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.
About this service
A professional company handles the heavy lifting, including architecture, engineering, permit submittals, and the actual construction labor. You need an experienced team when you want to ensure your unit is built to code, structurally sound, and completed on a predictable schedule. We act as your single point of contact, coordinating every trade and inspection so you aren't managing subcontractors yourself. We provide professional oversight from start to finish. Exact pricing confirmed free on the call.
Frequently asked in Aurora
What are the disadvantages of ADUs in Aurora?
Potential disadvantages of ADUs in Aurora might include the upfront construction costs and the impact on your existing backyard space. You should also consider how an ADU might affect your property taxes. Discussing these points with a local pro will provide clarity.
How much does an ADU cost in Illinois?
The cost of an ADU in Illinois can vary significantly based on its size, the materials chosen, and the complexity of the construction. Site preparation, foundation work, and necessary utility upgrades also play a role in the overall expense. A personalized estimate from an Aurora professional is the most accurate way to determine cost.
What are the rules for ADUs in Illinois?
Illinois has state legislation encouraging ADUs, but individual cities like Aurora have their own specific zoning ordinances and building codes. These rules often address aspects like minimum lot size, setbacks from property lines, and maximum height. A local expert can detail the exact requirements for your property.
Can I get a grant for an ADU in Illinois?
While specific grant programs can change, it's always worth exploring potential funding opportunities. Some municipalities or state initiatives might offer incentives for ADU construction, especially for affordable housing projects. Inquire with the pros about any available grants for your Aurora ADU.
What is the process for building an ADU in Aurora?
What permits are needed for an ADU in Aurora?
Also serving nearby: Naperville · Joliet · Elgin · Chicago · Waukegan
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Aurora — population 177,563; about 3,941 residents per square mile across 45.1 sq mi. ZIP codes covered include 60502, 60503, 60504, 60505, 60506, 60507, 60568, 60569.
Neighborhoods served in Aurora: Fox Valley, Hollywood, Meadowood, The Shire, Stonegate — and every surrounding area.
Areas we serve
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