Bolthole Index

Cook County, Minnesota

Building permits, zoning and land rules in Cook County, Minnesota

64Index Score / 100
#29 of 87 in Minnesota

Unincorporated Cook County, Minnesota requires a land-use permit for any habitable structure and for other structures larger than 160 square feet in county-administered areas1. Cook County Land Services handles zoning except in Grand Marais and the Grand Portage Reservation2. Grand Marais issues its own building permits; Land Services administers septic requirements outside the Grand Portage Reservation, including inside Grand Marais34.

At a glance

Building / land-use permit
Required for every habitable structure and structures over 160 square feet in county-administered areas1
Zoning
County-administered except in Grand Marais and the Grand Portage Reservation5
Septic permit
Land Services handles septic permits outside the Grand Portage Reservation, including Grand Marais46
RV living
Limited to a short-duration permit bridging purchase and construction of a permanent residence7
Tiny home
A land-use permit is required regardless of size; local occupancy approval remains parcel-specific1
Owner-builder
Available for qualifying owners who will occupy the home or retain it as a rental8
Private well
State well notification is required before construction; no separate county well permit was confirmed94
Minimum lot size
Varies by district; most county land is zoned 5, 10 or 20 acres, with some 1 to 2 acre lots10

Who to call

Planning & zoning

Cook County Land Services

Land-use and zoning administration, septic-system administration, stormwater and wetland permitting inquiries

218.387.3630

Cook County Courthouse 411 West 2nd Street Grand Marais, MN 55604

Online permits →

Zoning

Cook County Land Services

Recreational-vehicle land-use permit applications

Online permits →

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

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

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Do you need a building permit in Cook County, Minnesota?

Cook County Land Services requires a land-use permit for any habitable structure, regardless of size, and for other structures larger than 160 square feet in county-administered areas.1 Changes to an existing structure’s exterior dimensions generally require a land-use permit too.1 An accessory structure under 160 square feet or an unsided woodshed may be exempt if required setbacks are met; a small habitable cabin still needs a land-use permit.1

Inside Grand Marais, the city issues building permits for construction, alteration, wrecking or moving a structure, with an exception for residential interior work that changes neither exterior dimensions nor use and occupancy.3 Land Services still administers septic requirements in Grand Marais, but not within the Grand Portage Reservation.4

Minnesota’s State Building Code applies statewide to the construction it governs, but local administration and enforcement depend on jurisdiction.11 We could not confirm the code-inspection authority or schedule for each Cook County location; ask Land Services which building-code approvals apply to the parcel.4

Who issues building permits in Cook County, and how do you reach them?

Cook County Land Services handles rural land-use permits, zoning approval, septic administration, stormwater permitting and subdivision questions in its jurisdiction.4 Contact Land Services at 218.387.3630 or at the Cook County Courthouse, 411 West 2nd Street, Grand Marais, MN 55604.4

For building permits inside Grand Marais, apply to the city’s Zoning Administrator on city forms with a scaled plan showing lot dimensions and building locations.3 Septic administration stays with Land Services outside the Grand Portage Reservation.4

For county applications, create an account in the Cook County e-permitting portal, submit applications and supporting drawings or photographs, pay applicable fees and track communications, completed permits and renewals.12 A county fee schedule is published; ask Land Services for the current land-use permit charge.13 We could not confirm a countywide certificate-of-occupancy requirement; ask Land Services which building official governs the proposed work.4

Does Cook County have zoning?

Cook County Land Services administers zoning on unincorporated land outside the Grand Portage Reservation; the City of Grand Marais and the reservation are outside county zoning authority.14 Grand Marais has its own zoning ordinance covering city land and buildings, while septic administration remains with Land Services outside the reservation.154

Cook County publishes a zoning-and-land-use map and Zoning Ordinance Number 37; ask Land Services to identify the parcel’s district before choosing a house site or use.16 Minimum lot size varies by district: most county land has minimums of 5, 10 or 20 acres, with some districts allowing lots as small as 1 or 2 acres.10 A residential lot must also have an accessible, buildable homesite meeting minimum setbacks, and a variance procedure may apply when those setbacks cannot be met.17 We could not confirm district-specific numeric setbacks, minimum dwelling size, lot coverage or height limits; ask Land Services for the standards applicable to the parcel.4 Rezoning is a non-administrative change of district rather than a routine land-use permit.18

How do septic permits work in Cook County?

Cook County Land Services administers septic requirements throughout Cook County except within the Grand Portage Reservation, including inside Grand Marais.4 Cook County requires a septic permit for all types of septic solutions serving inhabited property; we could not confirm ordinance exemptions, so ask Land Services before relying on one.6 Installing, replacing, altering, repairing or extending a subsurface sewage system requires a permit.4 Property owners may complete applications for portable, composting or incineration toilets, but those sanitation systems still require approval; the listed privy/compost permit fee is $200.19

Only about 0.4% of mapped Cook County soils are rated without severe limits for a conventional drain field, so evaluate septic feasibility before fixing the house site.20 New or replacement systems require an inspection, and bedroom-addition approvals can depend on inspection and compliance documentation for the existing system.21 We could not confirm a universal Cook County septic-inspection rule for property sales; ask Land Services what the transaction triggers.4

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

Cook County's recreational-vehicle permit is short-duration and intended to bridge the time between buying property and constructing a permanent residence; it does not establish a right to live indefinitely in an RV.7 Ask Land Services about the parcel's zoning, permit duration and sanitation requirements because a broader private-property camping rule could not be confirmed.4

A tiny home does not avoid county permitting because it is small: every habitable structure in county-administered areas requires a land-use permit regardless of size.1 Minnesota treats a tiny house of 400 square feet or less, excluding lofts, as subject to the statewide construction code and local zoning.22 We could not confirm a countywide minimum dwelling size or a Cook County rule specifically approving tiny-home occupancy; ask Land Services for a parcel-specific determination.4

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

  1. Confirm the parcel’s zoning authority: Cook County Land Services, Grand Marais or the Grand Portage Reservation.2
  2. Ask the zoning authority for the district, permitted use, lot-size minimum and setbacks before choosing a building site.161017
  3. Evaluate septic feasibility and ask Land Services what design and application documents the proposed system needs outside the reservation.204
  4. Submit county land-use and septic applications through the county portal; inside Grand Marais, submit the city building-permit application to the city’s Zoning Administrator.123
  5. Ask Land Services which building official handles code inspections and occupancy approval for the parcel.4
  6. For a county-road driveway, apply for the county entrance permit: $50 plus a $250 deposit; a grade-and-fill permit may also be required.23 The entrance application does not cover Forest Service, DNR or private roads.23
  7. Before constructing or modifying a direct state-highway driveway, obtain a MnDOT Access Driveway Permit.24

What should you check before buying land in Cook County?

Begin with jurisdiction and buildability. Confirm the zoning authority, district, allowed use, lot dimensions, setbacks, legal access and whether the project needs land-use, septic, stormwater, wetland or floodplain approval.5164 Building a house in a mapped floodplain requires a floodplain permit, and in unincorporated areas the county zoning authority generally administers it25. Splitting or adjusting the boundaries of land is regulated, and the county provides processes for administrative subdivisions and boundary-line adjustments.26 Cook County’s vacation-rental license application lists a $600 fee, and rentals of less than 30 consecutive days are subject to Cook County lodging tax.27 We could not confirm every rental occupancy or operating limit; ask Land Services before budgeting rental income.4

Budget for site work after a septic evaluation: about 0.4% of mapped soils avoid a severe conventional-drain-field limitation, while about 82.8% of the county has slopes of 15% or less.2028 Minnesota generally requires a well notification filed with the state before a water-supply well is built9. We could not confirm a countywide water or sewer connection rule; ask Land Services which office governs the parcel.4 Cook County's effective property-tax rate is about 0.8%, with a median annual bill of about $2,322.2930

Watch-outs

  • Grand Marais issues city building permits and sets city zoning, but Land Services still administers septic requirements there; the Grand Portage Reservation is outside county zoning and septic administration.3154
  • A small habitable cabin still requires a land-use permit even when it is under 160 square feet.1
  • Cook County's RV permit is short-duration and does not authorize indefinite RV residence.31
  • The owner-builder exemption applies to contractor licensing, not Cook County land-use or building-code approvals.8

Sources

  1. Permits, quoted and re-checked
  2. Planning & Zoning, quoted and re-checked
  3. Grand Marais: Grand Marais Zoning Ordinance (Cook County), quoted and re-checked
  4. Cook County Land Services (cookcountymn.gov)
  5. Planning and Zoning, quoted and re-checked
  6. Permits, quoted and re-checked
  7. Permits, quoted and re-checked
  8. revisor.mn.gov, quoted and re-checked
  9. 2025 Minnesota Statutes, section 103I.205: Well Construction (Minnesota statewide rule), quoted and re-checked
  10. Cook County Property Owners Resource Guide, quoted and re-checked
  11. 2025 Minnesota Statutes, section 326B.121 (Minnesota statewide rule), quoted and re-checked
  12. Permits, quoted and re-checked
  13. Permits, quoted and re-checked
  14. Planning and Zoning, quoted and re-checked
  15. Grand Marais: Grand Marais Zoning Ordinance (Cook County), quoted and re-checked
  16. Planning and Zoning, quoted and re-checked
  17. Cook County Property Owners Resource Guide, quoted and re-checked
  18. Planning & Zoning, quoted and re-checked
  19. e-Permitting - Cook County, Minnesota, quoted and re-checked
  20. 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
  21. revisor.mn.gov, quoted and re-checked
  22. Tiny Houses and the 2020 Minnesota Residential Code (Minnesota statewide rule), quoted and re-checked
  23. e-Permitting - Cook County, Minnesota, quoted and re-checked
  24. MnDOT Access Management Manual, Chapter 4 (Minnesota statewide rule), quoted and re-checked
  25. Floodplain Regulations (Minnesota statewide rule), quoted and re-checked
  26. cookcountymn.gov, quoted and re-checked
  27. e-Permitting - Cook County, Minnesota, quoted and re-checked
  28. Share of land at 15% slope or less: Bolthole Index county data
  29. Effective property tax rate: Bolthole Index county data
  30. Median property tax bill: Bolthole Index county data
  31. Permits, quoted and re-checked

Written October 11, 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.

Found land here? Start a Property Hunt →

Compared with neighboring counties

Unlike 4 of its 6 neighbors, Cook County requires a building permit for a home.

RuleCook CountyLake CountySt. Louis CountyCarlton CountyItasca CountyKoochiching CountyPine County
Building permitRequiredLimitedRequiredLimitedLimitedRequiredLimited
County zoningYesYesYesYesYesYesNo
Septic permitsCounty Land ServicesCounty Planning & ZoningCounty Planning & ZoningCounty Zoning & Env. ServicesCounty Env. ServicesCounty Env. ServicesCounty Planning & Zoning

County locator

Cook County in Minnesota

64
County map
Cook County highlighted among the Minnesota counties · colored by Index score

How Cook County scores

Seclusion96100% ev.
Self-Sufficiency40100% ev.
Admin Boringness43100% ev.
Durability48100% ev.
Property Autonomy65100% ev.
Carry Cost61100% 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 →

$446kTypical home
0.8%Property tax
$7,495Land / acre
30.3"Annual rain
11.7% of yrsSevere drought
0.1 / yr (+0.1)Mid-century 100°F days
12.1 daysMid-century dry spell
1.46" (+10.1%)Mid-century 1-day rain
1.73×Wildfire change factor
100%Forward climate coverage
$1,671Home insurance / yr
0.1% / yrInsurance growth
0%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
10,955People within 2 hr
654Radius comparison (15 mi)
3.9People / sq mi
81.8%Federal land
82.8%Land at 15% slope or less
0.4%Soils rated "not limited" for septic (strict USDA rating)
3,081 acWorkable land screen
85.7%Wooded land
29.3 tonsBiomass / forest ac
36.8°FAvg temp

Scout Cook County

Camp here before you commitBook a few nights nearby on Hipcamp →Already own land here?Earn money hosting campers — get $100 when you become a Hipcamp host →

Some links are affiliate or referral links — we may earn a commission, at no cost to you.

Property hunt

Find land. Bring the promising ones back.

Search live inventory elsewhere, then cost and vet each candidate here. No copied listings, account, or paid data feed.

Each button opens a current land search for Cook County. Listing sites control their own results and filters.

Analyze a property
Add setup-cost allowances

Use rough quotes or placeholders. Blank fields count as $0.

Working estimate

—land + entered setup costs
Asking $ / acre
—
Setup allowance
—
All-in $ / acre
—

A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.

Before an offer

Parcel due diligence

0/8 checked

Saved properties and checklist progress stay on this device. Bolthole Index does not receive them.

Cities and towns in Cook County

Inside a city, town or township here, that government usually sets zoning and may issue its own building permits; the county’s rules above cover land outside them.

Not yet researched: Lutsen Township · Schroeder Township · Tofte Township

Answers from the rulebook for Cook County

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

Cook County rules

  • Building permitRequired

    Construction of structures in Cook County subject to the county land-use permit system.

    • A land-use permit is necessary for structures greater than 160 square feet or any habitable structure regardless of size.
    • Cook County's planning page states that some accessory structures under 160 square feet and unsided woodsheds of any size may be exempt if required setbacks are met.
    • Building-code permits may also be required under state law.

    structure size threshold: > 160 square feet (Accessory structures under 160 square feet may be exempt if required setbacks are met.)

    “In Cook County, a land use permit is generally required to construct any inhabitable structure or to make changes that alter the exterior dimensions of an existing structure.”
    One more reviewed finding on this topic
    • Required — Construction of structures and habitable structures in areas administered by Cook County Land Services.
      “Necessary for construction of structures greater than 160 square feet, or any habitable structure regardless of its size”
  • County-wide zoningPresent (with conditions)

    County land-use zoning and related controls in Cook County.

    • Cook County Land Services is the zoning authority for all areas except the Grand Portage Reservation and City of Grand Marais.
    • Those excluded areas may be governed by their own authorities.
    “Cook County Land Services is the zoning authority for all areas of Cook County except the following: Grand Portage Reservation and City of Grand Marais.”
    One more reviewed finding on this topic
    • Present — County land-use controls in Cook County, except the Grand Portage Reservation and City of Grand Marais.
      “Cook County Land Services is the zoning authority for all areas of Cook County except the following: Grand Portage Reservation and City of Grand Marais.”
  • Local zoningVaries (with conditions)

    Local zoning across Cook County, aggregated across county-administered areas and excluded local jurisdictions.

    • County Land Services administers zoning throughout the county except Grand Portage Reservation and City of Grand Marais.
    • This aggregate claim does not assert that the county administers zoning inside the excluded jurisdictions.
    “Cook County Land Services is the zoning authority for all areas of Cook County except the following: Grand Portage Reservation and City of Grand Marais.”
    2 more reviewed findings on this topic
    • Varies (with conditions) — Aggregate local zoning across Cook County; Cook County administers most county areas, while Grand Portage Reservation and the City of Grand Marais are exceptions with separate authority.
      “Cook County Land Services is the zoning authority for all areas of Cook County except the following: Grand Portage Reservation and City of Grand Marais.”
    • Varies (with conditions) — Land-use zoning across Cook County, with stated exceptions for the Grand Portage Reservation and City of Grand Marais.
      “Cook County Land Services is the zoning authority for all areas of Cook County except the following: Grand Portage Reservation and City of Grand Marais.”
  • Zoning districtsPublished

    Cook County zoning districts and rezoning process.

    • The county page identifies zoning and land-use regulations maps and a county zoning ordinance.
    • The detailed district-specific numeric standards were not extracted in this run.
    “If it is in the interest of the County, rezoning is a non-administrative shift of zone districts – typically to modify land use practices”
    One more reviewed finding on this topic
    • Published — Cook County zoning districts and related zoning materials.
      “ZONING AND LAND USE REGULATIONS MAP [...] COUNTY ZONING AND SUBDIVISION ORDINANCES”
  • Minimum lot sizeDistrict specific (with conditions)

    Residential lots in Cook County zoning districts.

    • The county guide states that allowed minimum lot sizes vary by zoning district.
    • The guide identifies 5-, 10-, and 20-acre minimums for the majority of county land and also states that some lots as small as one or two acres are allowed.

    majority minimum lot sizes: 5, 10, or 20 acres (Some lots as small as one or two acres are allowed)

    “Although lots as small as one or two acres are allowed, the majority of land in Cook County is zoned for a minimum lot size of 5, 10, or 20 acres.”
  • SetbacksDistrict specific (with conditions)

    Setback requirements for residential lots and structures in Cook County zoning districts.

    • Each residential lot must have a homesite that can be accessed and developed while meeting minimum setback requirements.
    • Variance procedures may apply when a landowner cannot build according to setback requirements.
    “Each lot created for residential use must meet the minimum lot size and dimensions for the zone district it is located in; have an area for construction of a home-site that can be accessed and developed meeting all minimum setback requirements;”
  • Living in an RVTemporary only (with conditions)

    Recreational vehicle use associated with property purchase and construction in Cook County.

    • The county describes the recreational vehicle permit as a short-duration permit intended to bridge the period between property purchase and construction of a permanent residence.
    • The source does not establish unrestricted long-term RV residence.
    “Intended as a bridge between property purchase and construction of a permanent residence. This is a short duration permit designed to facilitate property enjoyment”
    One more reviewed finding on this topic
    • Limited — Recreational-vehicle use under Cook County land-use permitting.
      “Intended as a bridge between property purchase and construction of a permanent residence. This is a short duration permit designed to facilitate property enjoyment”
  • Who permits septicCounty

    County septic permitting and inspection-request administration.

    • The county page identifies Cook County permitting and lists septic system permits and inspection requests in its land-services e-permitting system.
    • Specific ordinance requirements under Septic Ordinance 58 could not be extracted because the official PDF was inaccessible to the research tool.
    “Apply for zoning approvals including: Land Use Permits [...] Septic System Permits & Inspection Requests [...] Vacation Rental Licenses”
    One more reviewed finding on this topic
    • County — Private septic-system permitting and inspection requests processed through Cook County Land Services.
      “Apply for zoning approvals including: Septic System Permits & Inspection Requests”
  • Septic permitRequired

    Septic solutions serving inhabited property in Cook County.

    • The county page states the permit is required for all types of septic solutions and is used whenever a property is inhabited.
    • Specific exemptions or ordinance exceptions were not available from the inaccessible Ordinance 58 PDF.
    “A septic permit is required for all types of septic solutions; used whenever a property is inhabited”
    One more reviewed finding on this topic
    • Required — All types of septic solutions when a property is inhabited.
      “A septic permit is required for all types of septic solutions; used whenever a property is inhabited”
  • Off-grid sanitationAllowed (with conditions)

    Portable, composting, and incineration toilets used as onsite sanitation in Cook County.

    • A permit is required for the applicable onsite wastewater or sanitation system.
    • Property owners may complete the permit for a portable toilet, composting toilet, or incineration toilet.
    • The listed privy/compost permit fee is $200.

    privy/compost permit fee: 200 USD

    “Property owners may fill this permit out for a portable toilet, composting toilet or incineration toilet.”
  • Subdividing landRegulated (with conditions)

    Land subdivisions in Cook County areas administered by Cook County Land Services.

    • The county page identifies land subdivisions as part of Planning and Zoning.
    • The county permit portal lists administrative subdivisions and boundary-line adjustments as application types.
    • Grand Portage Reservation and City of Grand Marais are excluded from county zoning authority.
    “Planning & Zoning includes permitting for structure placement and use, vacation rental licensing, stormwater permitting, and land subdivisions.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision and related land-division approvals in Cook County.
      “Administrative Subdivision Allows subdivision of property to create conforming new properties”
  • Driveway accessLimited

    Access onto Cook County roads.

    • The entrance permit is for county roads only and not for Forest Service, DNR, or private roads.
    • A physical-address application may also be required.
    • A grade-and-fill permit may be required.

    entrance permit fee: 50 USD (Plus $250 deposit) · lead time: 1 week

    “Use this form to submit an entrance application for access onto county roads ONLY. This application is not for access onto Forest Service, DNR or private roads. If you do not have a physical address number, please submit a Physical Address Application through Emergency Management's ePermitting portal. A grade & fill permit may be required as well. The permit fee is $50.00 plus a $250.00 deposit. Deposit will be refunded if entrance is complete/approved within one year. Lead time is one week.”
  • Short-term rentalsLimited

    Short-term rentals of less than 30 consecutive days in Cook County.

    • The county portal states that rentals of less than 30 consecutive days are subject to Cook County lodging tax.
    • A vacation-rental license application is listed with a $600 permit fee.
    • Additional zoning, sanitation, parking, and other county requirements may apply.

    short-term rental duration threshold: < 30 consecutive days · vacation rental license fee: 600 USD

    “Per MN statute 469.190 all short-term rentals (any rental of less than 30 consecutive days) are required to pay lodging tax in Cook County. [...] Use this form to apply for a Cook County Vacation Rental License The Permit Fee is $600.00”
    One more reviewed finding on this topic
    • Limited — Vacation rentals in Cook County subject to county licensing and ordinance requirements.
      “Planning & Zoning includes permitting for structure placement and use, vacation rental licensing, stormwater permitting, and land subdivisions.”
  • Permit feesPublished

    Cook County land-use and permit applications.

    • The county permit portal states that applicants can pay applicable fees online.
    • The county planning page links a fee schedule, but the linked PDF was inaccessible; specific fee amounts were not verified.
    “This system allows our office to process permits and zoning approvals consistently, efficiently, and transparently, with a step-by-step process that is user-friendly and gives the applicant consistent communication throughout the process.”
  • Permit processPublished

    Cook County land-use, zoning, septic, vacation-rental, subdivision, and related applications.

    • Applicants use the web-based permitting system.
    • Applicants must create an account, submit applications and supporting documents, and pay applicable fees.
    • The county states that the system provides 24/7 access and application tracking.
    “Our web-based permitting and application submittal system allows you to apply and pay for licenses and permits applications all online with 24/7 access.”
    One more reviewed finding on this topic
    • Published — Cook County land-use and zoning applications submitted through the county e-permitting system.
      “Our web-based permitting and application submittal system allows you to apply and pay for licenses and permits applications all online with 24/7 access.”

Minnesota rules that apply here

  • Owner-builder exemptionAvailable (with conditions)

    An owner of residential real estate who personally builds or improves residential real estate, as an exemption from the residential contractor licensing requirement.

    • The owner must occupy or intend to occupy the residential real estate for residential purposes, or retain ownership for rental purposes after completion.
    • The exemption does not apply when the owner constructs or improves residential real estate for resale or speculation.
    • An owner is presumed to be building or improving for speculation if the owner constructs or improves more than one property within any 24-month period, unless the properties will be retained for rental purposes.
    • This is a contractor-licensing exemption and does not waive applicable building permits, inspections, or certificates of occupancy.

    speculation presumption threshold: > 1 additional property within 24 months (The presumption does not apply if the properties will be retained by the owner for rental purposes.)

    “The license requirement does not apply to: [...] an owner of residential real estate who builds or improves residential real estate”
    One more reviewed finding on this topic
    • Available (with conditions) — An owner of residential real estate building or improving residential real estate in Cook County.
      “an owner of residential real estate who builds or improves residential real estate if the owner occupies or will occupy the residential real estate for residential purposes, or will retain ownership for rental purposes upon completion of the building or improvement.”
  • Building code adoptedAdopted (with conditions)

    Construction, reconstruction, alteration, repair, and use of buildings and other structures of the type governed by the Minnesota State Building Code throughout Minnesota.

    • The State Building Code supersedes the building code of any municipality.
    • The State Building Code does not apply to agricultural buildings except for the state inspections and rulemaking identified in Minnesota Statutes section 326B.121, subdivision 1, paragraph (c), clause (1), and the structural-support requirement for translucent panels or other skylights without raised curbs in clause (2).
    • The 2020 Minnesota State Building Code is effective March 31, 2020, except the Minnesota Mechanical Fuel Gas Code, which is effective April 6, 2020.
    • Municipal enforcement generally requires adoption by local ordinance, subject to statutory requirements for certain municipalities and statutory enforcement responsibilities where no adoption ordinance is in effect.
    • The 2024 Minnesota Commercial Energy Code is effective January 5, 2024.
    • Requirements for adult changing stations are effective August 15, 2025, and requirements for window-cleaning safety features are effective November 7, 2025, according to the Department of Labor and Industry update page.

    2020 Minnesota State Building Code effective date: 2020-03-31 (Minnesota Mechanical Fuel Gas Code effective 2020-04-06) · 2024 Minnesota Commercial Energy Code effective date: 2024-01-05 · Adult changing station supplement effective date: 2025-08-15 · Window-cleaning safety feature supplement effective date: 2025-11-07

    “(a) The State Building Code is the standard that applies statewide for the construction, reconstruction, alteration, repair, and use of buildings and other structures of the type governed by the code.”
    2 more reviewed findings on this topic
    • Partial — Construction, reconstruction, alteration, repair, and use of buildings governed by the Minnesota State Building Code in Cook County.
      “The State Building Code is the standard that applies statewide for the construction, reconstruction, alteration, repair, and use of buildings and other structures of the type governed by the code.”
    • Adopted — Construction, reconstruction, alteration, repair, and use of buildings and structures governed by the Minnesota State Building Code in Cook County.
      “The State Building Code is the standard that applies statewide for the construction, reconstruction, alteration, repair, and use of buildings and other structures of the type governed by the code.”
  • InspectionsRequired

    Construction or work for which a Minnesota State Building Code permit is required.

    • The work must remain accessible and exposed until approved.
    • The permit applicant must cause the work to remain accessible and exposed for inspection.
    • The building official identifies required inspections; the permit holder must maintain the inspection record card until final approval.
    • Work may not proceed beyond each successive inspection point without building-official approval; noncomplying portions must be corrected and may not be covered or concealed until authorized.
    “Construction or work for which a permit is required is subject to inspection by the building official”
  • Certificate of occupancyLimited

    Use or occupancy of buildings and structures, and changes in existing occupancy classification, in Minnesota jurisdictions administering and enforcing the State Building Code.

    • A building or structure may not be used or occupied, and an existing occupancy classification may not be changed, until the building official issues a certificate of occupancy under Minnesota Rules part 1300.0220.
    • The rule applies through the building official and therefore depends on the relevant jurisdiction administering and enforcing the State Building Code.
    • Issuance of a certificate of occupancy is not approval of a violation of the code or other municipal ordinances; a certificate purporting to authorize violation or cancellation of those requirements is invalid.
    • A municipality has the option of requiring certificates of occupancy for U occupancies constructed under the International Building Code, accessory structures constructed under the International Residential Code, and used manufactured homes moved into or within a jurisdiction.
    • Legal occupancy of a structure existing on the date of code adoption may continue without change.
    • A temporary certificate may be issued before all permitted work is complete if the occupied portion can be occupied safely; the building official sets its validity period.

    optional certificate category: U occupancies constructed under the International Building Code (municipality has the option of requiring a certificate) · optional certificate category: accessory structures constructed under the International Residential Code (municipality has the option of requiring a certificate) · optional certificate category: used manufactured homes moved into or within a jurisdiction (municipality has the option of requiring a certificate)

    “No building or structure shall be used or occupied, and no change in the existing occupancy classification of a building, structure, or portion of a building or structure shall be made until the building official has issued a certificate of occupancy for the building or structure under this part.”
  • Camping on your landLimited

    Private or public areas accommodating five or more tents or recreational camping vehicles on a daily, nightly, weekly, or longer basis

    • An annual license from the Minnesota Department of Health is required before establishing, maintaining, conducting, or operating a recreational camping area.
    • The license requires application, payment of the statutory fee, and approval for operation including plan review.
    • A recreational camping area excludes children's camps, industrial camps, migrant labor camps, United States Forest Service camps, state forest service camps, qualifying state wildlife-management or state-owned public-access areas, qualifying temporary holding areas adjacent to motorsports facilities, and a privately owned area used by a private club no more than once annually and no longer than seven consecutive days.
    • A special event recreational camping area operates no more than two times annually and for no more than 14 consecutive days.
    • The statute does not resolve local zoning or land-use requirements.

    minimum accommodated tents or recreational camping vehicles: >= 5 units (Statutory exclusions apply.) · special event operating frequency: <= 2 times annually (Special event recreational camping area.) · special event duration: <= 14 consecutive days (Special event recreational camping area.) · annual license base fee for recreational camping area with 24 or fewer sites: 100 USD (Additional $8 per licensed site; special event areas are excluded from that per-site paragraph.) · annual license base fee for recreational camping area with 25 to 99 sites: 410 USD (Additional $8 per licensed site; special event areas are excluded from that per-site paragraph.) · annual license base fee for recreational camping area with 100 or more sites: 610 USD (Additional $8 per licensed site; special event areas are excluded from that per-site paragraph.)

    “"Recreational camping area" means any area, whether privately or publicly owned, used on a daily, nightly, weekly, or longer basis for the accommodation of five or more tents or recreational camping vehicles free of charge or for compensation. [...] "Special event recreational camping area" means a recreational camping area which operates no more than two times annually and for no more than 14 consecutive days. [...] No person, firm or corporation shall establish, maintain, conduct or operate a manufactured home park or recreational camping area within this state without first obtaining an annual license from the state Department of Health.”
  • Tiny homesLimited

    Construction and residential use of tiny houses statewide, subject to the Minnesota State Building Code and applicable municipal zoning ordinances.

    • The Minnesota State Building Code applies statewide to construction of buildings, including tiny houses.
    • Municipal zoning ordinances vary by municipality and regulate land use, location, height, width, foundation type, number of stories, and building size.
    • The jurisdiction must be consulted for local zoning specifics.
    • Tiny houses used as dwelling units must comply with the Minnesota Residential Code unless otherwise stated in Appendix Q.
    • A tiny house is a dwelling of 400 square feet or less in floor area, excluding lofts.
    • Applicable requirements include light, ventilation, heating, minimum room sizes, ceiling heights, sanitation, toilet, bath and shower spaces, emergency escape and rescue openings, means of egress, smoke alarms, and carbon monoxide alarms.

    maximum tiny-house floor area: <= 400 square feet (lofts excluded) · minimum habitable-space and hallway ceiling height: >= 6.67 feet (6 feet 8 inches) · minimum bathroom, toilet-room, and kitchen ceiling height: >= 6.33 feet (6 feet 4 inches)

    “The Minnesota State Building Code is the standard of construction that applies statewide for the construction of buildings (MS 326B.121) including tiny houses.”
  • Manufactured homesLimited

    New manufactured homes installed for occupancy statewide in Minnesota

    • Inspection is required under Federal Installation Standards Programs, CFR 3285 and 3286.
    • Manufactured-home alterations require documentation submitted for review to the Department of Labor and Industry or the local authority having jurisdiction before work begins.
    • Local building officials and local code enforcement may apply depending on the municipality.
    “All new manufactured homes installed in Minnesota for occupancy are required to be inspected according to the Federal Installation Standards Programs, Code of Federal Regulations (CFR) 3285 and 3286.”
  • Accessory dwellingsLimited

    Temporary family health care dwellings used as a narrow accessory residential dwelling category statewide, where the municipality has not opted out of Minnesota Statutes § 462.3593.

    • The dwelling must be primarily assembled away from its installation site, be no more than 300 gross square feet, lack a permanent foundation, meet state-recognized accessibility standards, provide water and electric utilities, use compatible exterior materials, have at least R-15 insulation, be transportable by the specified truck types, comply with Minnesota Rules chapter 1360 or 1361 with the required seal and data plate or ANSI Code 119.2, and have a backflow check valve.
    • A caregiver or relative must apply for a municipal temporary dwelling permit with the required signatures and documentation, including provider-network proof, medical certification, septic-service documentation, adjacent-owner notice affidavit, and a site map.
    • The dwelling must be on property where the caregiver or relative resides, comply with setbacks and applicable floor-area-ratio limits, and permit safe and timely access for septic services and emergency vehicles.
    • Occupancy is limited to one identified mentally or physically impaired person, and only one temporary family health care dwelling is allowed per lot.
    • The dwelling must comply with applicable state law, local ordinances, and charter provisions unless otherwise provided.
    • The initial permit lasts six months and may be renewed once for an additional six months.
    • The municipality may inspect, revoke the permit for violations, and require removal within 60 days after revocation.
    • Unless otherwise provided by ordinance, the municipality may charge up to $100 for the initial permit and up to $50 for renewal.
    • The municipality may opt out of the statutory requirements by ordinance.

    maximum dwelling area: <= 300 gross square feet · initial permit term: 6 months (renewable once for an additional six months) · maximum initial permit fee: <= 100 USD (unless otherwise provided by ordinance) · maximum renewal permit fee: <= 50 USD (unless otherwise provided by ordinance) · maximum occupants: 1 person (occupant must be a mentally or physically impaired person) · maximum dwellings per lot: 1 dwelling

    “A temporary family health care dwelling that meets the requirements of this section cannot be prohibited by a local ordinance that regulates accessory uses or recreational vehicle parking or storage.”
    One more reviewed finding on this topic
    • Limited — Accessory dwelling units statewide, including conversion of a structure into an ADU, subject to local zoning and Minnesota residential building-code requirements.
      “Local zoning ordinances dictate if a tiny home or accessory dwelling unit (ADU) is allowed on the property.”
  • Septic inspectionLimited

    Compliance inspection of an existing septic system before sale or transfer of property in Minnesota.

    • Minnesota state regulations do not require a compliance inspection before property sale or transfer.
    • Many county, city, or township ordinances require such inspections, especially in shoreland areas.
    • A statutory inspection is required before a local unit of government issues a building permit or variance for an added bedroom on property served by a system, unless the local government lacks an ordinance requiring a building permit for that bedroom addition.
    • For an application made from November 1 through April 30, the local unit may temporarily waive the inspection if inspection occurs by the following June 1 and the applicant submits the certificate or notice within 15 days.
    • A certificate of compliance for an existing system is valid for three years unless the local unit finds an imminent threat to public health or safety.

    existing-system certificate validity: 3 years (unless the local unit of government finds evidence of an imminent threat to public health or safety)

    “Minnesota state regulations don’t require a compliance inspection before a property is sold or transferred, but many county, city, or township ordinances do, especially in shoreland areas.”
    2 more reviewed findings on this topic
    • Required — New construction or replacement of subsurface sewage treatment systems serving Cook County property.
      “An inspection shall be required for all new construction or replacement of a system to determine compliance with applicable requirements.”
    • Required — Inspection of all new construction or replacement of a subsurface sewage treatment system in Minnesota.
      “An inspection shall be required for all new construction or replacement of a system to determine compliance with applicable requirements. The manner and timing of inspection may be determined by the applicable local ordinance.”
  • Well permitLimited

    Construction of water-supply, dewatering, and environmental wells in Minnesota.

    • A well notification and applicable filing fee are generally required before construction; the statute describes notification rather than a general construction-permit requirement for these wells.
    • A drive-point water-supply well personally constructed by an individual on owned or leased property for farming, agricultural purposes, or the individual's place of abode must be reported within ten days after completion, and no notification fee may be charged.
    • The notification requirement preempts local permits and notifications unless the commissioner has delegated permitting or notification authority under section 103I.111.
    • If operation of the well requires a Minnesota Department of Natural Resources appropriation permit, specified information must be submitted to the commissioner of natural resources and construction may begin after preliminary approval.
    • A well that is not in use must be sealed or have a maintenance permit, subject to the statutory environmental/dewatering-well exception.

    drive-point well notification deadline: 10 days after completion (personally constructed by an individual on owned or leased property for farming, agricultural purposes, or the individual's place of abode) · unused well status: sealed or maintenance permit (environmental or dewatering wells not sealed by 14 months after completion require an annually renewed maintenance permit)

    “Except as provided in paragraph (d), a person may not construct a water-supply, dewatering, or environmental well until a notification of the proposed well on a form prescribed by the commissioner is filed with the commissioner with the filing fee in section 103I.208, and, when applicable, the person has met the requirements of paragraph (e).”
  • Agricultural exemptionAvailable (with conditions)

    Agricultural buildings statewide that meet the definition in Minnesota Statutes § 326B.103, subdivision 3.

    • The structure must be on agricultural land as determined by the governing assessor for the municipality or county under section 273.13, subdivision 23.
    • The structure must be designed, constructed, and used to house farm implements, livestock, or agricultural products under section 273.13, subdivision 23.
    • The building must be used by the owner, lessee, and sublessee and members of their immediate families, employees, and persons engaged in pickup or delivery of agricultural products.
    • The State Building Code does not apply except with respect to state inspections required or rulemaking authorized by sections 103F.141, 216C.19, subdivision 9, and 326B.36.
    • Translucent panels or other skylights without raised curbs must be supported to have equivalent load-bearing capacity as the surrounding roof.
    “The State Building Code is the standard that applies statewide for the construction, reconstruction, alteration, repair, and use of buildings and other structures of the type governed by the code. [...] (c) The State Building Code does not apply to agricultural buildings except: (1) with respect to state inspections required or rulemaking authorized by sections 103F.141; 216C.19, subdivision 9; and 326B.36; and (2) translucent panels or other skylights without raised curbs shall be supported to have equivalent load-bearing capacity as the surrounding roof.”
  • Building in a floodplainRequired

    Construction and fill in regulated Minnesota floodplain areas, including houses, fill, culverts, and bridges.

    • Projects must comply with the community floodplain management ordinance.
    • For unincorporated areas, the county zoning authority generally administers the rule; cities generally administer within city boundaries; some townships administer floodplain permits and zoning.
    • In flood-fringe areas, residential buildings must place the lowest floor, including the basement, above the flood protection elevation.
    • The flood protection elevation is one foot above the 100-year flood plus any stage increase from flood-fringe designation; local communities may require a higher elevation.
    • If maps do not delineate floodway and flood fringe, the applicant may need engineering information verifying the flood protection elevation and that the site is outside the floodway.

    minimum lowest-floor elevation above 100-year flood: >= 1 foot (plus any stage increase due to designation of flood fringe areas)

    “Such projects as building a house, placement of fill, or installing a culvert or bridge would all require a floodplain permit.”
    2 more reviewed findings on this topic
    • Required — Building a house, placing fill, or installing a culvert or bridge in portions of a Minnesota floodplain.
      “Construction and fill is generally permitted in portions of the floodplain, provided they adhere to their community’s floodplain management ordinance. Such projects as building a house, placement of fill, or installing a culvert or bridge would all require a floodplain permit.”
    • Limited — Dwellings, enclosed structures, fill, or obstruction of flood flows within a mapped Minnesota floodway.
      “If the property a person owns or is interested in buying lies within this mapped floodway, they will not be permitted to construct a dwelling or other enclosed structure, place fill material, or obstruct flood flows in any other way.”
  • county zoning authorityLimited

    County planning and zoning authority over unincorporated areas of Minnesota.

    • The authority applies to a county having less than 300,000 population according to the 1950 federal census.
    • The statute authorizes county planning and zoning activities generally within the qualifying counties; it does not identify a separate unincorporated-area limitation in this section.
    • Except as otherwise provided, a county regardless of population must not enact, amend, or enforce an ordinance eliminating or terminating a lawful use by amortization.
    • The amortization prohibition does not apply to adults-only bookstores, adults-only theaters, or similar adults-only businesses as defined by ordinance.
    • The amortization subdivision does not prohibit nuisance-prevention or nuisance-abatement enforcement or elimination of a use determined to be a public nuisance without payment of compensation.

    population threshold: < 300000 persons (According to the 1950 federal census)

    “having less than 300,000 population according to the 1950 federal census is authorized to carry on county planning and zoning activities.”
  • county building authorityGeneral

    Minnesota counties may administer and enforce the State Building Code within their jurisdiction by ordinance; this includes a county's authority over residential construction in unincorporated county territory, subject to the statutory limits on code application and local provisions.

    • The statutory authorization is to administer and enforce the State Building Code, rather than a county-specific building code.
    • A county that is not already required by Minnesota Statutes § 326B.121, subdivision 2(a), to administer and enforce the code may elect to do so by ordinance.
    • The State Building Code applies statewide to construction, reconstruction, alteration, repair, and use of buildings and structures governed by the code.
    • The State Building Code does not apply to agricultural buildings except for state inspections or rulemaking authorized by Minnesota Statutes §§ 103F.141, 216C.19, subdivision 9, and 326B.36, and except that translucent panels or other skylights without raised curbs must have equivalent load-bearing capacity as the surrounding roof.
    • A municipality may not require building-code provisions regulating structural components or systems that differ from the State Building Code; with state building official approval, it may adopt a more restrictive ordinance where geological conditions warrant it.
    • A municipality may enforce the State Building Code through lawful means, including contracts with other municipalities or qualified individuals; building-permit fees may be retained or remitted to reimburse them.
    “If a municipality is not required by paragraph (a) to administer and enforce the State Building Code, the municipality may choose to administer and enforce the State Building Code within its jurisdiction by adopting the code by ordinance.”

Set by your town or city, not the county

In Minnesota, zoning is adopted by each town or city, so Cook County has no county-wide answer on these. Find your town or city in the list of places on this page, or call its clerk or zoning administrator.

  • Minimum dwelling size
  • Lot coverage
  • Building height

Still unanswered

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

  • Mandatory utility hookup — Water and sewer utility connection requirements in Cook County.

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 Cook County, Minnesota

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

Cook County scores 64/100 on the Bolthole Index, a strong county profile. Its strengths: deep seclusion — about 654 people within 15 miles and a stronger property-autonomy legal backdrop. Watch-outs: workable self-sufficiency basics (30.3″/yr rainfall).

Do you need a building permit in Cook County, Minnesota?

Cook County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Cook County Land Services (Planning & Zoning). 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.

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

Living in an RV on your own land in Cook County is allowed on a temporary basis only: Recreational vehicle use associated with property purchase and construction in Cook County. The county describes the recreational vehicle permit as a short-duration permit intended to bridge the period between property purchase and construction of a permanent residence. The source does not establish unrestricted long-term RV residence. A tiny home is limited to specific cases. Confirm with the county before relying on it.

How much does land cost in Cook County, Minnesota?

Land in Cook County runs about $7,495 per acre, based on the latest county data.

What is the water situation in Cook County?

Cook County gets about 30.3" of rain a year, with severe drought in roughly 11.7% of years.

How remote is Cook County?

A typical private-land location has about 654 people within 15 miles and 201,409 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

How Cook compares in Minnesota

Compare side-by-side →See all 87 Minnesota counties ranked →