is required for ADU construction in Columbus, Ohio. Your ADU builder will typically handle the permit application as part of their service. Ohio has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Columbus?
Common ADU types in Columbus include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Columbus ADU builder can advise on what's allowed on your specific parcel.