Looking for cost of accessory dwelling unit in Aurora, CO? Call AccessoryDwellingUnit Services for a contact a provider — no obligation. Licensed adu builders serve Aurora 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 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

Building an ADU involves several variables that shift the total investment. Your site conditions, the type of foundation, and the quality of finishes you choose will dictate whether you land on the lower or higher end of the spectrum. Because every lot is unique, we provide a breakdown of your specific project requirements to ensure full transparency. Exact pricing confirmed free on the call.

Frequently asked in Aurora

What are the disadvantages of ADUs in Aurora?

Potential drawbacks include increased property taxes and the impact on your existing yard space. Parking can also become a consideration in some neighborhoods. It's important to carefully weigh these points against the benefits of adding an ADU.

How much does an ADU cost in Colorado?

What are the rules for ADUs in Aurora?

Aurora has specific zoning regulations that cover ADU size, lot coverage, setbacks, and parking requirements. Ensuring your ADU design meets these city standards is vital for permit approval. The pros we work with are knowledgeable about these local rules.

Is an ADU allowed in my Aurora neighborhood?

ADUs are generally permitted in many residential zones throughout Aurora, though specific lot size and design guidelines apply. It's always best to confirm with the city's planning department. We can help you understand what's feasible for your property.

What is the process for building an ADU in Aurora?

The process involves architectural design, obtaining building permits from the city of Aurora, and then construction. Working with experienced professionals ensures that all necessary steps are handled correctly and efficiently.

Can ADUs help with housing affordability in Aurora?

Yes, ADUs can contribute to housing affordability by creating more rental units in Aurora. They offer a more accessible housing option for individuals and families. This is a growing trend in many urban areas.

Also serving nearby: Denver · Centennial · Thornton · Lakewood · Westminster

All cities in Colorado →

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

Service area details

395,052residents

2,423per sq mile

8ZIP codes served

Serving all of Aurora — population 395,052; about 2,423 residents per square mile across 163.0 sq mi. ZIP codes covered include 80010, 80011, 80012, 80013, 80014, 80015, 80016, 80017.

Neighborhoods served in Aurora: Southlands, Aurora Hills, Green Valley Ranch, Meadowood, Finchwood — and every surrounding area.