Bolthole Index

Aurora County, South Dakota

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

44Index Score / 100
#55 of 66 in South Dakota

Aurora County, South Dakota handles building permits and zoning through its Department of Equalization, but the county's published listing does not say which projects require a permit.1 Call that office before adding to a building or starting a new one.2 South Dakota administers minimum requirements for on-site wastewater systems.3

At a glance

Building permit
The requirement by project type is not confirmed; call the Department of Equalization1
Zoning
The county office handles zoning questions; adoption and parcel rules are not confirmed2
Septic
South Dakota minimum standards apply; local governments may be stricter3
RV living
Not confirmed; ask the Department of Equalization before occupancy2
Tiny home
Not confirmed; ask how the proposed unit and use are classified2
Owner electrical work
Available for a qualifying owner-occupied residence or farmstead, with a permit and inspections4
Private well
Some water uses need state approval before drilling5

Who to call

Planning & zoning

Aurora County Department of Equalization

Aurora County building permits, zoning questions and property assessments

605-942-7164

[email protected]

401 N. Main Street, Aurora County Courthouse, Plankinton, SD 57368

Septic permits

South Dakota Department of Agriculture and Natural Resources

State on-site wastewater installation standards and installation-plan questions

(605) 773-4647

523 E Capitol Ave, Pierre, SD 57501-3182

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

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

Aurora County's public listing confirms that the Department of Equalization provides building permits, but it does not specify which construction, additions or alterations require one.1 The practical answer is to call before starting: the county listing specifically directs people with questions about adding to a building or constructing a new building to contact the office.2

A county building-code adoption, inspection schedule, certificate-of-occupancy rule, exemption list and fee schedule could not be confirmed. Ask the Department of Equalization to identify the permit, current fee, required site plan or drawings, review time and inspections for the exact parcel and scope.2 Separate state trade requirements can still apply: plumbing installations outside cities that administer their own program require a state plumbing inspection certificate.6 State-regulated electrical work also requires rough-in inspection before concealment and final inspection before occupancy.7

Who handles Aurora County building permits and zoning?

The Aurora County Department of Equalization is the published contact for building permits and zoning questions.2 The office is at 401 N. Main Street, Aurora County Courthouse, Plankinton, SD 57368; call 605-942-7164 or email [email protected].2 The published application process is to call for information, and no online permit portal is listed.2

Start the call with the parcel location and a precise description of the proposed structure, addition or change in use. Ask whether the parcel is governed by county rules or an incorporated municipality, which application applies, what plans are required, and whether zoning approval must come before a building permit. The listing establishes that the office handles these subjects, but it does not publish application steps, review timing or fees.1 For wastewater questions, South Dakota DANR publishes statewide installation requirements and a contact for installation-plan questions.8

Does Aurora County have zoning?

Aurora County's Department of Equalization handles zoning matters, but an official zoning-adoption statement, ordinance, map or district schedule could not be confirmed.2 South Dakota law allows a county board to adopt zoning for matters such as building size, yards, density, land use and floodplains, but that enabling authority does not prove which rules Aurora County adopted.9

Ask the Department of Equalization for the current zoning status of the specific parcel and for any applicable map, district rules, setbacks, minimum lot size, building-height limit or subdivision review.2 Do not assume that an unincorporated parcel is unrestricted merely because an ordinance is not readily available online. Rules inside an incorporated municipality may also differ from county rules, so confirm jurisdiction using the property's legal description rather than its mailing address. The county office's published service area is Aurora County, South Dakota.2

How do septic permits work in Aurora County?

South Dakota DANR administers statewide minimum requirements for individual and small on-site wastewater systems, and local governments may impose stricter requirements.3 DANR should be contacted before installing a new system except a conventional on-site system serving an individual residence; other systems receiving human waste require plans and specifications submitted to DANR.10 DANR publishes its installation requirements and a phone contact for installation-plan questions.8

Wastewater feasibility deserves attention before purchase because only about 5.2% of Aurora County soils are rated without severe limitations for a conventional septic drain field.11 That countywide measure does not decide whether a particular homesite will work, so obtain a site-specific evaluation before fixing the house location or system budget. A general Aurora County septic-inspection requirement could not be confirmed; ask DANR and the Department of Equalization whether local approval or inspection supplements the state process.82

Can you live in an RV or tiny home in Aurora County?

A county rule expressly allowing or prohibiting long-term RV occupancy, temporary camping or tiny-home occupancy in Aurora County could not be confirmed. Ask the Department of Equalization how the parcel's jurisdiction and any zoning rules classify the proposed unit and residential use before moving it onto the land.2 The same call should cover minimum dwelling size, setbacks, manufactured homes, accessory dwellings and whether a building permit or zoning approval is required.2

Sanitation is a separate question from land use. South Dakota allows a vault privy, chemical toilet, incinerator toilet or composting unit where water or electrical service is unavailable, but every listed unconventional option except a vault privy is treated as experimental and needs state approval of plans and specifications before installation.12 That state sanitation pathway does not establish permission to occupy an RV or tiny home on a particular Aurora County parcel.12

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

  1. Call the Aurora County Department of Equalization to confirm jurisdiction, zoning status and whether the proposed house needs a county building permit.2
  2. Ask the office for the current application, drawing requirements, fees, inspections and approval sequence because the published process provides only a call-for-information instruction.1
  3. Have the homesite evaluated for wastewater feasibility and confirm the review path with South Dakota DANR before installation.3
  4. Determine whether the proposed water use needs a state water-right permit before drilling a well.5
  5. Obtain the required state plumbing certificate and inspections unless a city administers its own plumbing-inspection program.6
  6. Arrange electrical permitting and inspections; a qualifying resident owner may do personal wiring under the owner exemption, but still needs a homeowner permit and inspections.4
  7. Obtain South Dakota DOT permission before constructing access to a state highway.13

What should you check before buying land in Aurora County?

Confirm jurisdiction, zoning status, the building-permit path, legal access and wastewater feasibility before making the purchase unconditional. Aurora County's office handles permit and zoning questions, but its public listing does not supply the parcel-level rules or full application process.1 Only about 5.2% of county soils are rated without severe limitations for a conventional septic drain field, making a site evaluation especially valuable.11

Ask DANR whether the planned well use needs a water-right permit before drilling; domestic use within the state thresholds can be exempt, while larger or listed uses require a permit.14 If the driveway meets a state highway, state permission is required before access construction begins.13 Check whether the homesite lies in a regulated floodplain because participating South Dakota communities require permits for floodplain development, although Aurora County's administrator and local procedure could not be confirmed.15 Aurora County's effective property-tax rate is about 1.1%, with a median annual bill of about $1,393.1617

Watch-outs

  • Aurora County's office issues building permits, but the available county listing does not say which projects require one; call before construction or an addition.1
  • Only about 5.2% of Aurora County soils are rated without severe limits for a conventional septic drain field.11
  • A qualifying owner may perform electrical work on an owner-occupied residence or farmstead, but the exemption is from licensure rather than the homeowner permit and inspection requirements.4
  • County rules for RV occupancy, tiny homes, minimum dwelling size, setbacks and floodplain administration could not be confirmed; ask the Department of Equalization before purchase or site work.2

Sources

  1. Department of Equalization | Aurora County, quoted and re-checked
  2. Aurora County Department of Equalization (dakotaathome.sd.gov)
  3. On-Site Wastewater Systems in South Dakota (South Dakota statewide rule), quoted and re-checked
  4. South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule), quoted and re-checked
  5. South Dakota Water Rights — Drilling a Well (South Dakota statewide rule), quoted and re-checked
  6. South Dakota Plumbing Commission - Inspections (South Dakota statewide rule), quoted and re-checked
  7. South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule), quoted and re-checked
  8. South Dakota Department of Agriculture and Natural Resources (danr.sd.gov)
  9. 2000 Session Laws Chapter 69 — Planning and zoning statutes revised (South Dakota statewide rule), quoted and re-checked
  10. One-Stop Permitting and Regulation Guide (2025 Edition), quoted and re-checked
  11. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  12. Administrative Rule 74:53:01 — Individual and Small On-Site Wastewater Systems (South Dakota statewide rule), 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. South Dakota Dictionary of Water Right Laws and Rules Summary, quoted and re-checked
  15. National Flood Insurance Program (South Dakota statewide rule), quoted and re-checked
  16. Effective property tax rate: Bolthole Index county data
  17. Median property tax bill: Bolthole Index county data

Written September 27, 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

Aurora County in South Dakota

44
County map
Aurora County highlighted among the South Dakota counties · colored by Index score

How Aurora County scores

Seclusion86100% ev.
Self-Sufficiency1692% ev.
Admin Boringness6445% ev.
Durability34100% ev.
Property Autonomy67100% ev.
Carry Cost82100% ev.

Evidence strength: 89%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$129kTypical home
1.1%Property tax
$3,731Land / acre
24.4"Annual rain
15.3% of yrsSevere drought
13.8 / yr (+10.5)Mid-century 100°F days
22.9 daysMid-century dry spell
1.42" (+5.3%)Mid-century 1-day rain
1.53×Wildfire change factor
100%Forward climate coverage
$1,628Home insurance / yr
5.2% / yrInsurance growth
1.75%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
545People within 30 min
289,288People within 2 hr
3,279Radius comparison (15 mi)
3.9People / sq mi
27.3%Federal land
99.7%Land at 15% slope or less
5.2%Septic soil without severe limits
23,247 acWorkable land screen
0.4%Wooded land
46.9°FAvg temp

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Answers from the rulebook for Aurora County

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

Aurora County rules

  • Permit processPartial

    County building-permit and zoning inquiries handled by the Aurora County Department of Equalization.

    • The published process directs applicants to call the county office for information; no online application steps, review timeline, or fee schedule were stated.
    “This office provides assessments, building permits, and anything to do with zoning. Please call the office with any questions”

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
  • Who permits septicState

    Individual and small on-site wastewater systems statewide in South Dakota.

    • The South Dakota Department of Agriculture and Natural Resources secretary or authorized representative administers the state on-site wastewater requirements.
    • The state rules are minimum requirements; local governments may impose more stringent requirements, according to the DANR permitting guide.
    “The authority for regulating on-site wastewater systems is found in SDCL Chapter 34A-2.”
    One more reviewed finding on this topic
    • State (with conditions) — On-site wastewater systems serving property in Aurora County.
      “South Dakota's regulations for on-site wastewater systems are found in the Administrative Rules of South Dakota, Chapter 74:53:01 at this link.”
  • Septic permitLimited

    New or modified on-site wastewater systems in Aurora County under South Dakota requirements.

    • DANR should be contacted before installation of any new on-site system except a conventional on-site system serving an individual residence.
    • Plans and specifications must be submitted to DANR for installations receiving human excreta other than a conventional individual onsite system.
    • For works of sanitary significance, plans and specifications must be submitted at least 30 days before planned construction.
    • Local governments may impose more stringent requirements.

    advance submission for works of sanitary significance: >= 30 days (The source separately excepts conventional individual onsite systems from the DANR pre-installation contact instruction.)

    “You should contact DANR prior to the installation of any new on-site system except those conventional on-site systems serving an individual residence.”
  • 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.”
    One more reviewed finding on this topic
  • 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.”
  • 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 permit — Building permits for construction in Aurora County.
  • Building code adopted — Building-code adoption in Aurora County.
  • Certificate of occupancy — Certificates of occupancy in Aurora County.
  • County-wide zoning — Countywide zoning authority in Aurora County, including unincorporated areas.
  • Local zoning — Aggregate local zoning across Aurora County and its incorporated municipalities.
15 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • 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 Aurora County, South Dakota

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

Aurora County scores 44/100 on the Bolthole Index, a marginal county profile. Its strengths: deep seclusion — about 545 people within a 30-minute drive and manageable long-term carry cost. Watch-outs: thin water margin (24.4″/yr rainfall) and elevated current hazard exposure.

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

Building-permit rules for unincorporated Aurora County are not published on an official source. Onsite septic is permitted by South Dakota Department of Agriculture and Natural Resources (DANR). 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 Aurora County, South Dakota?

Land in Aurora County runs about $3,731 per acre, based on the latest county data.

What is the water situation in Aurora County?

Aurora County gets about 24.4" of rain a year, with severe drought in roughly 15.3% of years.

How remote is Aurora County?

A representative private-land location has about 545 people within a 30-minute drive and 289,288 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

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

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How Aurora compares in South Dakota

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