Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total investment. The final figure depends heavily on whether you choose a prefab unit or a custom build from the ground up. Site conditions are another major factor; if your property requires extensive grading, utility trenching, or foundation work, costs will climb. You also have to consider your choice of finishes, like high-end appliances or custom cabinetry. Navigating local permit fees and impact assessments also adds to the total.
Frequently asked in Lexington-Fayette
What does 'accessory dwelling unit' mean for homeowners?
An accessory dwelling unit, or ADU, means creating a secondary, independent living space on your existing property. This can be a detached backyard cottage or an attached unit. It's a flexible way to increase your home's utility and value in Lexington-Fayette. It can provide housing for family or generate rental income.
What's the typical cost to build an accessory dwelling unit here?
How do I find a reliable ADU company in Kentucky?
What are accessory dwelling unit homes like?
Accessory dwelling unit homes are self-contained living spaces, separate from the main house. They can be designed as studios, one-bedroom units, or larger. These units offer privacy and independence for occupants. The pros we partner with ensure quality construction and thoughtful design for your Lexington-Fayette property.
Are there accessory dwelling unit grants available?
What's the cost of accessory dwelling unit construction?
How quickly can an ADU be built?
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Lexington-Fayette — population 320,154.
Neighborhoods served in Lexington-Fayette: Chevy Chase, Ashland Park, Tates Creek, Mentelle Park, Woodford Place — and every surrounding area.
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