Accessory dwelling unit companies

Looking for accessory dwelling unit companies in Sioux Falls, SD? Call AccessoryDwellingUnit Pros for a contact a provider — no obligation. Licensed adu builders serve Sioux Falls 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 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.

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Frequently asked in Sioux Falls

What are the disadvantages of ADUs in Sioux Falls?

In Sioux Falls, potential disadvantages of ADUs include a possible slight rise in property taxes and utility costs. You'll also want to consider the impact on your existing yard space. Some homeowners find the permitting process a bit involved. However, these are generally manageable with experienced local professionals.

How much does an ADU cost in South Dakota?

The cost of an ADU in South Dakota, including Sioux Falls, varies based on its size, the materials chosen, and the specific site conditions. Factors like foundation work, plumbing, and electrical installations are significant cost drivers. It’s impossible to give an exact number without evaluating your property. That's why getting a personalized quote for your Sioux Falls home is the best approach.

What are the rules for ADUs in South Dakota?

Is an ADU allowed in Sioux Falls?

Yes, ADUs are permitted in Sioux Falls, and the city has been supportive of accessory dwelling units as a way to increase housing options. The specific regulations will depend on your property's zoning and lot size. It’s beneficial to consult with professionals familiar with Sioux Falls' ADU policies.

What is the process for getting an ADU in Sioux Falls?

The typical ADU process involves design, obtaining necessary permits, construction, and final inspections. Professionals streamline this by managing the design and permit applications. They also oversee the construction phase. You’ll be working with specialists who know Sioux Falls’ building standards.

Also serving nearby: Omaha · Lincoln · Bloomington · Minneapolis · Des Moines

All cities in South Dakota →

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

Service area details

206,410residents

2,496per sq mile

8ZIP codes served

Serving all of Sioux Falls — population 206,410; about 2,496 residents per square mile across 82.7 sq mi. ZIP codes covered include 57101, 57103, 57104, 57105, 57106, 57107, 57108, 57109.

Neighborhoods served in Sioux Falls: All-America City, Sertoma Park, Downtown, Washington Square, Oak View — and every surrounding area.