
Precise Projects LLC
Precise Projects LLC. General contractor. 2646 73rd Ave NE, Bismarck, ND 58503, United States
Looking for the best custom ADU builders in Bismarck, North Dakota? Our directory features 21 vetted custom adu builders serving the Bismarck area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

Precise Projects LLC. General contractor. 2646 73rd Ave NE, Bismarck, ND 58503, United States

Truebuild Homes. Contractor. 212 W Main Ave, Bismarck, ND 58501, United States

Epic Built. Custom home builder. 5104 Stockholm Lp, Bismarck, ND 58503, United States

Tobias Marman Construction. Construction company. 110 N 26th St, Bismarck, ND 58501

Burleigh Builders. Custom home builder. 4009 Ivory Ln, Bismarck, ND 58503, United States

Knutson Homes. Home builder. 101 Slate Dr, Bismarck, ND 58503, United States

Ault Construction. General contractor

Prestige Homes & Design. Home builder. 7107 19th St Unit 103, Bismarck, ND 58503, United States

Artisan Homes - Bismarck Custom Home Builder. Home builder. 2527 Railroad Ave, Bismarck, ND 58501, United States

Paramount Builders. Home builder. 1407 Tacoma Ave, Bismarck, ND 58504

DYNAMITE BUILDERS, LLC. Home builder. 6007 Woodrow Dr, Bismarck, ND 58504, United States

Sparling Construction. Remodeler. 2011 Lovett Ave, Bismarck, ND 58504, United States

Sattler Homes. Home builder. 324 Live Oak Lane, Bismarck, ND 58504, United States

Verity Homes. Home builder. 3100 N 14th St, Bismarck, ND 58503, United States

copper ridge design and builders. Custom home builder. 925 Basin Ave #7, Bismarck, ND 58504, United States

Todd's Construction. Home builder. 3333 E Broadway Ave # 1204, Bismarck, ND 58501, United States

D&B Homes. Custom home builder. 1422 Industrial Dr, Bismarck, ND 58501, United States

Boulder Homes LLC. Home builder

Huntington Homes. Home builder. 6921 Aurora St, Bismarck, ND 58503, United States

Rudnick Construction Inc.. Custom home builder
Bismarck is one of the top markets for accessory dwelling units in North Dakota. With growing demand for affordable housing, ADU construction in Bismarck offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of custom adu builders in Bismarck helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Bismarck typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed custom adu builders to compare prices.
Yes, ADU construction in Bismarck requires building permits. North Dakota has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Bismarck typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.