Adu quote — Denver, CO | AccessoryDwellingUnit Services

Looking for adu quote 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

An ADU quote is a detailed breakdown of the costs to build your secondary unit, including site preparation, materials, and labor. Factors like foundation type, utility trenching distance, and interior finish levels will move your total up or down. It provides the financial roadmap for your project. Exact pricing confirmed free on the call.

Frequently asked in Denver

What are the benefits of ADU housing in Denver?

ADU housing in Denver offers numerous advantages, including increased living space for family or guests, and the potential for generating rental income. They can also add significant value to your property in the Denver market. ADUs provide a flexible solution for changing family needs or investment opportunities. They are a smart way to expand your home without the extensive disruption of a major renovation. Let us help you explore these benefits.

What permits are needed for an ADU in Denver?

Obtaining permits for an ADU in Denver involves submitting detailed plans that comply with the city's zoning ordinances and building codes. You'll likely need building permits, and possibly zoning permits, depending on the specifics of your project. The professionals we work with in Denver are experienced in navigating this process. They can ensure your ADU meets all necessary requirements for legal construction. We can help you find them.

What does accessory dwelling unit mean in Denver?

In Denver, an accessory dwelling unit (ADU) is a secondary, independent living space on a lot with a primary single-family home. It can be attached to the main house, a detached structure like a garage conversion, or a new build on the property. Essentially, it’s a complete, smaller dwelling. Understanding this definition is crucial when planning your ADU project in Denver. We can help explain it further.

Where can I find accessory dwelling units near me in Denver?

What is the average ADU cost in Denver?

The average ADU cost in Denver can vary widely depending on factors like size, design, and the complexity of site preparation. Utility connections and finishes also play a significant role in the overall investment for your Denver ADU. To get an accurate understanding of the cost for your specific project, it’s best to obtain a personalized quote. We can help you arrange this.

What are the requirements for accessory dwelling unit construction in Denver?

Accessory dwelling unit construction in Denver must adhere to specific zoning regulations, including lot coverage, setback requirements, and parking rules. The design must also meet all applicable building codes for safety and habitability. Local professionals in Denver are well-versed in these requirements and can ensure your ADU is built to code. They will guide you through the entire process. Let us help you find them.

Can I get an ADU estimate 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, LoDo (Lower Downtown), Highlands, Cherry Creek, Washington Park, Sloan's Lake — and every surrounding area.