Bolthole Index

Davison County, South Dakota

Zoning, building permits and septic rules in Mitchell, South Dakota

The City of Mitchell, South Dakota sets its own zoning inside city limits and in a one-mile belt outside them, and its Building Inspection office says building permits are required12. Septic is a separate track: where no city sewer is available, a private system needs a written city permit3. Davison County's planning office handles zoning only outside Mitchell4.

At a glance

Building permit
Required; issued by the City of Mitchell Building Inspection office1
Zoning
City zoning inside Mitchell and in the one-mile extraterritorial area24
Septic
City permit and inspection where no public sewer is available35
Public sewer
Connection required if a city sewer is within 200 feet and reasonably accessible6
Private septic lot size
At least one-half acre with public water; at least one acre with a private well or near Lake Mitchell7
Wells
Not confirmed inside city limits; state water-right rules apply where a permit is required8

Who to call

Building permits

City of Mitchell Building Inspection

Building permits and plan review inside Mitchell city limits

605-995-8433

612 N Main Mitchell SD 57301

Planning & zoning

City of Mitchell Planning & Zoning Department

Zoning, development and subdivision of property inside Mitchell and its extraterritorial area

605-995-8433

612 N Main Mitchell SD 57301

Septic permits

South Dakota DANR Livestock Services Program

State on-site wastewater installation requirements and septic plan submittals

(605) 773-4647

[email protected]

523 E Capitol Ave, Pierre, SD 57501-3182

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

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

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Does Mitchell, SD have zoning, and what does it mean for your lot?

Yes. The City of Mitchell applies its zoning title to all real property inside city limits and to the area of extraterritorial jurisdiction2. Davison County's own planning page confirms that zoning questions inside Mitchell go to the city, and that Mitchell also controls the one-mile belt outside its limits4. That means a lot just outside the city line can still be under Mitchell's zoning rather than the county's.

The city publishes official zoning maps, and its code includes a Single-Family Residential R-1 district table9. Dimensional rules differ by district, so check your parcel's district on the zoning map before assuming a setback or lot size. We could not confirm Mitchell's rules for RVs, tiny homes, accessory dwellings or a minimum dwelling size; ask the10 before you buy.

Do you need a building permit in Mitchell, and who issues it?

Mitchell's Building Inspection office states that building permits are required, and the city planning commission reviews plans before the city council approves them1. For projects that need a conditional-use permit or variance, no building permit issues unless the detailed plans match the approved application and the zoning title11. That permit is valid for 2 years; if construction is not finished in that time, a new permit and fees are required11. A certificate of occupancy for those projects also requires a construction-outcome report showing the board's conditions were met12.

Mitchell building permits come from the city, not the county; Davison County's Planning and Zoning Office says municipal permits are handled by the respective municipality13. We could not confirm which building code the city has adopted or any owner-builder exemption inside city limits, so ask Building Inspection.

How do septic permits work inside Mitchell?

Where no public sanitary sewer is available, Mitchell requires a written permit from the city superintendent before construction of a private wastewater system begins3. The application goes on a city form, may need plans and specifications, and the permit and inspection fee is due when you file14. The permit does not take effect until the installation satisfies the superintendent, and you must give notice before the underground parts are covered; the city is to inspect within 24 hours of that notice5.

Lot size matters. A drain field using soil absorption needs at least one-half acre with public water, and at least one acre with a private well or within 500 feet of Lake Mitchell7. Systems must also follow state Department of Public Health recommendations, and the state DANR sets installation requirements for on-site systems1516.

When must you connect to Mitchell's public sewer?

If your property abuts a street or alley with a city sanitary sewer and the sewer is within 200 feet of the building and reasonably accessible, Mitchell requires you to connect at your own expense within 60 days after official notice6. A tap into the public sewer needs a city permit, with a fee set by city council resolution17. A private system must be abandoned once sewer becomes available7.

Building a home in Mitchell: the steps, in order

  1. Find your parcel's zoning district on the city zoning map and confirm it with the109.
  2. If you are dividing land, talk to the Director of Public Works first; plats must follow the city's comprehensive plan and zoning18.
  3. Ask whether public sewer reaches the lot; if so, plan to connect6.
  4. If no sewer is available, apply for the city's private wastewater permit3.
  5. Apply for a building permit through1.
  6. Electrical work needs a state homeowner permit before it starts, and a final electrical inspection is required before occupancy1920.
  7. Check floodplain limits, since Mitchell's code controls filling, grading and other development that may increase flood damage21.

What stays with Davison County, and what to check before you buy

Land outside Mitchell and its one-mile belt falls under Davison County, where the county's Planning and Zoning Office issues building permits and zoning approval for unincorporated land13. County rules do not apply inside the city.

Before you buy, confirm three things. First, Mitchell's code gave us no general private-well permit rule, so ask the city whether a well is allowed on your lot; state water-right permits apply only where the proposed use requires one8. Second, USDA rates only about 1.1% of Davison County soils as not limited for a conventional septic drain field, so expect a site evaluation22. Third, Davison County's effective property tax rate is 1.2%23.

Watch-outs

  • A parcel just outside Mitchell's limits may still sit in the city's one-mile zoning area, so confirm the jurisdiction with the city planner before relying on county rules4.
  • Mitchell requires a public sewer connection within 60 days of official notice when a city sewer is within 200 feet of the building6.
  • We could not confirm Mitchell's rules on RV living, tiny homes, accessory dwellings, short-term rentals or general driveway permits; call the City Planner at 605-995-843310.

Sources

  1. City of Mitchell Building Inspection (cityofmitchellsd.gov)
  2. 10-1-2: Jurisdiction (Mitchell), quoted and re-checked
  3. 8-9-3: Private Wastewater Disposal (Mitchell), quoted and re-checked
  4. Planning and Zoning, quoted and re-checked
  5. 8-9-3: Private Wastewater Disposal (Mitchell), quoted and re-checked
  6. 8-9-4: Public Sewers and Sewer Service Connections (Mitchell), quoted and re-checked
  7. 8-9-3: Private Wastewater Disposal (Mitchell), quoted and re-checked
  8. South Dakota Water Rights — Drilling a Well (South Dakota statewide rule), quoted and re-checked
  9. 10-1-2: Jurisdiction (Mitchell), quoted and re-checked
  10. City of Mitchell Planning & Zoning Department (cityofmitchellsd.gov)
  11. 10-3-6: Building Permits and Certificates of Occupancy for Conditional Uses and Variances (Mitchell), quoted and re-checked
  12. 10-3-6: Building Permits and Certificates of Occupancy for Conditional Uses and Variances (Mitchell), quoted and re-checked
  13. Planning and Zoning, quoted and re-checked
  14. 8-9-3: Private Wastewater Disposal (Mitchell), quoted and re-checked
  15. 8-9-3: Private Wastewater Disposal (Mitchell), quoted and re-checked
  16. South Dakota DANR Livestock Services Program (danr.sd.gov)
  17. 8-9-4: Public Sewers and Sewer Service Connections (Mitchell), quoted and re-checked
  18. codelibrary.amlegal.com (Mitchell), quoted and re-checked
  19. South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule), quoted and re-checked
  20. South Dakota Electrical Commission - Homeowner Wiring (South Dakota statewide rule), quoted and re-checked
  21. 12-1-4: Methods of Reducing Flood Loss (Mitchell), quoted and re-checked
  22. 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
  23. Effective property tax rate: Bolthole Index county data

Written October 24, 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.

Answers from the rulebook for Mitchell

Mitchell’s own rules

  • Building permitLimited

    Development requiring a conditional-use permit or variance inside Mitchell city limits.

    • Detailed plans must conform to the approved application, general plans, and zoning title.
    • Permit is valid two years; a new permit and fees are required if construction is not completed within that period.

    permit validity: 2 years (Construction not completed within the period requires a new permit and fees.)

    “No building permit for the proposed development or any part thereof shall be issued unless the detailed plans are in accordance with the application and general plans as approved and with the intent as stated in this title.”
  • Certificate of occupancyLimited

    Conditional uses and variances inside Mitchell city limits.

    • Occupancy must comply with Title 10.
    • Applicant must submit a detailed construction-outcome report showing compliance with Board of Adjustment or city-council conditions or standards.
    “The building official shall not issue any certificate of occupancy unless occupancy is in compliance with this title. No certificate of occupancy shall be issued until a detailed report is submitted by the applicant to the building official showing the outcome of construction and compliance with the conditions or standards set forth by the board of adjustment or city council.”
  • Local zoningPresent (with conditions)

    Real property inside Mitchell city limits.

    • The zoning title also applies in specified extraterritorial areas under a city-county agreement.
    “This title shall apply to all real property within the corporate limits of the city and within the area known as the area of extraterritorial jurisdiction”
  • Zoning districtsPublished (with conditions)

    Zoning districts inside Mitchell city limits.

    • Official zoning maps depict the city zoning jurisdiction.
    • The cited code has a Single-Family Residential R-1 district table.
    “which is depicted on the official zoning maps of the city of Mitchell and Davison County”
  • Who permits septicLocal (with conditions)

    Private wastewater disposal systems inside Mitchell city limits where public sanitary sewer is unavailable.

    • System must comply with state Department of Public Health recommendations.
    • City or state Department of Public Health may impose additional requirements.
    “Before commencement of construction of a private wastewater disposal system the owners shall first obtain a written permit issued by the superintendent.”
  • Septic permitRequired

    Construction of a private wastewater disposal system inside Mitchell city limits where public sanitary sewer is unavailable.

    • Application is on a city form and may require plans, specifications, and other information deemed necessary by the superintendent.
    • Permit and inspection fee is due when application is filed.
    “Before commencement of construction of a private wastewater disposal system the owners shall first obtain a written permit issued by the superintendent.”
  • Septic inspectionRequired

    Permitted private wastewater disposal systems inside Mitchell city limits.

    • Permit does not become effective until installation is completed to superintendent satisfaction.
    • Applicant must notify superintendent before underground portions are covered; inspection is to occur within 24 hours of notice.

    inspection after notice: <= 24 hours

    “The inspection shall be made within twenty four (24) hours of the receipt of notice by the superintendent.”
  • Off-grid sanitationLimited

    Private wastewater disposal inside Mitchell city limits where public sanitary sewer is unavailable.

    • Subsurface soil absorption facility requires at least one-half acre for persons with public water supply, and at least one acre for persons with a private well or within 500 feet of Lake Mitchell.
    • No septic tank or cesspool may discharge to a natural outlet.
    • Private system must be abandoned after sewer becomes available under the city rule.

    minimum lot area: >= 0.5 acre (Persons with public water supply using subsurface soil absorption facilities.) · minimum lot area: >= 1 acre (Persons with private well or where system is within 500 feet of Lake Mitchell.)

    “For persons with a private well or where the private wastewater system is within five hundred feet (500') of Lake Mitchell, no permit shall be issued for any private wastewater disposal system employing subsurface soil absorption facilities where the area of the lot is less than one acre. No septic tank or cesspool shall be permitted to discharge to any natural outlet.”
  • Mandatory utility hookupSewer (with conditions)

    Houses, buildings, and properties requiring sanitary facilities inside Mitchell city limits.

    • Applies if property abuts a street, alley, or right-of-way containing a city public sanitary sewer and the sewer is within 200 feet and reasonably accessible as determined by the superintendent.
    • Connection is required within 60 days after official notice and at owner expense.

    sewer distance: <= 200 feet (Must be reasonably accessible as determined by superintendent.) · connection deadline after official notice: <= 60 days

    “The owner(s) of all houses, buildings, or properties used for human occupancy, employment, recreation or other purposes which require sanitary facilities, situated within the city and abutting on any street, alley or right of way in which there is now located or may in the future be located a public sanitary sewer of the city, is hereby required at the owner's expense to install suitable toilet facilities therein, and to connect such facilities directly with the public sewer in accordance with provisions of this chapter, within sixty (60) days after date of official notice to do so, provided that the public sewer is within two hundred feet (200') of the building and reasonably accessible as determined by the superintendent.”
  • Subdividing landRegulated (with conditions)

    Land subdivision inside Mitchell city limits.

    • Subdivider must confer with Director of Public Works before subdivision.
    • Plats must conform with the city comprehensive plan, city zoning ordinance, major street plan, design standards, and other adopted plans affecting the land.
    “It shall be unlawful for any person having control of any land within the city and its area of extraterritorial jurisdiction to subdivide such land into lots other than in accordance with the laws of the state of South Dakota and the regulations contained herein.”
  • Building in a floodplainLimited

    Floodplain development inside Mitchell city limits.

    • Title 12 restricts or prohibits certain dangerous flood-period land uses.
    • Title 12 controls filling, grading, dredging, and other development that may increase flood damage.
    “Controls filling, grading, dredging and other developments that may increase flood damage; and”
  • Permit feesVariable (with conditions)

    Public sewer connection permits inside Mitchell city limits.

    • Amount is established by City Council resolution.
    • Permit cannot issue until applicant complies with superintendent terms and state Department of Public Health rules for connections.
    “No person shall connect his property with any opening or tap into the public sewer without first having obtained a permit to do so from the city upon the payment of a fee as established from time to time by resolution of the city council for designating the opening for the connecting tap.”
  • Permit processPartial

    Private wastewater disposal system permit applications inside Mitchell city limits.

    • Application uses a city-furnished form.
    • Applicant must supplement application with plans, specifications, and other information deemed necessary by superintendent.
    • Permit and inspection fee is paid when filed.
    “The application for such permit shall be made on a form furnished by the city, which the applicant shall supplement by any plans, specifications, and other information as are deemed necessary by the superintendent. A permit and inspection fee as provided by title 9, chapter 3 of this code shall be paid to the city at the time the application is filed.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Mitchell or Davison County directly.

  • Owner-builder exemption — Owner-built residential construction inside Mitchell city limits.
  • Building code adopted — Building construction inside Mitchell city limits.
  • Inspections — General building construction inside Mitchell city limits.
  • Minimum dwelling size — Single-family residential R-1 district inside Mitchell city limits.
  • Living in an RV — Long-term RV occupancy on private land inside Mitchell city limits.
7 more unanswered
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Driveway access
  • 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.

Unanswered questions are usually a sign that Mitchell publishes no rule on the point, not that none exists. Davison County’s page lists the county offices to call.

← All of Davison County: county rules, score and offices