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Accessory dwelling unit services — Denver, CO

Looking for accessory dwelling unit services in Denver, CO? Call AccessoryDwellingUnit Pros for a free estimate — no obligation. Licensed adu builders serve Denver and the surrounding area, and you'll get straight answers on timing and what affects the price.

Licensed, insured pros serve every neighborhood in Denver. Thinking about an ADU to get more from your property in the Mile High City? Whether you're looking at a backyard cottage or a basement conversion, we can help you figure out what's possible under Denver's zoning rules. Many homeowners are adding these units to help with housing costs or to create rental income. You'll want to understand the specifics of building permits and inspections right here in Denver. One quick call gets you a free quote — no obligation. Same-day appointments are often available in Denver. Let's get your ADU project moving.

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

These services cover the entire lifecycle of building a backyard home, from initial property assessments and architectural design to navigating local zoning permits. You need this when you want to add living space to your property but don’t know where to start with city regulations or site feasibility. Professionals handle the paperwork, site planning, and technical requirements so you can focus on the final layout and how you plan to use the additional square footage on your lot.

Frequently asked in Denver

What are the disadvantages of ADUs in Denver?

Potential drawbacks include upfront construction costs and navigating Denver's permitting process, which can be complex. You also need to consider ongoing maintenance and property taxes. However, many find the benefits of increased living space or rental income outweigh these factors. Understanding these upfront is key.

How much does an ADU cost in Colorado?

ADU costs in Colorado vary widely based on size, materials, and site conditions. Factors like foundation type and finishes significantly impact the final price. It's best to get a personalized quote based on your specific Denver property and design. Call us for a free estimate to get a clear picture.

What are the rules for ADUs in Colorado?

Colorado's ADU regulations are set at the state and local levels, with Denver having its own specific ordinances. These rules cover aspects like lot coverage, setbacks, and parking requirements. It's crucial to comply with Denver's municipal code. We can help you understand these local rules.

Is an ADU allowed in Denver?

Yes, ADUs are generally allowed in Denver, provided they meet the city's zoning and building codes. Denver has been working to make ADUs more accessible. There are specific requirements for size, placement, and access that must be followed. Check with us for specifics on your property.

What is the $40,000 grant in California for ADU?

That specific grant program is for California and doesn't apply to Colorado. However, there might be local incentives or financing options available for ADUs in Denver. It's worth exploring what funding avenues exist for your project here. Let's discuss your options.

What are the rules for ADUs in Denver?

Denver's rules for ADUs focus on integrating them harmoniously with existing neighborhoods. You'll need to adhere to setback requirements, maximum size limitations, and ensure adequate off-street parking. Understanding lot coverage is also essential. We can guide you through Denver's specific code.

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

All cities in Colorado →

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

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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, Uptown, LoDo, RiNo, Cherry Creek, Highlands — and every surrounding area.

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