Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
About this service
The amount you spend depends on the size of the unit, whether you are building from scratch or converting an existing structure, and the quality of your finish materials. Foundations, utility connections, and local labor rates also play a significant role. We provide exact pricing confirmed free on the call.
Frequently asked in Aurora
What are the disadvantages of ADUs?
The primary disadvantages often involve the initial construction costs and ensuring compliance with Aurora's zoning ordinances. It's also important to consider how an ADU might integrate with your existing property. We can help you identify potential challenges. Let's discuss your specific situation.
How much does an ADU cost in Illinois?
What are the rules for ADUs in Illinois?
Illinois has state-level frameworks, but individual cities like Aurora have their own specific zoning and building codes for ADUs. These rules often cover aspects like size limits and placement. Understanding these local guidelines is essential. We can help you navigate Aurora's ADU rules.
Is an ADU allowed in Illinois?
Yes, ADUs are generally permissible in Illinois, with regulations varying by city. Aurora has its own set of rules that govern accessory dwelling units. Adhering to these local requirements is crucial for your project. We can offer insights into Aurora's ADU allowances.
That specific grant applies only to California and is not available in Illinois. Funding opportunities can differ significantly depending on your location. For your ADU project in Aurora, we provide information relevant to your area. Let's discuss your project needs.
What are the rules for ADU in California?
California has specific state laws that streamline ADU development, often requiring cities to allow them with fewer restrictions than before. These rules address things like minimum lot sizes and owner occupancy. Since you're in Aurora, we'll focus on Illinois and Aurora's specific regulations for your ADU. We can provide a local perspective.
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, The Preserve, Indian Plains, Aurora Highlands, Naperville Road Corridor — and every surrounding area.
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