Adu cost — Columbus, OH | AccessoryDwellingUnit Solutions

Looking for adu cost in Columbus, OH? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Columbus and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

Your ADU investment is shaped by the complexity of the site, utility hookups, and the materials you select for construction. Adding features like custom cabinetry or premium exterior siding will influence the final number compared to a standard build. Exact pricing confirmed free on the call.

Frequently asked in Columbus

What are the disadvantages of ADUs?

How much does an ADU cost in Ohio?

What are the rules for ADUs in Maryland?

This service focuses on Ohio. For Maryland, you would need to research the specific local ordinances and state regulations. ADU rules vary significantly from state to state and even city to city. We specialize in assisting homeowners with ADU projects in Columbus.

Is an ADU allowed in Maryland?

This service is for Columbus, Ohio. ADU regulations differ greatly by location. If you are in Maryland, you'll need to consult that state's specific laws and local government for guidance. We are experts in the Columbus area's ADU requirements.

What are the rules for ADUs in California?

California has specific laws encouraging ADUs, but regulations vary by city. For example, San Jose has its own ordinances. If you're in California, it's important to check with the specific city's planning department. We focus on ADU projects within Columbus, Ohio.

Also serving nearby: Dayton · Cincinnati · Akron · Toledo · Cleveland

All cities in Ohio →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

913,175residents

4,137per sq mile

8ZIP codes served

Serving all of Columbus — population 913,175; about 4,137 residents per square mile across 220.7 sq mi. ZIP codes covered include 43085, 43201, 43202, 43203, 43204, 43205, 43206, 43207.

Neighborhoods served in Columbus: Short North, German Village, Victorian Village, Olde Towne East, Clintonville — and every surrounding area.