ADU (Accessory Dwelling Unit) Cost in Columbus, GA (2026)
A ADU remodel in Columbus typically costs between $51,500 and $258,000, with most homeowners spending around $112,000. Here's the local breakdown and what drives it.
Where the money goes
Typical split of a $112,000 ADU remodel in Columbus.
What affects your Columbus price
FAQ
How much does a ADU remodel cost in Columbus?
In Columbus, Georgia, a ADU remodel typically runs $51,500 to $258,000 in 2026, with most projects near $112,000. Local labor and material costs put Columbus at about 86% of the US average.
What's included in that price?
A detached or attached secondary unit — foundation to finishes, plus utilities and permits.
Why is Columbus different from the national average?
Construction labor rates, permit fees, and material delivery costs vary by metro. Columbus's cost index is 0.86× the US baseline, which we apply to national ADU ranges.
How do I get an exact number for my project?
Use the free Reno estimate tool — describe your project (or upload a photo) and get a line-item estimate tied to your ZIP code, then share it with vetted local contractors.
Embed this cost card
Writing about Columbus remodels? Drop this into your post — free to use with attribution.
ADU (Accessory Dwelling Unit) cost in other cities
Other remodels in Columbus
Ranges are 2026 market estimates based on national ADU costs adjusted by Columbus's local construction cost index. Your actual cost depends on scope, finishes, and contractor. Get a project-specific estimate above.