Unincorporated Butte County, South Dakota requires a county building permit for construction outside the city limits of Belle Fourche, Newell and Nisland, at $50 per structure1. The county itself says it has no zoning or code enforcement2. Septic is not exempt: a county septic permit is required to install or modify any wastewater system3.
Do you need a building permit in Butte County, South Dakota?
Yes, outside the city limits of Belle Fourche, Newell and Nisland: the county's building permit application is required for property located there.
Yes, outside the city limits of Belle Fourche, Newell and Nisland: the county's building permit application is required for property located there1. The fee is $50 per structure, payment is due when you apply (cash or check only), and work must start within 180 days and finish within 2 years1. The completed application, documentation, plans and fees are due at submission, and the checklist includes a 911 address application, proof of the sewer permit and septic design, a site plan and plans or blueprints2. A new driveway needs an approval letter for the approach, and property in a floodplain also needs a floodplain development permit1. We could not confirm whether the county performs building inspections or issues certificates of occupancy, so ask Butte County Planning7. State electrical and plumbing requirements remain separate from the county permit4,8.
Who issues building permits in Butte County, and how do you reach them?
Butte County Planning is the first stop for building permit and septic permit questions outside city limits.
Butte County Planning is the first stop for building permit and septic permit questions outside city limits7. The office is at 117 5th Ave, Belle Fourche, SD 57717, phone (605) 892-3950, and the county Planning Board meets monthly at the courthouse7. Bring the legal description, a site plan and your septic design, since the application checklist asks for them2. If the parcel is inside Belle Fourche, Newell or Nisland, contact that city for building permits instead, because the county form applies only outside their limits; septic permits still come from the county1,3. We could not locate those cities' own zoning rules.
Does Butte County, South Dakota have zoning?
No. A county source states plainly that Butte County does not have zoning or code enforcement.
No. A county source states plainly that Butte County does not have zoning or code enforcement2. Because of that, the county sets no zoning districts, minimum lot size, minimum dwelling size, setbacks, lot coverage or building height for unincorporated land2. That absence covers county zoning only: the building permit, septic, driveway and floodplain rules above still apply, and the county permit form still asks for project distances from property lines2. South Dakota law lets a county board adopt a zoning ordinance, so confirm with Butte County Planning that nothing has changed before you buy7,9. Inside Belle Fourche, Newell and Nisland, city rules may differ and we could not confirm them.
How do septic permits work in Butte County?
Butte County issues the septic permit, and the permit application names Butte County Planning as the payee.
Butte County issues the septic permit, and the permit application names Butte County Planning as the payee3. A septic permit is required to install or modify any wastewater system in the county3. Obtain a 911 address before installation and use a South Dakota-licensed installer3. A single disposal system on a single parcel of 40 acres or more need not be designed by an engineer, but the rest of the county's Wastewater Disposal Permit Ordinance still applies3. Only about 9.2% of mapped soils lack severe limitations for a conventional drain field, so plan for a site evaluation and possibly an engineered system on smaller parcels10. The building permit checklist asks for proof of the sewer permit, so apply for septic first2.
Can you live in an RV or tiny home on land in Butte County?
Butte County has no county zoning, so no county zoning district restricts an RV or tiny home on unincorporated land.
Butte County has no county zoning, so no county zoning district restricts an RV or tiny home on unincorporated land2. We could not confirm a separate county rule on long-term RV occupancy, temporary camping, tiny homes or accessory dwellings, so ask Butte County Planning about the exact parcel and unit7. Any dwelling still needs lawful wastewater: a county septic permit is required3. Where water or electricity is unavailable, South Dakota allows vault privies, chemical toilets, incinerator toilets or composting units, but all unconventional systems other than vault privies are experimental and need state plan approval before installation5. A permanent structure, including a tiny home on a foundation, falls under the county building permit outside city limits1.
What are the steps to build a home in Butte County?
Confirm whether the parcel is outside the limits of Belle Fourche, Newell and Nisland, then call Butte County Planning with the legal description and intended use.
- Confirm whether the parcel is outside the limits of Belle Fourche, Newell and Nisland, then call Butte County Planning with the legal description and intended use1,7.
- Get a 911 address and apply for the county septic permit with a licensed installer3.
- Submit the building permit application with plans, site plan, proof of the septic permit and the $50 per structure fee1,2.
- If the driveway is new, get the approach approval letter; if it connects to a state highway, get the state access permit before construction1,11.
- If the property is in a floodplain, also obtain a floodplain development permit1.
- Determine whether a state water-right permit is needed; when it is, approval must come before well drilling6.
What should you check before buying land in Butte County?
Confirm the parcel is outside city limits, since the county rules apply only there.
Confirm the parcel is outside city limits, since the county rules apply only there1. Treat septic feasibility as a purchase contingency: only about 9.2% of mapped soils avoid severe drain-field limitations10. Butte County has about 4.8 people per square mile, and the nearest city of 100,000 or more is about 254 miles from the county center10. For frontage on a state highway, South Dakota bars construction of a new or modified access until the permit is issued11. Floodplain parcels need permits, so ask Planning which floodplain administrator covers the parcel1,12. The median property tax bill is about $2,197 per year at an effective rate of about 1.1%10.
Watch-outs
- Butte County says it has no zoning or code enforcement, but the county building permit still applies outside Belle Fourche, Newell and Nisland, so no zoning does not mean no permit1,2.
- A large parcel does not erase septic rules: the 40-acre provision removes the engineer-design requirement for one system on one parcel, while the rest of the wastewater ordinance still applies3.
- A qualifying owner may perform electrical work at an owner-occupied residence or farmstead, but the exemption is from licensure, not from the homeowner permit or inspections4.
Sources
12 official pages, each quoted and re-checked · written October 10, 2026
- Butte County Equalization & Planning Building Permit
- Butte County Equalization & Planning Building Permit
- Septic Permit Application
- South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule)
- Administrative Rule 74:53:01 — Individual and Small On-Site Wastewater Systems (South Dakota statewide rule)
- South Dakota Water Rights — Drilling a Well (South Dakota statewide rule)
- Butte County Planning (buttesd.gov)
- South Dakota Plumbing Commission - Inspections (South Dakota statewide rule)
- 2000 Session Laws Chapter 69 — Planning and zoning statutes revised (South Dakota statewide rule)
- 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
- Instructions: Applying for permission for driveway or intersection on a South Dakota state highway (South Dakota statewide rule)
- National Flood Insurance Program (South Dakota statewide rule)
Written October 10, 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.
Off-grid gear
Going off-grid in Butte 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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