Walsh County, North Dakota requires a building permit for every house, including a farm residence; other farm-exempt buildings do not need one1. County zoning applies outside municipalities and townships that have accepted zoning authority2. The Walsh County Health District must approve construction or alteration of an onsite sewer system3.
At a glance
- Building permit
- Required for every house, including a farm residence; other farm-exempt buildings are exempt1
- Zoning
- Yes, except where a municipality or township has accepted zoning authority2
- Septic permit
- Walsh County Health District approval is required before construction or alteration3
- Agricultural lot
- A non-farm single-family dwelling needs at least 2 acres and conditional-use approval4
- Residential lot
- Single-family: 10,000 square feet and 75 feet wide; multifamily: 10,500 square feet per unit and 100 feet wide5
- RV or tiny home
- Private-land occupancy rules could not be confirmed; ask Planning & Zoning6
- Occupancy
- A Certificate of Compliance is required before a regulated structure is occupied7
- Off-grid sanitation
- Privies and cesspools need Planning & Zoning Commission approval8
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 October 7, 2026.
Off-grid gear
Going off-grid in Walsh County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in Walsh County, North Dakota?
Walsh County requires a building permit for every house, including a farm residence, and for other structures except lawn sheds1. Other farm-exempt buildings do not need a building permit, but that exception is not a general owner-builder exemption1. Starting construction without the required building permit triggers a penalty equal to twice the permit cost1. Before a regulated building or structure may be occupied, the Code Administrator must issue a Certificate of Compliance confirming conformity with the development-permit specifications7. North Dakota's current State Building Code applies when a city, county or township elects to adopt and enforce building codes, but the available material does not establish that Walsh County has made that election9.
Who handles Walsh County building permits and zoning?
The Walsh County Auditor/Treasurer is the starting point for county building permits and Planning & Zoning documents10. The office is at 600 Cooper Ave, Grafton, ND 58237; call (701) 352-2851 or email cpotts@nd.gov10. Walsh County publishes a variance application, zoning manual, building-permit form and building-permit fee schedule11. The published fees are $50 for construction valued through $25,000, $100 for $25,001 through $150,000, and $200 above that amount12. The complete filing, review and inspection sequence could not be confirmed, so ask the office to identify the parcel's zoning authority and district and explain the current process112.
Does Walsh County, North Dakota have zoning?
Walsh County has Agricultural, Residential, Restricted Development, Industrial, Mobile Home Residential and Commercial zoning districts13. County zoning applies only outside areas where municipalities or townships have accepted zoning authority2. In the Agricultural District, a non-farm single-family dwelling is a conditional use on at least 2 acres and requires a public hearing4. In the Residential District, a single-family unit needs at least 10,000 square feet and 75 feet of width; a multifamily unit needs at least 10,500 square feet per unit and 100 feet of width5. Residential District setbacks are 100 feet from the center of a county or township road, 20 feet at the rear and 8 feet on each side, with a different front-yard rule for existing developed areas14. We could not confirm a minimum dwelling floor area; ask Planning & Zoning about a proposed small home10.
How do septic permits work in Walsh County?
The Walsh County Health District issues the local onsite-sewer permit, while North Dakota licenses installers15. Construction or alteration requires Health District approval; the application lists a $250 non-refundable onsite sewer permit fee and a $20 tank permit fee, and the permit remains valid for one year3. Contact the Walsh County Health District & WIC at 638 Cooper Ave. Suite 3 or 701-352-513916. The applicant must give the department 48 hours' notice before construction, and the completed system must be inspected before its final soil cover is placed317. 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 contingency18. Privies and cesspools need Planning & Zoning Commission approval8.
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 first identify whether county, municipal or township zoning controls the parcel2. The North Dakota state-park camping limit applies only to state-park facilities and does not answer private-land RV occupancy in Walsh County19. A tiny home used as a dwelling must fit its controlling district and lot rules; a single-family unit in the county Residential District needs at least 10,000 square feet of lot area and 75 feet of width5. Any structure regulated by the county zoning rules also needs a Certificate of Compliance before occupancy7. Privies and cesspools require Planning & Zoning Commission approval, while an onsite sewer system requires Health District approval83.
Building a home in Walsh County: what are the steps?
- Ask the Walsh County Auditor/Treasurer whether county, municipal or township zoning controls the parcel, then confirm the district and application process10211.
- Verify the lot, use and setback 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 width45.
- Obtain the building permit before starting any house, including a farm residence1.
- Apply to the Walsh County Health District before constructing or altering the onsite sewer system, then arrange the required inspection before covering it317.
- For a subdivided lot, confirm public-street access; the county governing body must accept the access street before a building permit may issue20.
- Obtain an NDDOT driveway permit for an approach in state-highway right of way21.
- Obtain the Certificate of Compliance before occupying a structure regulated by county zoning7.
What should you check before buying land in Walsh County?
Confirm the controlling zoning authority, district and buildable dimensions first because county zoning does not apply where a municipality or township has accepted zoning authority2. For a new subdivision, each lot must receive sanitary potable water and adequate sewage facilities approved by Planning & Zoning22. Test septic feasibility early because only about 25.5% of county soils lack severe limits for a conventional drain field18. The rule for ordinary home construction in a flood hazard area could not be confirmed, so ask Planning & Zoning about the parcel10. Confirm legal road access and obtain an NDDOT permit when an approach enters a state-highway right of way21. Roads and approaches built after July 1, 1973 that intersect county or township roads generally need a graded inslope of at least 3:1, subject to statutory exceptions23.
Watch-outs
- Walsh County zoning does not control areas where municipalities or townships have accepted zoning authority; identify the correct authority before relying on county district rules2.
- A non-farm home in the Agricultural District is a conditional use, not an automatic right, even when the tract meets the 2-acre minimum4.
- Do not cover a completed onsite sewage system until the required final inspection is arranged17.
Sources
- Resolution to Amend Building Permit Fees, quoted and re-checked
- Walsh County Comprehensive Plan and Zoning Regulations, quoted and re-checked
- Walsh County Application for Permit - Septic, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Comprehensive Plan and Zoning Regulations, quoted and re-checked
- Walsh County Zoning Manual (2026 county census)
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Land Development Code—Zoning and Subdivision Regulations, quoted and re-checked
- Building Codes, quoted and re-checked
- Walsh County Auditor/Treasurer (Planning & Zoning) (walshcountynd.com)
- Planning & Zoning Documents, quoted and re-checked
- Planning & Zoning Documents, quoted and re-checked
- Walsh County Zoning Manual, quoted and re-checked
- Walsh County Land Development Code-Zoning and Subdivision Regulations, quoted and re-checked
- On-Site Wastewater Treatment Systems, quoted and re-checked
- Walsh County Health District & WIC (walshcountynd.com)
- Walsh County Application for Permit - Septic, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Parks and Recreation FAQ (North Dakota statewide rule), quoted and re-checked
- Walsh County Land Development Code—Zoning and Subdivision Regulations, quoted and re-checked
- SFN 5918 Driveway Application & Permit, quoted and re-checked
- Walsh County Land Development Code—Zoning and Subdivision Regulations, quoted and re-checked
- North Dakota Century Code Chapter 24-05, County Roads, quoted and re-checked
Written October 7, 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.