Bolthole Index

Mineral County, Colorado

Building permits, zoning and septic rules in Mineral County, Colorado

51Index Score / 100
#35 of 64 in Colorado

Unincorporated Mineral County, Colorado requires county land-use/build consent for construction, but the county says it has not adopted any International Building Codes12. Submit applications and designs to the Land Use Office at least 30 days before construction; projects without sewer service need an OWTS permit first23. County zoning governs regulated unincorporated land; Creede handles its own building permits and zoning, while OWTS permits remain with the Mineral County Land Use Office4567.

At a glance

Building permit
County land-use/build consent required on unincorporated land; apply at least 30 days before construction12
Building code
Mineral County says it has not adopted any International Building Codes2
Zoning
Yes in regulated unincorporated areas; allowed uses depend on the district4
Septic (OWTS)
Land Use Office administers permits locally under Colorado Regulation 43; approval comes before build consent when the project lacks sewer service783
RV living
County rule not confirmed; ask the Land Use Office before occupying an RV92
Manufactured home
Allowed on individually owned lots in the Mobile Home district; parks are conditional uses10
County-road access
County permission and site approval required for a new approach; application fee is $751112
Owner-builder
State contractor-license exception covers owner-performed repair or maintenance, not a building-permit exemption13

Who to call

Building permits

Mineral County Land Use Office

Land-use/build consent, zoning applications and OWTS questions in Mineral County

(719) 658-2360

deputyadmin@mincocolo.com

1201 N. Main Street PO Box 70 Creede, CO 81130

Septic permits

Mineral County Land Use Office

Mineral County OWTS permit questions and applications

719-658-2360

deputyadmin@mincocolo.com

1201 N. Main Street PO Box 70 Creede, CO 81130

Contact details are copied from each office’s official page and were checked against it on October 10, 2026.

Off-grid gear

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

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Do you need a building permit in Mineral County, Colorado?

Unincorporated Mineral County requires its land-use/build consent before construction, and applications and designs must be submitted at least 30 days before work is planned to begin12. The unusual part is the code distinction: Mineral County says it has not adopted any International Building Codes2. Colorado's owner-builder exception is narrow: where a county has adopted a contractor-licensing program, an owner does not need that contractor license to perform repair or maintenance on the owner's property; the exception does not waive building permits, land-use consent, zoning, electrical, plumbing or septic requirements13. Owners may perform electrical work on their own property if non-maintenance work is inspected, and may perform plumbing work on their own property, subject to the statutes' limits for resale, rental and commercial property1415. For a building or remodel without sewage-treatment service, the local public health agency must issue the OWTS permit before the building permit can be issued3.

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

For unincorporated Mineral County, contact the Mineral County Land Use Office about land-use/build consent and OWTS applications17. The office is at 1201 N. Main Street, PO Box 70, Creede, Colorado 81130; call (719) 658-2360 or email deputyadmin@mincocolo.com2. Inside Creede, the town handles its own building permits; OWTS permits remain with the Mineral County Land Use Office57. Ask the Land Use Office to identify the unincorporated parcel's zoning district before paying for final plans42.

Does Mineral County have zoning?

Mineral County administers zoning in regulated unincorporated areas through 10 districts; the use chart marks a use as permitted or conditional, and a blank box means the use is prohibited in that district4. Inside Creede, the town administers its own zoning; OWTS permits remain with the Mineral County Land Use Office67. Federal land is outside that county zoning jurisdiction4. Colorado also requires counties to regulate subdivisions in unincorporated areas, although a division creating parcels of at least 35 acres each can fall outside the statutory definition when none is intended for multiple-owner use16. In the Mobile Home district, manufactured and mobile homes are allowed on individually owned lots, while manufactured or mobile-home parks are conditional uses10. That district's accessory-dwelling provision expressly covers short-term rental occupancy, limited to one short-term-rental unit per property; it does not confirm unrestricted long-term ADU occupancy17. Parcel-specific minimum lot size, setbacks, lot coverage, building height and minimum dwelling size could not be confirmed, so ask the Land Use Office for the zoning designation and dimensional table before designing or placing a structure2.

How do septic permits work in Mineral County?

Colorado Regulation 43 governs OWTS in Mineral County, while the program's permitting and local administration run through the Mineral County Land Use Office8. The office says every Mineral County OWTS must be designed by a Colorado-licensed professional engineer based on the property's soil content18. For a project without sewage-treatment service, obtain the OWTS permit before the building permit can be issued3. Permitted OWTS work needs a final inspection before use, and a building without sewage-treatment service cannot receive occupancy approval until the local public health agency inspects and approves the installation1920. Only 1.4% of Mineral County soils are rated without severe limitations for a conventional drain field, so make the site evaluation and engineered design an early feasibility test21. New cesspools are prohibited, and off-grid dwellings still need adequate sanitary sewage disposal22.

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

Mineral County's rule for residential RV occupancy or temporary camping on private land could not be confirmed, so ask the Land Use Office about the parcel's district, duration limits, utilities and occupancy during construction before moving an RV onto the property92. A Colorado Division of Housing-regulated tiny home can be approved for long-term living on a permanent or temporary foundation, but it must meet applicable codes and Mineral County zoning and is certified for its approved site23. A manufactured or mobile home has a specific county pathway in the Mobile Home district, where it is allowed on an individually owned lot; a manufactured or mobile-home park is a conditional use10. None of these housing types avoids sewage requirements2224.

What are the steps to build a home in unincorporated Mineral County?

  1. Ask the Land Use Office to confirm the parcel's zoning district and allowed use; if the parcel is being divided, also confirm whether county subdivision review applies4162.
  1. Verify recorded legal access and identify the road authority. A new approach to a Mineral County road needs county permission and site approval; the permit itself does not establish legal access11. Direct access to a Colorado state highway requires a CDOT access permit25.
  1. For county-road access, submit the required site and design information, mark the proposed approach with two flagged lathes, and budget the $75 application fee2612. The standard is an 18-inch corrugated-metal culvert unless the county determines otherwise26.
  1. Every new well diverting groundwater in Mineral County needs a Colorado Division of Water Resources well permit27. A well that does not qualify for a statutory exemption and lacks sufficient priority to divert may be able to operate under a water-court-decreed augmentation plan; confirm the proposed water supply with DWR before committing to construction27.
  1. Hire a Colorado-licensed professional engineer to design the OWTS for the property's soils and obtain the OWTS permit before the building permit if the site lacks sewer service183.
  1. Submit the county application and designs at least 30 days before planned construction12.
  1. Complete the required OWTS final inspection and approval before occupancy if the building lacks sewage-treatment service20.

What should you check before buying land in Mineral County?

Only 20.5% of Mineral County land is at a slope of 15% or less, and only 1.4% of its soils are rated without severe limitations for a conventional septic drain field2821. Confirm a usable building envelope, engineered OWTS feasibility and any floodplain constraint before closing1829. Verify recorded legal access separately from physical access: Mineral County's road-approach permit does not create a legal right to reach the county road11. If acreage was recently split, confirm that the division complied with county subdivision rules; Colorado's 35-acre statutory exclusion has conditions and is not a general exemption for every large tract16. Every new well diverting groundwater in Mineral County requires a DWR well permit; statutory exemptions and water-rights priority determine whether an augmentation plan may be needed27. Federal land covers 93.8% of the county, making access across adjoining land especially important to document30. Mineral County has 1.1 people per square mile, and the nearest city of 100,000 or more is about 131 miles from the county center, so plan realistically for contractors and deliveries3132.

Watch-outs

  • Mineral County requires land-use/build consent even though the county says it has not adopted any International Building Codes12.
  • Mineral County's RV-occupancy and temporary-camping rules could not be confirmed; ask the Land Use Office before using an RV as a residence or construction lodging92.
  • A Mineral County road-approach permit does not establish legal access, so verify the recorded access right before buying or building11.

Sources

  1. Mineral County — Building Permit Information (2026 county census)
  2. Mineral County Land Use Office (mineralcountycolorado.com)
  3. Title 25 - Public Health and Environment - Colorado Revised Statutes 2024, quoted and re-checked
  4. Mineral County Zoning Regulations, quoted and re-checked
  5. Town of City of Creede: Sec. 18-1-10. Establishment of building permit (Mineral County), quoted and re-checked
  6. Town of City of Creede: Creede, CO Code of Ordinances (Mineral County), quoted and re-checked
  7. Mineral County — On-Site Wastewater Treatment System (OWTS) (2026 county census)
  8. Septic - Silver Thread Public Health District, quoted and re-checked
  9. Mineral County — Land Use Regulations (2026 county census)
  10. Mineral County Zoning Regulations, quoted and re-checked
  11. Application for County Road Access, quoted and re-checked
  12. Application for County Road Access, quoted and re-checked
  13. Colorado Revised Statutes 2023, Title 30, quoted and re-checked
  14. Colorado Revised Statutes 2026, Title 12, § 12-115-116 (Colorado statewide rule), quoted and re-checked
  15. Colorado Revised Statutes 2026, Title 12, § 12-155-118 (Colorado statewide rule), quoted and re-checked
  16. Title 30 - Government - County - Colorado Revised Statutes 2026, quoted and re-checked
  17. mineralcountycolorado.com, quoted and re-checked
  18. Mineral County Land Use Office (mineralcountycolorado.com)
  19. Title 25 - Public Health and Environment - Colorado Revised Statutes 2024 (Colorado statewide rule), quoted and re-checked
  20. Title 25 - Public Health and Environment - Colorado Revised Statutes 2024, quoted and re-checked
  21. 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
  22. content.leg.colorado.gov (Colorado statewide rule), quoted and re-checked
  23. Consumers of Manufactured Homes and Tiny Homes - HUD (Colorado statewide rule), quoted and re-checked
  24. Title 25 - Public Health and Environment - Colorado Revised Statutes 2024 (Colorado statewide rule), quoted and re-checked
  25. Access Permits | Frequently Asked Questions (Colorado statewide rule), quoted and re-checked
  26. Application for County Road Access, quoted and re-checked
  27. Water Administration, quoted and re-checked
  28. Share of land at 15% slope or less: Bolthole Index county data
  29. SB24-179 Floodplain Management Program (Colorado statewide rule), quoted and re-checked
  30. Federal land share: Bolthole Index county data
  31. Population density: Bolthole Index county data
  32. Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data

Written October 10, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Like all 6 of its neighbors, Mineral County requires a building permit for a home.

RuleMineral CountyHinsdale CountyRio Grande CountyArchuleta CountySaguache CountySan Juan CountyOuray County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesYesYesYesNoYesYes
Septic permitsCounty Land Use OfficeCounty Building Dept.County Dept. of Building SafetyCounty Water Quality Dept.County Land Use OfficeCounty Env. HealthCounty Land Use Dept.

County locator

Mineral County in Colorado

51
County map
Mineral County highlighted among the Colorado counties · colored by Index score

How Mineral County scores

Seclusion9482% ev.
Self-Sufficiency27100% ev.
Admin Boringness4190% ev.
Durability31100% ev.
Property Autonomy75100% ev.
Carry Cost7796% ev.

Evidence strength: 94%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$456kTypical home
0.4%Property tax
$4,334Land / acre
27.9"Annual rain
27.5% of yrsSevere drought
0 / yr (+0)Mid-century 100°F days
21.7 daysMid-century dry spell
1.92" (+6.4%)Mid-century 1-day rain
1.35×Wildfire change factor
100%Forward climate coverage
$1,690Home insurance / yr
1.4% / yrInsurance growth
1.12%Nonrenewal rate
single ZIP shrunk to state medianInsurance basis
37,684People within 2 hr
753Radius comparison (15 mi)
1.1People / sq mi
93.8%Federal land
20.5%Land at 15% slope or less
1.4%Soils rated "not limited" for septic (strict USDA rating)
6,293 acWorkable land screen
65.5%Wooded land
25.6 tonsBiomass / forest ac
37°FAvg temp

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Cities and towns in Mineral County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Answers from the rulebook for Mineral County

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

Mineral County rules

  • Local zoningPresent (with conditions)

    County-administered zoning in Mineral County's regulated unincorporated areas.

    • Use approval depends on the applicable zoning district and whether the use is classified as permitted or conditional.
    • The regulations state that a blank or empty use-chart box means the use is prohibited in that district.
    • Federal-government lands are excluded under the regulation's jurisdiction provision.

    zoning districts: 10 districts

    “The vertical columns in Table A are the ten (10) Districts created by these regulations in paragraph 1.6 above, shown on the Zoning Map by the abbreviations in paragraph 1.6 and described in Article 2 and throughout these regulations. The letter “P” in a box indicates that a specific use, as noted, within a specific District, as noted, is a Permitted Use. The letter “C” in a box indicates that a specific use, as noted, within a specific District, as noted, is a Conditional Use. A blank or empty box means that specific use in that specific District is prohibited.”
  • Manufactured homesAllowed

    Manufactured (HUD) homes and mobile homes in the Mobile Home (MH) zoning district.

    • Manufactured/mobile homes are allowed on individually owned lots in the MH district.
    • Manufactured/mobile home parks are conditional uses.
    • Development is limited to one-unit dwellings and manufactured or mobile homes.
    • The district's permitted-use list includes one-unit or multi-unit dwellings, including a manufactured (HUD) home or mobile home.
    • Other zoning, wastewater, building-consent, and applicable floodplain requirements may still apply.
    “manufactured/mobile homes will be allowed on individually owned lots”
  • Accessory dwellingsLimited

    Accessory-dwelling use identified in the Mobile Home (MH) district's permitted-use list as short-term rental occupancy.

    • The permitted-use text expressly addresses short-term rentals of an accessory dwelling, not unrestricted accessory-dwelling occupancy.
    • Only one short-term-rental unit is allowed on a property.
    • The excerpt does not establish that every accessory dwelling is independently permitted for long-term occupancy.

    maximum short-term-rental units per property: <= 1 unit

    “(only one STR unit allowed on a property).”
  • Who permits septicMixed (with conditions)

    On-site wastewater treatment systems in Mineral County, including permitting and administration through the Mineral County Land Use Office under Colorado Regulation 43.

    • OWTS are governed by Colorado State Regulation 43.
    • The program operates through county building or land use planning departments.
    • Permit, inspection, and other local requirements apply.
    “The Onsite Wastewater Treatment System program operates through each county building or land use planning department. [...] Mineral County Land Use Office”
  • Driveway accessRequired

    A road-access approach connecting to a Mineral County road.

    • County permission is required to construct the road-access approach.
    • An 18-inch culvert is required unless otherwise determined by the County.
    • The site must be inspected and approved by the County; the application may be denied.
    • The permit does not establish legal access to the County road.

    standard culvert diameter: 18 inches (unless otherwise determined by the County) · culvert extension beyond turning flare: >= 18 inches on each end · application fee: 75 USD

    “Application is hereby made for permission to construct a road access approach to a Mineral County road”
  • Permit feesPublished (with conditions)

    County road-access permit applications in Mineral County.

    • The fee applies to the county road-access application.
    • Issuance of the permit does not create legal access to the County Road; legal access remains the applicant's responsibility.

    county road access application fee: 75 USD

    “There is a $75.00 dollar fee for this application.”
  • Permit processPublished (with conditions)

    Applications for permission to construct a road-access approach to a Mineral County road.

    • The application requires road, property, applicant, contractor, engineer, dimensional, sight-distance, and grade information.
    • All roads should intersect at right angles.
    • An 18-inch diameter corrugated metal pipe culvert is required unless otherwise determined by the County.
    • The culvert must extend at least 18 inches past the private access road turning flare on each end.
    • The proposed access must be marked with two flagged lathes for inspection and approval.
    • The site is examined by the Road Supervisor and Land Use Administrator, and the application may be approved or denied.

    standard culvert diameter: 18 inches (unless otherwise determined by the County) · culvert extension beyond turning flare: >= 18 inches on each end · application fee: 75 USD

    “Mark the proposed access with two flagged lathes (description & ownership on lathes) for inspection and approval by County.”
  • County-wide zoningPresent

    The county administers the Zoning Regulations of Mineral County and processes zoning amendments, conditional use, PUD, and subdivision applications through the Land Use Office.

    Mineral County — Land Use Regulations ↗Scouted from the county site, not yet independently re-checked

Colorado rules that apply here

  • Building permitRequired

    Construction, including adding previously unlicensed space to a Health Facility license, or operational permits for a Colorado-licensed Health Facility located in a jurisdiction with no local Building Department.

    • The Division is responsible for issuing the building permit when no local Building Department exists.
    • Limited Scope Project permits may be used instead of an individual Building, Fire, or Life Safety Code permit for projects identified by the Division.
    • Permit issuance is contingent upon review and approval by the Fire Code Official.
    • The determination of when a building permit is required is based on International Building Code Section 105 requirements, except Sections 105.1.1 and 105.1.2.
    • Substantial changes to the project scope, including adding square footage, require a new permit application.
    • Once all corrections identified through code review are satisfactorily addressed, the Division will issue the permit.

    building permit determination: International Building Code Section 105, except Sections 105.1.1 and 105.1.2 (Substantial changes to project scope require a new permit application.)

    “Under these circumstances, the Division will issue the applicable Building Permits and associated Certificates of Occupancy”
    2 more reviewed findings on this topic
    • Limited — Construction or remodeling of a building or structure in Colorado that is not serviced by a sewage treatment works, including projects in Mineral County.
      “A permit to construct or remodel a building or structure [...] on-site wastewater treatment system”
    • Limited — Construction, renovation, emergency, cash-funded, or in-house-funded projects involving Colorado state buildings and administered through the Department of Personnel and Administration/Office of the State Architect.
      “State Buildings Program (SBP) is responsible for establishing minimum building codes for all construction by state agencies [...] Colorado has no statewide building code”
  • Owner-builder exemptionConditional

    An individual owner performing repair or maintenance work on the owner's property in a Colorado county that has adopted a building-contractor licensing program under C.R.S. § 30-11-125.

    • The statute addresses county building-contractor licensing programs and applies to work in unincorporated county areas when a county has adopted such a program.
    • The exemption is limited to repair or maintenance work on the individual's own property; it does not establish a statewide exemption for constructing a new residence or for all contractor-regulated work.
    • A county may require a building-contractor license for persons engaging in the business of being a building contractor in its unincorporated areas.
    • The statute defines a building contractor as a person who, for compensation, directs, supervises, or undertakes work for which a county building permit is required.
    • The statute source states that § 30-11-125 was effective August 3, 2007, and was amended effective October 1, 2019.
    “Nothing [...] shall be construed to require any individual to hold a license to perform repair or maintenance work on his or her own property”
    3 more reviewed findings on this topic
    • Conditional — Repair or maintenance work on an owner's own property where a county contractor-licensing program exists under Colorado Revised Statutes section 30-11-125.
      “Nothing in this section shall be construed to require any individual to hold a license to perform repair or maintenance work on his or her own property, nor shall it prevent a person from employing an individual on either a full-time or a part-time basis to perform repair or maintenance work on his or her own property who is not licensed under the provisions of this section.”
    • Conditional — An individual performing electrical work on the individual's own Colorado property or residence, including a primary residence, under the statewide electrical licensing statute.
      “Nothing in this article 115 [...] require any individual to hold a license”
    • Conditional — An individual performing plumbing work on the individual's own Colorado property or residence, including a primary residence, under the statewide plumbing licensing statute.
      “Nothing in this article 155 requires an individual to hold a license”
  • Building code adoptedPartial

    Construction at Colorado state agencies and institutions of higher education owned facilities.

    • The approved state building codes are minimum requirements for the specified state-owned facilities.
    • The source states that additional codes, standards, and appendices may be adopted by state agencies and institutions in addition to the listed minimum codes and standards.
    • The statewide source describes Colorado as a local-control state in which most building-code adoption decisions are driven by local governments, not the state.
    • The listed code editions and effective dates are those stated in the retrieved Approved State Building Codes document, which is marked Rev. 9/2023.

    International Building Code edition: 2021 edition (Chapter 1 as amended; Chapters 2-35 and Appendices C and I) · International Residential Code edition: 2021 edition (As applicable) · International Energy Conservation Code edition: 2021 edition (As adopted by the Colorado State Buildings Program and Colorado Energy Office) · National Electrical Code edition: 2023 edition (Effective July 30, 2023) · Colorado Model Electric Ready and Solar Ready Code effective date: 2023-07-01 date · International Plumbing Code edition: 2021 edition (First printing (March 2020); effective May 15, 2023 as adopted by the Colorado Examining Board of Plumbers) · International Fuel Gas Code edition: 2021 edition (First printing; effective May 15, 2023 as adopted by the Colorado Examining Board of Plumbers)

    “These minimum requirements are to be applied to all construction at state agencies and institutions of higher education owned facilities.”
    One more reviewed finding on this topic
    • Partial — Construction at Colorado state agencies and institutions of higher education owned facilities under the Colorado State Buildings Program and other state authorities.
      “Approved building codes and standards are adopted by the Office of the State Architect (herein referred to as State Buildings Program (SBP)) and other state authorities, and are identified below. These minimum requirements are to be applied to all construction at state agencies and institutions of higher education owned facilities.”
  • InspectionsRequired

    All reviewed Colorado State Buildings Program construction projects subject to state building-code compliance review.

    • The policy states that all reviewed construction projects are inspected for building-code compliance.
    • Required inspections are identified on the Building Inspection Record and may include building, special, fire, plumbing, electrical, boiler, elevator, and health-department inspections as applicable.
    • Local fire districts and other state authorities may have separate inspection responsibilities.
    • The policy applies to state buildings and state projects, not uniformly to every private project in Colorado.
    “All reviewed construction projects shall be inspected for building code compliance.”
  • Certificate of occupancyLimited

    Occupancy permits for buildings in Colorado that are not serviced by a sewage treatment works, including buildings in Mineral County.

    • The local public health agency must make a final inspection of the OWTS.
    • The local public health agency must approve the OWTS installation.
    • The rule applies only to buildings not serviced by a sewage treatment works.
    • This statute does not by itself establish when a county must issue a certificate of occupancy for buildings that are serviced by a sewage treatment works.
    “makes a final inspection [...] and [...] approves the installation.”
  • Minimum lot sizeDistrict specific (with conditions)

    County zoning regulations for unincorporated Colorado; the state statute authorizes local district-specific lot-size rules but does not prescribe one statewide minimum.

    • Applies to portions of counties outside incorporated cities and towns.
    • Actual minimum lot sizes must be obtained from the applicable county zoning resolution and district map.
    • Colorado's official planning guidance states that most zoning decisions are driven by local governments, not the state.
    “Colorado is a “local control” state when it comes to land use planning authority (Local Government, 2012). This means that most land use decisions such as adoption of zoning and building codes are driven by local governments, not by the state.”
  • Building heightDistrict specific (with conditions)

    Municipal zoning districts in Colorado where the municipality adopts building-height or story regulations.

    • The applicable height or story limit is determined by the municipality's zoning regulations and district classification.
    • The statute provides authority but no statewide numeric height limit.
    • Height restrictions do not apply to existing buildings under the cited municipal zoning authority, except as stated for new growth of vegetation.

    building height or number of stories: local regulation (No statewide numeric limit specified)

    “the governing body of each municipality is empowered to regulate and restrict the height, number of stories, and size of buildings and other structures”
  • Tiny homesAllowed (with conditions)

    Colorado Division of Housing-regulated tiny homes intended for residential occupancy and long-term living.

    • Plans must be submitted to the Colorado Division of Housing for approval before construction of the units.
    • The unit must satisfy applicable Colorado-adopted codes and standards and local zoning requirements.
    • Tiny home units are certified for the specific site where installed; relocation to another Colorado site requires the applicable design criteria, and design differences require revisions.

    foundation types: permanent or temporary

    “Tiny homes are approved for long term living”
  • Septic permitRequired

    Construction, alteration, installation, repair, or use of an OWTS statewide when the building or structure is not serviced by a sewage treatment works.

    • The permit is issued by the applicable local public health agency under local board-of-health rules.
    • A person may not construct, alter, install, or permit use of an OWTS without first applying for and receiving the required permit.
    • Local boards of health may prohibit OWTS permits in defined areas where additional systems may create a public-health or water-quality hazard.
    “Constructs, alters, installs, or permits the use of any on-site wastewater treatment system without first applying for and receiving a permit as required under this article;”
  • Septic inspectionRequired

    OWTS construction, installation, alteration, or repair statewide before the system is placed in use, plus operating inspections when authorized under applicable rules.

    • A final inspection must occur after permitted work is completed and before the system is placed in use.
    • The local public health agency or its designated professional engineer determines compliance with the permit, statute, and applicable rules.
    • For a building not serviced by a sewage treatment works, an occupancy permit requires final OWTS inspection and local agency approval.
    “Final inspection of a system to be made by the local public health agency or its designated professional engineer after construction, installation, alteration, or repair work under a permit has been completed, but before the system is placed in use, to determine that the work has been performed in accordance with the permit and that the system is in compliance with this article and the rules adopted under this article;”
  • Off-grid sanitationLimited

    Sanitation for dwellings and occupied structures statewide that is provided without connection to a sewage treatment works.

    • The structure must have adequate facilities for sanitary disposal of sewage.
    • An OWTS may be used subject to applicable permit, inspection, construction, installation, alteration, and use requirements.
    • Construction of new cesspools is prohibited.
    • Septage removed during maintenance or cleaning must be disposed of at an approved site and in an approved manner.
    “No person shall construct or maintain any dwelling or other occupied structure that is not equipped with adequate facilities for the sanitary disposal of sewage.”
  • Well permitRequired

    New groundwater wells in Mineral County, subject to statutory exemptions and applicable water-rights conditions.

    • The Colorado Division of Water Resources processes permits to construct new or replacement wells and to register existing wells.
    • Statutory exemptions may apply.
    • If a well does not meet statutory exemptions and its priority date is insufficient to divert in priority, an augmentation plan decreed by the water court may be required.
    • DWR reviews complete applications in the order received; review may take up to 49 days.
    • Additional rules may apply in designated basins or Denver Basin areas.

    complete application review period: <= 49 days (DWR states that review may take up to 49 days.)

    “Every new well in the state that diverts groundwater must have a well permit. If wells do not meet any statutory exemptions and their priority dates are not senior enough to divert in priority, they may be able to operate pursuant to an Augmentation Plan decreed by the water court.”
    2 more reviewed findings on this topic
    • Required — A new groundwater-diverting well in Mineral County, subject to Colorado statutory exemptions and applicable water-rights requirements.
      “Every new well in the state that diverts groundwater must have a well permit. If wells do not meet any statutory exemptions and their priority dates are not senior enough to divert in priority, they may be able to operate pursuant to an Augmentation Plan decreed by the water court.”
    • Required — Every new groundwater-diverting well in Colorado, including residential wells, subject to statutory exemptions and basin-specific rules.
      “Every new well in the state that diverts groundwater must have a well permit.”
  • Mandatory utility hookupConditional

    Residential or other occupied structures statewide that are not serviced by a sewage treatment works.

    • Colorado law conditions building and occupancy permitting on either service by a sewage treatment works or an approved OWTS process.
    • If the structure is not serviced by a sewage treatment works, the local public health agency must issue the OWTS permit before building construction or remodeling approval, and must complete a final inspection and approve the installation before occupancy approval.
    • This claim does not establish a universal statewide mandate to connect to a particular municipal water or sewer provider.
    “A permit to construct or remodel a building or structure that is not serviced by a sewage treatment works until the local public health agency has issued a permit for an on-site wastewater treatment system;”
  • Subdividing landRegulated (with conditions)

    Divisions of land and subdivision regulation in Colorado, including Mineral County, subject to applicable county subdivision regulations and statutory exemptions.

    • A division creating parcels of at least 35 acres each is excluded when none is intended for use by multiple owners.
    • The exclusion also covers divisions producing at least 35 acres per interest, unless the method of disposition is adopted to evade the statute.
    • Other listed exclusions include certain court-created divisions, security instruments, cemetery lots, severed mineral or water interests, joint-tenancy or tenancy-in-common interests treated as one interest, combinations of contiguous parcels, contingent subdivision contracts, and cluster developments.
    • A board of county commissioners may exempt a division if it determines the division is not within the purposes of the statutory planning part.
    • The statute requires timely notice to the county board for certain court-created divisions; the board has 20 days after notice to file an appropriate pleading regarding evasion.

    minimum parcel area for statutory exclusion: >= 35 acres (Each parcel, and no intended multiple-owner use.) · minimum area per interest for statutory exclusion: >= 35 acres per interest (Unless the method of disposition is adopted to evade the statute.) · county response period for certain court-created divisions: 20 days (After timely notice of the pending action.)

    “Every county planning commission in the state shall develop, propose, and recommend subdivision regulations, and the board of county commissioners shall adopt and enforce subdivision regulations for all land within the unincorporated areas of the county in accordance with this section not later than September 1, 1972.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Division of land and creation of interests subject to Colorado county subdivision law.
      “"Subdivision" or "subdivided land" means any parcel of land in the state which is to be used for condominiums, apartments, or any other multiple-dwelling units, unless such land when previously subdivided was accompanied by a filing which complied with the provisions of this part 1 with substantially the same density, or which is divided into two or more parcels, separate interests, or interests in common, unless exempted under paragraph (b), (c), or (d) of this subsection (10).”
  • Building in a floodplainRequired

    Development in floodplain areas subject to Colorado floodplain-management requirements, and state-owned land in counties or municipalities that do not participate in the National Flood Insurance Program.

    • Local floodplain regulations must equal or exceed FEMA National Flood Insurance Program minimum design and construction criteria.
    • Local floodplain regulations must comply with Colorado Water Conservation Board rules and regulations for regulatory floodplains.
    • The state program applies to development on state-owned land in counties and municipalities that do not participate in the National Flood Insurance Program.
    “Local government floodplain management regulations for development in floodplain areas must equal or exceed the federal emergency management agency's national flood insurance program's (national flood insurance program) minimum design and construction criteria and must comply with the Colorado water conservation board's (CWCB) rules and regulations for regulatory floodplains in Colorado.”
  • Short-term rentalsLimited

    Short-term rentals statewide, defined in the cited official source as lodging-unit rentals for fewer than 30 days.

    • There is no statewide STR regulatory scheme.
    • Boards of county commissioners may license and regulate STR owners or agencies and set license fees, terms, issuance, and revocation procedures.
    • Home-rule municipalities and private contracts or homeowners' association covenants may impose additional restrictions.

    maximum rental duration for STR definition: < 30 days

    “There are no statewide regulations regarding STRs. As established through House Bill 20-1093, state law allows for boards of county commissioners (BOCCs) to license and regulate an owner or owner’s agency and to fix the fees, terms, and manner for issuing and revoking licenses.”
  • Campground & park staysAllowed (with conditions)

    Temporary overnight camping, including parking a motor home or traveler, on land and water under the control of Colorado Parks and Wildlife, including state parks and state recreation areas.

    • The source addresses lands and waters under the control of the Division of Parks and Wildlife, not all public or private land statewide.
    • Camping includes parking a motor vehicle, motor home, or traveler for the apparent purpose of overnight occupancy.
    • A commission-issued permit may be required; the statute defines permits to include campground permits and electrical hookup permits.
    • The state may charge fees for required passes or permits for use of any state park or state recreation area where supervision, maintenance, or specified facilities warrant a fee.

    overnight occupancy: true (Camping definition includes the parking of a motor vehicle, motor home, or traveler for the apparent purpose of overnight occupancy.) · permit types: campground permits; electrical hookup permits

    “Develop state parks and state recreation areas suitable for such recreational activities as camping, [...] "Camping" means [...] the parking of a motor vehicle, motor home, or traveler”
  • county zoning authorityGeneral

    Colorado counties adopting zoning plans for all or any part of unincorporated territory.

    • The county planning commission may make the zoning plan; in a county having a county planning commission, it must do so upon order by the board of county commissioners.
    • The zoning plan may regulate districts or zones, including building location, height, bulk, size, lot coverage, lot size, open spaces, population density, building and land uses, and access to sunlight for solar energy devices.
    • The plan may include regulations for uses on or along storm or floodwater runoff channels or basins only when the channel or basin has been designated and approved by the Colorado water conservation board, to lessen or avoid hazards from storm or floodwaters.
    • The statute applies to unincorporated territory and does not describe incorporated cities or towns as within this county zoning grant.
    “zoning all or any part of the unincorporated territory within such county”
  • county building authorityGeneral

    Colorado counties adopting and enforcing building codes and requiring building permits in designated unincorporated areas.

    • A board of county commissioners may adopt a building code in all or part of the county, but the area must not be within the limits of an incorporated city or town.
    • Buildings or structures used solely to shelter agricultural implements, farm products, livestock, or poultry may be excepted from the building code and permit requirement.
    • Before adoption, the county planning commission may designate part or all of the county for the building code upon request from the board of county commissioners; the board must hold a public hearing and publish notice once weekly for four consecutive weeks.
    • After adoption of the building code, construction, reconstruction, alteration, or remodeling in the designated area requires a building permit, except for the agricultural-shelter exception.
    • The board must fix a reasonable schedule of building-permit fees; no permit fee may be charged unless a qualified inspector actually performs an inspection.
    • Plans must conform to the building code, and plans and specifications generally must bear the seal of a Colorado-licensed architect or engineer unless exempted by section 12-120-403.
    • Every county adopting or updating a building code must adopt and enforce an energy code meeting or exceeding one of the three most recent International Energy Conservation Code versions under section 30-28-211.
    • The 2025 amendment to section 30-28-204 is effective January 1, 2026 and adds accessibility requirements for substantially amended or updated county building codes, with an exception for compliant one- and two-family dwellings and townhomes.
    “A board of county commissioners is authorized to adopt ordinances and a building code”

Still unanswered

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

  • Zoning districts — County zoning districts and district regulations in Mineral County, Colorado.
  • Minimum dwelling size — Minimum dwelling-size requirements for residential structures in unincorporated Mineral County.
  • Setbacks — Building and structure setbacks in unincorporated Mineral County.
  • Lot coverage — Lot coverage in unincorporated Mineral County
  • Living in an RV — Long-term or residential RV occupancy on private land in unincorporated Mineral County.
2 more unanswered
  • Camping on your land
  • Agricultural exemption

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.

Water rights & wells in Mineral County

Whether a new home can legally get its own water here — the sub-state groundwater regime, from Colorado’s water agency.

Over-appropriated / declining

The aquifer here is over-appropriated and declining. A domestic well is usually still permit-exempt, but long-term supply is a genuine risk.

Household wellExempt up to a limit

A household obtains water via a permit-exempt small-capacity well (15 gpm) under CRS 37-92-602 outside designated basins or CRS 37-90-105 inside them; on a 35-acre-plus lot limited outside/stock/1-acre irrigation is allowed.

Limit: Household-use-only well: 15 gpm, ≤0.33 acre-ft/yr, indoor only. Domestic well on a 35+ acre tract: 15 gpm, ≤1 acre-ft/yr.

Colorado DWR — Guideline 2023-1, Exempt & Small-Capacity Wells ↗
  • San Luis Valley / Rio Grande Basin (Water Division 3) — groundwater rules & RGWCD subdistrictsmajority of county

    Upper Rio Grande Basin governed by the 2021 Rules Governing Withdrawal of Groundwater in Division 3 and the Rio Grande Water Conservation District subdistricts (No. 1-6 + Trinchera). Confined and unconfined aquifers are over-appropriated; new consumptive appropriations are effectively unavailable, wells must replace injurious depletions, and subdistricts impose pumping curtailment/fees with State-Engineer curtailment for unresolved depletions.

    Colorado DWR — Designated Basins / Division 3 ↗

Prior-appropriation state (first in time, first in right). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Colorado state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.

Living off-grid in Mineral County, Colorado

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

Mineral County scores 51/100 on the Bolthole Index, a solid county profile. Its strengths: deep seclusion — about 753 people within 15 miles and manageable long-term carry cost. Watch-outs: workable self-sufficiency basics (27.9″/yr rainfall) and elevated current hazard exposure.

Do you need a building permit in Mineral County, Colorado?

Mineral County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Mineral County Land Use Office. 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 Mineral County, Colorado?

Land in Mineral County runs about $4,334 per acre, based on the latest county data.

What is the water situation in Mineral County?

Mineral County gets about 27.9" of rain a year, with severe drought in roughly 27.5% of years. On water rights, Mineral County lies in the San Luis Valley / Rio Grande Basin (Water Division 3) — groundwater rules & RGWCD subdistricts — Upper Rio Grande Basin governed by the 2021 Rules Governing Withdrawal of Groundwater in Division 3 and the Rio Grande Water Conservation District subdistricts (No. 1-6 + Trinchera). Confined and unconfined aquifers are over-appropriated; new consumptive appropriations are effectively unavailable, wells must replace injurious depletions, and subdistricts impose pumping curtailment/fees with State-Engineer curtailment for unresolved depletions..

How remote is Mineral County?

A typical private-land location has about 753 people within 15 miles and 412,740 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

How Mineral compares in Colorado

Compare side-by-side →See all 64 Colorado counties ranked →