Best accessory dwelling unit — Denver, CO | AccessoryDwellingUnit Solutions

Looking for best accessory dwelling unit in Denver, CO? Call AccessoryDwellingUnit Solutions 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 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.

About this service

The right ADU for your property is one that balances your functional needs with the existing architecture of your main home. A great unit maximizes natural light, offers a smart floor plan, and stays within your budget. Whether you need a home office, a rental space, or housing for family, the best unit is built to last and integrates well with your yard. Exact pricing confirmed free on the call.

Frequently asked in Denver

What are the disadvantages of ADUs in Denver?

How much does an ADU cost?

What are the rules for ADUs in Denver?

Denver has specific zoning ordinances for ADUs, including lot coverage limits and setback requirements. You'll need to ensure your property meets these criteria. Understanding these rules early on is crucial for a smooth process. We can help clarify these regulations for your specific Denver address.

Is an ADU allowed in Colorado?

Yes, ADUs are generally allowed in Colorado, with local municipalities like Denver having their own specific regulations. It's important to check with the city or county where your property is located. State-level support exists, but local rules dictate the specifics of what you can build. Getting local advice is essential.

What is the best accessory dwelling unit for my Denver property?

The 'best' ADU depends on your needs and property layout in Denver. Consider whether you need extra rental income, space for family, or a home office. Factors like backyard size and existing home style are important. A conversation with a specialist can help determine the ideal ADU design for your Denver home.

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: LoDo, Capitol Hill, Cherry Creek, Wash Park, Highlands — and every surrounding area.