Best adu — Des Moines, IA | AccessoryDwellingUnit Services

Looking for best adu in Des Moines, IA? Call AccessoryDwellingUnit Services for a contact a provider — no obligation. Licensed adu builders serve Des Moines 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

Defining the best unit for your property depends on your specific goals, such as maximizing rental yield or creating a versatile multi-generational living space. A great build features high-quality insulation, smart storage solutions, and an aesthetic that complements your main house. We emphasize durable construction and efficient design to ensure your unit remains a valuable asset for your property over the long term. Let us help you plan the right layout. Exact pricing confirmed free on the call.

Frequently asked in Des Moines

What are the disadvantages of ADUs in Des Moines?

How much does an ADU cost in Iowa?

The cost of an ADU in Iowa, including Des Moines, varies considerably. Key factors include the size, design complexity, quality of materials, and any necessary site preparation. Permit fees and the contractor chosen will also affect the final price. A personalized quote is the best way to understand the investment.

What are the rules for ADUs in Des Moines?

Is an ADU allowed in Des Moines?

Yes, ADUs are permitted in Des Moines, Iowa, provided they meet the city's established zoning and building code requirements. Des Moines has been working to make ADU development more accessible. Your property's location and zoning will determine the specific approvals needed. A quick call can clarify your property's potential.

There isn't a comparable statewide grant program for ADUs in Iowa. It's best to discuss potential financing options or local incentives when you receive your quote.

How do I find the best ADU contractor in Des Moines?

Also serving nearby: Cedar Rapids · Omaha · Davenport · Lincoln · Independence

All cities in Iowa →

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

Service area details

210,381residents

2,386per sq mile

8ZIP codes served

Serving all of Des Moines — population 210,381; about 2,386 residents per square mile across 88.2 sq mi. ZIP codes covered include 50301, 50302, 50303, 50304, 50305, 50306, 50307, 50308.

Neighborhoods served in Des Moines: Waterfront, Drake Neighborhood, Sherman Hill, West End, East Village — and every surrounding area.