Walsh County, North Dakota requires a building permit before development or construction, except for buildings and activities directly connected with farming operations1. County zoning divides land into districts with different use and lot rules23. The Walsh County Health District must approve construction or alteration of an onsite sewer system, and the permit is valid for one year4.
At a glance
- Building permit
- Required before development or construction; farming operations have a stated exception1
- Zoning
- Yes; county districts have different use and dimensional rules23
- Septic permit
- Health District approval is required; construction needs 48-hour advance notice4
- Agricultural lot
- A non-farm single-family dwelling needs at least 2 acres and conditional-use approval5
- Residential lot
- Single-family: 10,000 square feet and 75 feet wide; multifamily: 10,500 square feet per unit and 100 feet wide6
- RV or tiny home
- Private-land occupancy rules could not be confirmed; ask Planning & Zoning7
- Occupancy
- A Certificate of Compliance is required before a regulated structure is occupied8
- Off-grid sanitation
- Privies and cesspools need Planning & Zoning Commission approval9
Who to call
Building permits
Walsh County Auditor/Treasurer (Planning & Zoning)
County building-permit and Planning & Zoning documents
600 Cooper Ave, Grafton, ND 58237
Septic permits
Walsh County Health District & WIC
Local public-health contact for onsite sewer permits
638 Cooper Ave. Suite 3
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Walsh County, North Dakota?
Walsh County requires a building permit before development or construction, except for buildings and activities directly used in connection with farming operations1. The farming exception is not a general owner-builder exemption, so an owner doing personal construction should confirm the permit path with Planning & Zoning110. Before a regulated building or structure may be occupied, the Code Administrator must issue a Certificate of Compliance confirming conformity with the development-permit specifications8. North Dakota's state code framework uses the 2024 building-code editions and took effect January 1, 2026, but Community Services does not enforce it; enforcement belongs to jurisdictions that elect to administer the code1112.
Who handles Walsh County building permits and zoning?
The Walsh County Auditor/Treasurer is the starting point for building permits and Planning & Zoning documents10. The office is at 600 Cooper Ave, Grafton, ND 58237; call (701) 352-2851 or email [email protected]10. The county publishes a variance application, zoning manual, building-permit form and fee schedule, but those materials do not state every filing, review, inspection or approval step13. Ask the office to identify the parcel's zoning district, confirm whether another local authority applies, and explain the current application, fee and inspection process213. The same office can explain what the Code Administrator needs before issuing the Certificate of Compliance required for occupancy810. Permit and plan-review fees are set by the enforcing jurisdiction rather than by one statewide fee schedule14.
Does Walsh County, North Dakota have zoning?
Walsh County has Agricultural, Residential, Restricted Development, Industrial, Mobile Home Residential and Commercial zoning districts23. Confirm the controlling rules for the parcel because the district-specific residential claims apply outside zoning authority accepted by municipalities and townships515. In the Agricultural District, a non-farm single-family dwelling is a conditional use on at least 2 acres and requires a public hearing5. In the Residential District, a single-family unit needs at least 10,000 square feet and 75 feet of width; a multifamily project needs at least 10,500 square feet per unit, 100 feet of width and conditional-use approval616. The reviewed rules establish lot area, not a minimum dwelling floor area, so ask Planning & Zoning about a proposed small home10.
How do septic permits work in Walsh County?
The Walsh County Health District issues the local permit for construction or alteration of an onsite sewer system, while North Dakota licenses installers174. The application lists a $250 non-refundable onsite sewer permit fee and a $20 tank permit fee, both payable with the application; the permit lasts one year4. The permit materials call for a site and soil evaluation, compliant soil borings and percolation tests where required, and notice to the department 48 hours before construction18. Contact the Walsh County Health District & WIC at 638 Cooper Ave. Suite 3 or 701-352-513919. Only about 25.5% of Walsh County soils are rated without severe limitations for a conventional drain field, so make septic feasibility an early purchase contingency20. Privies and cesspools require Walsh County Planning & Zoning Commission approval9.
Can you live in an RV or tiny home in Walsh County?
Walsh County's private-land rules for living in an RV or occupying a tiny home could not be confirmed, so ask Planning & Zoning for a parcel-specific answer before placement or occupancy210. The North Dakota state-park camping limit applies only to state-park facilities and does not answer private-land RV occupancy in Walsh County21. A tiny home used as a dwelling must fit its district and lot rules; a single-family unit in the Residential District needs at least 10,000 square feet of lot area and 75 feet of width15. Any regulated structure also needs a Certificate of Compliance before occupancy8. A new manufactured home used as a residence must be installed and inspected by state-licensed professionals22.
Building a home in Walsh County: what are the steps?
- Ask the Walsh County Auditor/Treasurer to identify the zoning district and explain the building-permit, fee and inspection process1013.
- Verify the lot and use rules; an Agricultural District non-farm home needs at least 2 acres and conditional-use approval, while a Residential District single-family home needs at least 10,000 square feet and 75 feet of width515.
- Apply to the Walsh County Health District before constructing or altering the onsite sewer system, complete the required site work, and give 48 hours' notice before construction418.
- Determine expected well use; a state water-appropriation permit is required above 12.5 acre-feet, while construction and pump work remain subject to state rules and contractor licensing23.
- Apply to NDDOT if the driveway enters a state highway right-of-way24.
- Complete the approved work and obtain the Certificate of Compliance before occupying the regulated structure8.
What should you check before buying land in Walsh County?
Confirm the zoning district and buildable dimensions first because lot rules vary by district256. A new subdivision must provide sanitary potable water and adequate sewage service to every lot, with the sewage system subject to Planning & Zoning Commission approval25. Test septic feasibility early because only about 25.5% of county soils lack severe limits for a conventional drain field20. Ask Planning & Zoning whether the parcel is in a regulated floodplain: the available county example confirms a permit for one bridge project, but does not establish the rule for home construction2610. Confirm legal road access and obtain NDDOT approval when an approach enters a state highway right-of-way24. A state water-appropriation permit is required only when a private well exceeds 12.5 acre-feet per year23.
Watch-outs
- The farming-operations permit exception does not say that every rural or agricultural-zoned project is exempt; confirm the proposed use with the Auditor/Treasurer110.
- A non-farm home in the Agricultural District is a conditional use, not an automatic right, even when the tract meets the 2-acre minimum5.
- A regulated building cannot be occupied until the Code Administrator issues its Certificate of Compliance8.
Sources
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Application for Permit - Septic, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Zoning Manual (2026 county census)
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Auditor/Treasurer (Planning & Zoning) (walshcountynd.com)
- Building Codes | Commerce | North Dakota (North Dakota statewide rule), quoted and re-checked
- Building Codes (North Dakota statewide rule), quoted and re-checked
- Planning & Zoning Documents, quoted and re-checked
- 2026 North Dakota State Building Code Book (North Dakota statewide rule), quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Application for Permit - Septic, quoted and re-checked
- Walsh County Application for Permit - Septic, quoted and re-checked
- Walsh County Health District & WIC (walshcountynd.com)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Parks and Recreation FAQ (North Dakota statewide rule), quoted and re-checked
- Manufactured Home Installation Program (North Dakota statewide rule), quoted and re-checked
- Private Well Owner’s Guide: Well Installation, quoted and re-checked
- Driveway Application & Permit, SFN 5918, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Structure No. 50-115-04 Floodplain Development Permit Application, quoted and re-checked
Written September 29, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.