ADU Permit Requirements in Horace, ND
Horace is a fast-growing Fargo metro suburb in Cass County (population ~3,085 in 2020, ~6,286 estimated 2024). The city operates its own Building Permits and Inspections department covering building permits, land use (fences/signs), right-of-way, and boulevard tree permits. Online applications and inspection requests via SmartGov citizen portal. Mailing address is PO Box 99; physical City Hall street address not surfaced on portal pages and left out rather than guessed. Fee schedule referenced as PDFs on the residential page but no stable absolute URL captured; left null.
By Joey, Founder · Last verified May 15, 2026 · How we research →
When you need a ADU permit in Horace
Accessory Dwelling Units (ADUs / guest houses / in-law units) require a building permit and zoning review in virtually every jurisdiction. Septic capacity must be re-evaluated when not on city sewer, and most cities require utility connection upgrades, parking review, and owner-occupancy or rental-restriction findings (IRC R105.1, varies by state ADU statute). To confirm requirements for your specific project in Horace, ND, contact City of Horace Building Permits and Inspections at (701) 492-2972. Apply online: https://ci-horace-nd.smartgovcommunity.com/Public/Home.
ADU Permit Costs: Horace vs. Nearby
| City | Estimated Fee |
|---|---|
| Horace | N/A |
| Fargo | $350 – $3,500 |
| Bismarck | $350 – $3,500 |
| Grand Forks | $350 – $3,500 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Horace permit costs →
Zoning Considerations
ADU regulations vary dramatically by state and city. Many states (CA, OR, WA) have preemption laws that override local zoning restrictions. Check both state law and local zoning before designing.
Estimated Project Timeline in Horace
Here's a typical timeline for a adu project in Horace, ND:
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Frequently Asked Questions
Contact Horace's building department for current ADU permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller ADU projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Horace can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Contact Horace's building department for current processing times. Timelines vary based on project complexity and whether plan review is required.
Learn More About ADU Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read ADU Guide →