Y2 Design & Build is Columbus, Ohio's premier ADU contractor, specializing in detached ADUs, garage conversions, and in-law suites. Serving Powell, Dublin, Westerville & more, they offer custom design, permitting, and smart home integration with transparent pricing.
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ADU Builder Columbus constructs accessory dwelling units, granny flats & in-law suites. Projects cost $50K–$150K+, take 3–6 months, and can boost property value. Financing options available.
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Casita Home Builders LLC specializes in custom ADUs, granny flats, pool houses, and home additions in Cincinnati & Northern Kentucky. ADUs boost property value 25–35%, cost $200–$300/sqft, and offer flexible financing options.
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Modern Tiny Living builds high-quality tiny homes for full-time living, rental, or office use. Founded in Columbus, Ohio, they partner with Amish craftsmen and offer sizes from 20–28 ft., shipping across 48 states and Canada.
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Great Lakes Tiny Home builds park model tiny homes, A-frames & compact dwellings for full-time living, vacation rentals, Airbnb, guest houses & backyard retreats. Models include the A-Frame Luxe, Grizzly, Aspen, Firefly & Trailblazer.
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Payne & Tompkins Design is Northeast Ohio's premier design-build renovation firm. Founded in 2018, they offer full-service renovations, ADU construction, and structured design processes, ensuring quality craftsmanship and client-focused results.
read moreOhio is one of the few states in the US where zoning and ADU regulations are primarily governed at the local municipal level, rather than through statewide legislation. Unlike California or Oregon, Ohio has not passed sweeping state laws mandating ADU-friendly zoning. This means that ADU contractors in Ohio must be well-versed in the specific rules of each city, township, or county they operate in. From Columbus to Cleveland, Cincinnati to Dayton, the rules surrounding accessory dwelling units can vary dramatically from one jurisdiction to the next, making local expertise an absolute necessity when hiring an ADU contractor in Ohio.
An ADU contractor in Ohio specializes in the design, permitting, and construction of accessory dwelling units — secondary housing structures built on the same lot as a primary residence. These can include detached backyard cottages, garage conversions, basement apartments, and attached in-law suites. Ohio homeowners are increasingly turning to ADUs as a way to generate rental income, house aging family members, or increase overall property value. Experienced ADU contractors handle every phase of the project, including:
Because Ohio lacks a unified statewide ADU law, contractors must research local zoning codes before breaking ground on any project. For example, the City of Columbus has specific regulations regarding minimum lot sizes, setback requirements, and maximum ADU square footage. Many Ohio municipalities require that the property owner occupy either the primary residence or the ADU. Additionally, contractors must ensure compliance with the Ohio Building Code (OBC), which governs structural safety, energy efficiency, and fire safety standards across all residential construction in the state.
When selecting an ADU contractor in Ohio, homeowners should prioritize professionals with demonstrated local experience. The right contractor will have a strong track record of successfully pulling permits in your specific city or county. Look for the following qualifications:
As housing costs continue to rise in major Ohio metros like Columbus, Cleveland, and Cincinnati, the demand for affordable ADU construction is growing rapidly. Skilled ADU contractors in Ohio are helping homeowners unlock the hidden potential of their properties while addressing the state's broader housing shortage. Whether you're looking to build a rental unit, accommodate a family member, or simply add value to your home, partnering with a knowledgeable Ohio ADU contractor is the critical first step toward a successful project.