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Adu housing — Denver, CO

Looking for adu housing in Denver, CO? Call AccessoryDwellingUnit Services for a contact a provider — no obligation. Licensed adu builders serve Denver 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

ADU housing refers to the creation of independent living quarters on a property that already has a primary house. This is a common solution for multi-generational families or those looking for rental income. Whether you are building a studio or a two-bedroom unit, it provides a private kitchen, bathroom, and living area. You need this if you want to maximize your property's utility without moving. Exact pricing confirmed free on the call.

Frequently asked in Denver

What’s involved in accessory dwelling unit construction in Denver?
How do I get an ADU quote in Denver?

Getting an ADU quote in Denver is simple. You’ll typically have an initial consultation with a specialist who will discuss your project needs and assess your property. They’ll consider factors like the size of the ADU, the chosen style, and any site-specific challenges. Based on this, they can provide a detailed estimate for your Denver home. One call is all it takes to start.

Is an affordable ADU possible in Denver?

Yes, an affordable ADU in Denver is possible by making smart choices during the design and construction process. Factors like the size of the unit, the materials used, and whether it's a garage conversion or a new backyard structure can impact cost. Working with experienced pros helps identify cost-effective solutions. They can guide you toward options that fit your budget in neighborhoods like Berkeley.

Where can I find an ADU near me in Denver?
What is considered the 'best' accessory dwelling unit for Denver?

The 'best' accessory dwelling unit for Denver truly depends on your specific needs and property. For some, it's a backyard cottage; for others, it's a basement remodel or garage conversion. The ideal ADU maximizes your lot's potential and complements your existing home's style. A professional consultation can help determine the best option for your Denver location.

What is the cost to build an accessory dwelling unit in Denver?

The cost to build an accessory dwelling unit in Denver varies significantly based on its size, design complexity, and chosen materials. Site preparation and foundation work also play a role. A basic conversion might cost less than a custom-built backyard cottage. To get an accurate figure for your Denver property, a personalized quote is essential. This will detail all project-specific expenses.

Can I find an accessory dwelling unit contractor in Denver?

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

All cities in Colorado →

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

Service area details

716,577residents
4,681per sq mile
8ZIP codes served

Serving all of Denver — population 716,577; about 4,681 residents per square mile across 153.1 sq mi. ZIP codes covered include 80201, 80202, 80203, 80204, 80205, 80206, 80207, 80208.

Neighborhoods served in Denver: Capitol Hill, Highlands, Sunnyside, City Park West, West Wash Park, Berkeley — and every surrounding area.

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