Bolthole Index

Butte County, South Dakota

Building permits, zoning and land rules in Butte County, South Dakota

49Index Score / 100
#29 of 66 in South Dakota

Butte County, South Dakota handles building-permit applications for construction outside city limits, but the available county material does not spell out which projects are exempt.1 Butte County also administers zoning and requires a county permit to install or modify a wastewater-treatment system.23 Start with Butte County Planning before designing or buying for a specific use.4

At a glance

Building permit
Issued by Butte County for construction outside city limits; confirm whether your project requires one1
Zoning
Administered by Butte County Planning; confirm the parcel's district and standards2
Septic
County permit required for installation or modification3
RV living
County occupancy rule not confirmed; ask Planning before relying on an RV as a dwelling2
Tiny home
No specific county standard confirmed; ask Planning about zoning and permits12
Owner electrical work
Allowed for a qualifying owner-occupied residence or farmstead with a homeowner permit and inspections5
Off-grid sanitation
Certain alternatives are allowed when water or electricity is unavailable, with state approval required for experimental systems6
Private well
A state water-right permit may be required and, when required, must be approved before drilling7

Who to call

Planning & zoning

Butte County Planning

Building-permit, zoning and county septic questions for land outside city limits

(605) 892-3950

117 5th Ave, Belle Fourche, SD 57717

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

Do you need a building permit in Butte County, South Dakota?

Butte County Equalization and Planning takes applications and issues building permits for construction outside city limits.1 The county material available for this guide does not define the project types that trigger a permit, list exemptions, identify an adopted code edition, or publish a building-inspection schedule. Before ordering a building, grading a site or hiring trades, describe the exact project and parcel to Butte County Planning and ask whether a building permit, zoning approval or other review applies. The Planning office is at 117 5th Ave in Belle Fourche and publishes its phone as (605) 892-3950.4 State electrical and plumbing requirements remain separate from the county permit process.89

Who handles Butte County building permits, and how do you reach them?

Butte County Planning is the practical first stop for building-permit and land-use questions outside city limits.1 The office is at 117 5th Ave, Belle Fourche, SD 57717, and its published phone number is (605) 892-3950.4 Bring the parcel identification or legal description, proposed use, building type, site-plan concept and details about water and wastewater so staff can identify the applications that fit the project. Ask directly about fees, submittal documents, review timing, inspections and occupancy approval because those details were not confirmed in the available county material. If the parcel lies inside an incorporated city, contact that city as well; the county building-permit information available here applies specifically to construction outside city limits.1

Does Butte County, South Dakota have zoning?

Butte County Planning administers county zoning ordinances and makes permit recommendations to the County Commission.2 South Dakota law allows counties to regulate building size, yards, open space, density, and the location and use of land and structures, but that enabling law does not establish the standards for a particular Butte County parcel.10 The available county material did not confirm the operative zoning districts, setbacks, minimum lot size, minimum dwelling size, height limits or lot coverage. Ask Planning for the parcel's zoning designation and the current text and map that control it before treating rural land as unrestricted. Incorporated municipalities may have their own processes; confirm the governing jurisdiction for the parcel rather than applying an unincorporated-county answer inside a city.

How do septic permits work in Butte County?

A Butte County septic permit is required to install or modify any wastewater-treatment system in the county.3 Obtain a 911 address before installation, use a South Dakota-licensed installer, and comply with the state wastewater chapter.3 A single disposal system on one parcel of 40 acres or more does not need an engineer's design, but the rest of the county wastewater ordinance still applies.3 Site conditions deserve early attention: only about 9.2% of mapped soils lack severe limitations for a conventional septic drain field.11 That soil statistic does not decide whether a particular site will pass, so discuss the site evaluation and system design with Butte County Planning before fixing a house location or purchase budget. The county permit application identifies Butte County Planning as the payee.12

Can you live in an RV or tiny home on land in Butte County?

Butte County's available material does not confirm a rule for living in an RV, temporary camping, or a special tiny-home occupancy standard. Because Butte County administers zoning and building permits outside city limits, ask Planning whether the proposed use is allowed in the parcel's district and whether a building, placement or other approval is required.21 Do not assume that wheels, small floor area or an agricultural parcel avoids land-use review. For sanitation where water or electricity is unavailable, South Dakota allows vault privies, chemical toilets, incinerator toilets or composting units, but alternatives other than vault privies are treated as experimental and require state approval of plans before installation.6 That sanitation rule does not itself authorize RV or tiny-home occupancy.

Building a home in Butte County: what are the steps?

  1. Confirm whether the parcel is outside city limits, then call Butte County Planning with the legal description and intended use.1
  1. Ask Planning to identify the parcel's zoning, applicable dimensional standards and every required county application before finalizing a site plan.2
  1. Plan wastewater early: obtain a 911 address, select a state-licensed septic installer and secure the county septic permit before installation.3
  1. Determine whether a state water-right permit is required; when it is required, approval must come before well drilling.7
  1. Arrange state electrical and plumbing permits and inspections. Electrical rough-in must be inspected before covering and the final inspection comes before occupancy.8 Plumbing installations outside cities with their own program require a state inspection certificate.9
  1. If access connects to a state highway, obtain the state access permit before construction begins.13

What should you check before buying land in Butte County?

Verify jurisdiction, zoning, legal access, water, wastewater feasibility and flood exposure during due diligence. Butte County has about 4.8 people per square mile, a useful sign that many parcels are genuinely rural, while the nearest city of 100,000 or more is about 254 miles from the county center.1415 Conventional septic feasibility is a sharper parcel-level risk: only about 9.2% of mapped soils avoid severe drain-field limitations.11 For a state-highway frontage parcel, South Dakota requires permission for a new or modified access and bars construction until the permit is issued.13 Development in a floodplain requires permits in participating communities, but incorporated and unincorporated areas are administered separately, so ask Planning which floodplain administrator covers the parcel.16

Watch-outs

  • Butte County's published material does not confirm which construction projects are exempt from a building permit; ask Planning before work begins.1
  • 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 applies.3
  • 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 inspections.5

Sources

  1. Butte County Planning (2026 county census)
  2. Butte County Planning (2026 county census)
  3. Septic Permit Application, quoted and re-checked
  4. Butte County Planning (buttesd.gov)
  5. South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule), quoted and re-checked
  6. Administrative Rule 74:53:01 — Individual and Small On-Site Wastewater Systems (South Dakota statewide rule), quoted and re-checked
  7. South Dakota Water Rights — Drilling a Well (South Dakota statewide rule), quoted and re-checked
  8. South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule), quoted and re-checked
  9. South Dakota Plumbing Commission - Inspections (South Dakota statewide rule), quoted and re-checked
  10. 2000 Session Laws Chapter 69 — Planning and zoning statutes revised (South Dakota statewide rule), quoted and re-checked
  11. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  12. Septic Permit Application, quoted and re-checked
  13. Instructions: Applying for permission for driveway or intersection on a South Dakota state highway (South Dakota statewide rule), quoted and re-checked
  14. Population density: Bolthole Index county data
  15. Distance to the nearest metro area: Bolthole Index county data
  16. National Flood Insurance Program (South Dakota statewide rule), quoted and re-checked

Written September 28, 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.

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County locator

Butte County in South Dakota

49
County map
Butte County highlighted among the South Dakota counties · colored by Index score

How Butte County scores

Seclusion89100% ev.
Self-Sufficiency19100% ev.
Admin Boringness51100% ev.
Durability44100% ev.
Property Autonomy67100% ev.
Carry Cost75100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$368kTypical home
1.1%Property tax
$1,359Land / acre
16.5"Annual rain
18.2% of yrsSevere drought
12.3 / yr (+9.9)Mid-century 100°F days
20.9 daysMid-century dry spell
1.08" (+4.2%)Mid-century 1-day rain
1.3×Wildfire change factor
100%Forward climate coverage
$2,016Home insurance / yr
5.9% / yrInsurance growth
1.83%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
16,519People within 2 hr
198Radius comparison (15 mi)
4.8People / sq mi
11.1%Federal land
77.8%Land at 15% slope or less
9.2%Septic soil without severe limits
130,203 acWorkable land screen
0.8%Wooded land
13.9 tonsBiomass / forest ac
45.9°FAvg temp

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Answers from the rulebook for Butte County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Butte County rules

  • Who permits septicCounty (with conditions)

    Wastewater-treatment systems requiring permits in Butte County.

    • The county permit application also requires compliance with SDCL Chapter 34A and installation by a state-licensed installer.
    “Make checks payable to Butte County Planning.”
  • Septic permitRequired

    Installation or modification of any wastewater treatment system in Butte County.

    • A single wastewater disposal system on a single parcel of 40 or more acres need not be designed by an engineer; all other rules of Wastewater Disposal Permit Ordinance 2007-1 still apply.
    • A 911 address must be obtained before installation.
    • Systems must be installed by a state-licensed installer.
    “A septic system permit shall be required”
  • Building permitRequired

    Butte County Equalization and Planning takes applications for and issues building permits for construction outside city limits.

    Butte County Planning ↗Scouted from the county site, not yet independently re-checked

  • County-wide zoningPresent

    The Planning department administers the County zoning ordinances and makes recommendations to the County Commission on permits.

    Butte County Planning ↗Scouted from the county site, not yet independently re-checked

South Dakota rules that apply here

  • Owner-builder exemptionAvailable (with conditions)

    An individual owner personally installing electrical wiring and fixtures in a residence or farmstead owned and resided in by that individual.

    • The exemption is from electrical licensure requirements, not from permitting or inspection.
    • An approved homeowner permit must be obtained before electrical work begins.
    • The exemption does not apply to commercial or rental property.
    • Mobile-home and modular-home installations are allowed only when the unit is on an owner-occupied lot at the time of installation; otherwise a licensed South Dakota electrical contractor is required.
    • A final inspection is required before occupancy.
    “an "owner's exemption" as an exemption from licensure requirements”
  • InspectionsRequired

    Plumbing installations in South Dakota outside cities that administer their own plumbing inspection requirements.

    • The exception is for cities with their own inspection requirements.
    • Inspection requests generally require at least 72 hours advance notice, excluding weekends and holidays.
    • Inspections occur after a plumbing installation certificate is secured.

    installation certificate fee: 20 USD · single-family inspection fee: 110 USD · small-structure inspection fee: 100 USD (Five or fewer fixtures.) · large-structure inspection fee: 275 USD (Six or more fixtures.)

    “You must have a plumbing inspection certificate for all plumbing installations.”
    One more reviewed finding on this topic
  • Off-grid sanitationAllowed (with conditions)

    Unconventional off-grid sanitation systems where a water or electrical system is unavailable statewide.

    • Vault privies, chemical toilets, incinerator toilets, or composting units must be used when a water or electrical system is unavailable.
    • Except for vault privies, all unconventional systems are experimental systems and require plans and specifications submitted to the secretary for approval before installation.
    “all unconventional systems are considered experimental systems”
  • Well permitLimited

    Water-well drilling and proposed water uses statewide in South Dakota.

    • A water-right permit is required only for proposed water uses that fall within the permitting requirements; the official page directs applicants to the Using Water in SD page to determine whether a permit is needed.
    • When a water-right permit is required, state law requires approval before well drilling.
    • The chief engineer may permit construction of a test well before obtaining the water-right permit; the test well may serve as the production well if the application is approved.
    • A water-right permit, when required and approved, provides five years to construct the water-use system and an additional four years to place all water to beneficial use.
    • A well driller's license is required before drilling any well or contracting to drill a well.

    construction period after water-right permit approval: 5 years · period to place water to beneficial use: 4 years

    “If a water right permit is needed, state law requires the permit to be approved prior to doing any well drilling.”
  • Agricultural exemptionAvailable (with conditions)

    Farmsteads and accessory structures or buildings thereto under South Dakota's default construction-design standard when the local unit of government has not adopted an ordinance prescribing standards under SDCL 11-10-5.

    • The default standard applies to building work commenced after July 1, 2026.
    • The local unit of government may adopt an ordinance allowing local administration and enforcement of the design standard.
    • The exclusion is from SDCL 11-10-6's default 2024 International Building Code design standard; it does not establish that all local zoning, building, occupancy, or other requirements are waived.
    • The statute defines farmstead as a farm or ranch, including any structure or building located on the land.
    • Residential structures and mobile or manufactured homes are also excluded from this specific default-standard provision.

    construction commencement date: > 2026-07-01 (The provision applies to buildings commenced after July 1, 2026.) · building standard: 2024 International Building Code (The default standard does not apply to a farmstead or accessory structure or building thereto.)

    “farmstead and any accessory structure or building thereto.”
  • Driveway accessLimited

    New or modified driveways and intersections connecting to South Dakota state highways.

    • Permission from the South Dakota Department of Transportation is required for access to a state highway.
    • The application may require an access approach design, vicinity map, estimated traffic volumes, three copies of a site plan, traffic-control plan, liability insurance, development plan, drainage plan, traffic-impact study, and revegetation plan.
    • Construction cannot begin until the access permit is issued.
    • The permittee pays construction, maintenance, and removal costs.
    • The permit expires if access is not under construction within one year, subject to one written one-year extension.
    • Access construction must be completed within 45 days after initiation within the highway right-of-way.

    application review update threshold: 30 days (If the application is not completed within 30 days, a Department employee will contact the applicant with an update.) · construction completion period: 45 days (Measured from initiation of construction within the highway right-of-way.)

    “Construction of the access shall not proceed until the access permit is issued. The access shall be completed in an expeditious and safe manner and shall be finished within 45 days from the initiation of construction within the highway right-of-way.”
  • Building in a floodplainRequired

    Development in floodplains within South Dakota communities participating in the National Flood Insurance Program, including incorporated and unincorporated areas administered separately by local governments.

    • Participating communities must adopt and enforce a flood-damage-prevention ordinance.
    • Permits are required for all types of development in the floodplain.
    • New or substantially improved homes and manufactured homes must be elevated above the Base Flood Elevation.
    • Non-residential buildings must be elevated or flood-proofed.
    • Elevation Certificates are required to document compliance.
    • NFIP participation and eligibility are established separately for incorporated and unincorporated areas; the source does not establish a single uniform permit process for every South Dakota location.
    “Require permits for all types of development in the floodplain.”
  • Permit feesPublished (with conditions)

    South Dakota state electrical wiring permits, including residential and farmstead wiring subject to state administration.

    • A wiring permit is required for electrical service entrances over 60 amperes, owner-exemption wiring, and other installations with an estimated inspection fee of at least $30.
    • Local inspection systems may have their own procedures, inspection fees, and regulations.
    • Inspection fees are separate from the $20 wiring-permit fee.

    wiring permit fee: 20 USD · permit validity: 3 years (A new permit is required if the installation extends beyond three years.) · late permit administrative fee: 250 USD (Applies when the permit is not dated at job start or is not renewed before expiration.)

    “A wiring permit may be obtained for twenty dollars from the commission office. A wiring permit is valid for three years from the date the permit is issued.”
  • Permit processPublished (with conditions)

    South Dakota state electrical wiring permits and inspections.

    • The installer must send the white permit copy to the Commission within 15 calendar days after starting the installation.
    • The permit hard copy must be posted at the job site when electrical work starts.
    • At least 72 hours' notice is required before inspection.
    • A rough-in inspection must occur before wiring is covered, and a final inspection is required before occupancy.
    • Homeowner permits are limited to qualifying owner-occupied residences or farmsteads and cannot be used for commercial or rental property.

    white permit copy submission deadline: 15 calendar days after starting installation · inspection notice: >= 72 hours

    “Within fifteen calendar days after starting an electrical installation, the installer shall send the white copy to the office of the commission.”
  • county zoning authorityGeneral

    South Dakota county boards' authority to adopt zoning ordinances, including for unincorporated county land.

    • The authority is granted for promoting the health, safety, or general welfare of the county.
    • The statute authorizes regulation of building and land-use characteristics including height, number of stories, building and structure size, lot coverage, yards, courts, open spaces, population density, and locations and uses of buildings, structures, and land.
    • The authorized purposes expressly include trade, industry, residence, flood plain, and other purposes.
    • This claim identifies statewide enabling authority; whether a particular county has adopted an ordinance is a separate local question.
    “For the purpose of promoting health, safety, or the general welfare of the county the board may adopt a zoning ordinance to regulate and restrict the height, number of stories, and size of buildings and other structures, the percentage of lot that may be occupied, the size of the yards, courts, and other open spaces, the density of population, and the location and use of buildings, structures, and land for trade, industry, residence, flood plain, or other purposes.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Building code adopted — Building-code adoption for construction in Butte County.
  • Certificate of occupancy — Certificates of occupancy for buildings in Butte County.
  • Local zoning — Local zoning across Butte County municipalities, townships, and unincorporated areas.
  • Zoning districts — Published zoning districts in Butte County.
  • Minimum dwelling size — Minimum dwelling size in Butte County.
12 more unanswered
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Mandatory utility hookup
  • Subdividing land
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Butte County, South Dakota

Is Butte County a good place to live off-grid or homestead?

Butte County scores 49/100 on the Bolthole Index, a solid county profile. Its strengths: deep seclusion — about 198 people within 15 miles and manageable long-term carry cost. Watch-outs: thin water margin (16.5″/yr rainfall).

Do you need a building permit in Butte County, South Dakota?

Butte County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Butte County Equalization and Planning. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Butte County, South Dakota?

Land in Butte County runs about $1,359 per acre, based on the latest county data.

What is the water situation in Butte County?

Butte County gets about 16.5" of rain a year, with severe drought in roughly 18.2% of years.

How remote is Butte County?

A typical private-land location has about 198 people within 15 miles and 212,876 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

Off-grid gear

Going off-grid in Butte County means bringing your own water and power. The kit we’d start with:

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How Butte compares in South Dakota

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