Looking for cost to build accessory dwelling unit in Aurora, CO? Call AccessoryDwellingUnit Solutions 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 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.

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When calculating the budget for a secondary unit, consider the costs for architectural design, permits, materials, and labor. Custom designs and high-end interior finishes will push your budget higher, while standardized layouts can keep costs more predictable. Exact pricing confirmed free on the call.

Frequently asked in Aurora

What are the disadvantages of ADUs?

Potential drawbacks include the upfront construction costs and the temporary disruption to your property during building. Ensuring full compliance with Aurora's zoning ordinances and building codes is also crucial. Experienced professionals can help you anticipate and navigate these challenges effectively.

How much does an ADU cost in Colorado?

The cost of an ADU in Colorado, including Aurora, varies based on size, design complexity, material choices, and site-specific conditions. Foundation requirements and utility hook-ups can also impact the price. Permit fees are an additional consideration. A personalized quote will offer the most accurate pricing for your project.

What are the rules for ADUs in Colorado?

ADU regulations in Colorado are largely determined at the local level. Aurora has specific ordinances that dictate requirements for accessory dwelling units, such as lot coverage, setbacks, and parking. It is important to work with professionals who understand these local rules to ensure your ADU meets all compliance standards.

Is ADU allowed in Maryland?

What are the rules for ADU in California?

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 Highlands, Seven Hills, Windsor, City Center — and every surrounding area.