Adu Services in Denver, CO | AccessoryDwellingUnit Direct

Looking for adu services in Denver, CO? Call AccessoryDwellingUnit Direct 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 variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.

About this service

ADU services simplify the process of adding extra living space to your lot. Whether you are looking to create a rental unit for extra income or a private space for family members, these services handle the architectural drawings, engineering, and city approvals required by your local jurisdiction. You should reach out for these services when you have a clear goal for your backyard space but need expert help turning that vision into a permitted, livable structure.

Frequently asked in Denver

What are the disadvantages of ADUs in Denver?

The main disadvantages often involve upfront costs and navigating Denver's specific zoning regulations. Permitting can also take time, and you'll need to consider utility hookups. Understanding these potential hurdles early on is key. We can help you get a clear picture of what's involved.

How much does an ADU cost in Denver?

What are the rules for ADUs in Denver?

Denver has specific rules regarding ADU size, placement, and occupancy. Generally, they must be on the same lot as a primary residence and meet setback requirements. Parking regulations are also a consideration. We can help clarify these rules for your specific location.

Is an ADU allowed in Denver?

Yes, ADUs are generally allowed in Denver, but there are specific regulations to follow. These rules dictate size, placement on the lot, and how they can be occupied. It's important to ensure your project complies with Denver's zoning ordinances. We can provide guidance tailored to your Denver address.

What's involved in building an ADU in Denver?

How long does it take to build an ADU in Denver?

The timeline for building an ADU in Denver can vary. Permitting can take several weeks to months, depending on the city's workload. Construction itself usually takes a few months. Factors like weather and material availability can also impact the schedule. Get a quote to understand the potential timeline.

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