Accessory dwelling unit cost — Aurora, CO | AccessoryDwellingUnit Pros

Looking for accessory dwelling unit cost in Aurora, CO? Call AccessoryDwellingUnit Pros 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 is a custom project, so costs vary based on your specific choices. Site conditions are the biggest factor; if your land requires significant grading, utility extensions, or foundation work, those expenses add up quickly. Choosing high-end finishes, custom cabinetry, or complex roof lines will also push the budget higher compared to a standard design. Prefabricated units often offer predictable costs, while custom site-built structures allow for more flexibility but can be harder to estimate upfront. Exact pricing confirmed free on the call.

About this service

The total cost for an ADU depends on whether you are building a new detached structure, converting an existing garage, or adding an attached unit. Factors like plumbing installation, electrical panel upgrades, and custom interior finishes drive the final investment. Understanding these variables early helps you determine the feasibility of your project. Exact pricing confirmed free on the call.

Frequently asked in Aurora

What are the disadvantages of ADUs?

Potential downsides to ADUs include the initial construction costs and the possible reduction in your backyard space. The permitting and building process can also take time. It's important to weigh these against the benefits of increased property value or rental income. We can help you discuss these.

How much does an ADU cost in Colorado?

What are the rules for ADUs in Colorado?

Colorado has state legislation encouraging ADUs, but specific regulations are often determined by individual cities like Aurora. These ordinances typically cover aspects such as minimum lot size, maximum square footage, and parking requirements. A local pro can clarify Aurora's specific rules.

Is an ADU allowed in Maryland?

Our services are focused on providing ADU estimates in Colorado. ADU regulations are highly specific to each state and local municipality. If you are interested in Maryland, you will need to find services that specialize in that area. We can help you with ADUs in Aurora.

What are the rules for ADU in California?

California has been at the forefront of ADU legislation, often streamlining the approval process statewide. However, local jurisdictions still maintain their own specific rules. For Aurora, we focus on Colorado state laws and the city's particular ordinances. We can provide advice tailored to your Aurora property.

Grant programs for ADUs are not universally available and often depend on specific state or local initiatives, like some that have existed in California. It's advisable to research current local funding opportunities. For Aurora, we can help you understand costs without relying on speculative grants. We can help you explore options.

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: Gardens on Havana, Meadowood, Mission Viejo, Seven Hills, Aurora Highlands — and every surrounding area.