Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
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Frequently asked in Denver
What are the disadvantages of ADUs in Denver?
Potential disadvantages include the initial cost of construction and the time it takes to get permits approved by the city. You'll also want to consider how an ADU might affect your property taxes or homeowner's insurance. It's important to weigh these against the benefits before moving forward.
How much does an ADU cost in Denver?
The cost of an ADU in Denver varies significantly based on size, materials, and site preparation. Factors like foundation work, plumbing, and electrical connections all play a role. To get an accurate estimate tailored to your specific needs, it's best to get a personalized quote.
What are the rules for ADUs in Denver?
Denver has specific zoning ordinances and building codes that govern ADU construction. These rules often dictate things like minimum lot size, setbacks, and the maximum number of ADUs per property. Understanding these regulations is crucial for a successful project.
Can I build an ADU on my property in Denver?
Generally, yes, many Denver properties are eligible for ADUs, but specific zoning requirements must be met. It depends on your lot size, location within the city, and whether your property is zoned for accessory dwelling units. A consultation can confirm your eligibility.
How long does it take to build an ADU in Denver?
The timeline for building an ADU in Denver can range from a few months to over a year. This includes the design phase, obtaining permits, and the actual construction. Factors like weather and the complexity of the design can influence the duration.
What are the benefits of adding an ADU in Denver?
Adding an ADU in Denver can provide a significant source of rental income, help you house family members, or increase your property's resale value. They offer flexible living solutions and can contribute to more diverse housing stock in the city.
Also serving nearby: Aurora · Thornton · Centennial · Westminster · Lakewood
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
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, Uptown, Highlands, LoDo, Cherry Creek — and every surrounding area.
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