Sioux County, ND — 2026 Building Permit Guide

On this page 5

§ 01

Permit authority

Sioux County Courthouse

Street address

300 2nd Avenue, Fort Yates, ND 58538

Phone

(701) 854-3853

vironeyes@nd.gov

Coverage

Unincorporated Sioux County, within the Standing Rock Sioux Reservation. Tribal law applies to tribal lands; non-tribal lands may be subject to county jurisdiction in coordination with tribal authorities.

§ 02

When a permit is required

Permit triggers and exempt work for Sioux County

Building permits required for new construction, additions, remodeling, certain structural repairs, and land disturbance of 1+ acre.

Note: Sioux County is entirely within the Standing Rock Sioux Reservation. For properties on tribal lands, tribal permits and codes take precedence. Non-tribal landowners should verify jurisdiction with county and tribal authorities before proceeding with permits.

Building code: North Dakota State Building Code (2024 IBC, 2024 IRC, 2024 IMC, 2024 IFGC effective January 1, 2026)

§ 03

Application process

Typical processing: Processing time not specified; contact county offices for estimates.

01

Contact Sioux County Courthouse by phone or mail to inquire about permit requirements and application procedures.
02

Prepare required application materials and documentation.
03

Submit application by mail to: P.O. Box L, Fort Yates, ND 58538.
04

County staff will review application and notify applicant of approval or required corrections.
05

Pay permit fees upon approval.
06

Schedule required inspections with county offices.

Typical processing time: Processing time not specified; contact county offices for estimates.

§ 04

Required inspections

Scheduling and sequence

How to schedule

(701) 854-3853 (phone)

Typical sequence: On-site inspections performed at various phases of construction.

§ 05

Frequently asked

Common questions about unincorporated Sioux County permits

01 Do I need a building permit in unincorporated Sioux County, ND? ▸

Building permits required for new construction, additions, remodeling, certain structural repairs, and land disturbance of 1+ acre.

02 How do I apply for a building permit in unincorporated Sioux County, ND? ▸

To apply for a building permit in unincorporated Sioux County, ND, follow these steps: 1. Contact Sioux County Courthouse by phone or mail to inquire about permit requirements and application procedures. 2. Prepare required application materials and documentation. 3. Submit application by mail to: P.O. Box L, Fort Yates, ND 58538. 4. County staff will review application and notify applicant of approval or required corrections. 5. Pay permit fees upon approval. 6. Schedule required inspections with county offices.

03 How long does it take to get a building permit in unincorporated Sioux County, ND? ▸

Building permit processing times in unincorporated Sioux County, ND typically run Processing time not specified; contact county offices for estimates.. Timelines can vary based on project complexity and current department workload.

04 How do I schedule a building inspection in unincorporated Sioux County, ND? ▸

Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Sioux County, ND via: (701) 854-3853.

last verified April 2026 entry id permits/north-dakota/sioux/unincorporated

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Educational reference. Permit rules and fees change — confirm current requirements directly with Sioux County Courthouse before applying. Jaspector is not legal advice.