Bolthole Index

Camas County, Idaho

Building permits, zoning and septic rules in Camas County, Idaho

59Index Score / 100
#25 of 44 in Idaho

Unincorporated Camas County, Idaho requires a building permit for every dwelling, regardless of size, and enforces an adopted building code12. County zoning sets district-specific uses, lot sizes, setbacks, height and coverage limits34567. Septic permits for new and repaired systems come separately from South Central Public Health District, not from the county building or planning offices89.

At a glance

Building permit
Required for every dwelling regardless of size; exceptions may apply where the building code exempts a permit1
Zoning
County zoning has 11 zones and 2 overlays; lot area, yards, dwelling height and coverage depend on the district10456711
Septic permit
Required for new and repaired systems; issued by South Central Public Health District89
Septic soils
0% of the county's soils show no severe limitations for a conventional drain field12
RV occupancy
RV parks are designated uses in the Commercial District and need conditional-use approval in the A-80, A-40 and Agricultural Transition districts; a single RV residence remains unconfirmed1314151617
Manufactured homes
Treated as a single-family dwelling only when applicable county, HUD and rehabilitation requirements are met181920
Well drilling
Requires an IDWR drilling permit and a licensed driller before you drill21
Owner-builder
An owner working on their own Idaho land may be exempt from contractor registration, but not from required permits or inspections222324

Who to call

Building permits

Camas County Building Department

Building permits, inspections, demolition and temporary building permits for Camas County

(208) 764-1455

building@camascounty.id.gov

517 Soldier Road, P.O. Box 430, Fairfield, ID 83327

Zoning

Camas County Planning and Zoning Office

Zoning permits, the zoning ordinance and map, conditional use permits and subdivision review for Camas County

208-764-2046

pz@camascounty.id.gov

517 Soldier Road, P.O. Box 430, Fairfield, ID 83327

Health department

South Central Public Health District - Environmental Health (Septic)

Septic system permitting, site evaluations and septic records for Camas County, since South Central Public Health District administers Idaho's septic rules for the county

septic@phd5.id.gov

Online permits →

Roads & driveways

Camas County Road and Bridge Department

County roads, bridges and winter maintenance for Camas County

208-764-2271

camascountyrb@gmail.com

120 Willow Avenue West, P.O. Box 430, Fairfield, ID 83327

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

Going off-grid in Camas 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 Camas County, Idaho?

Yes. Unincorporated Camas County requires a building permit for every dwelling, no matter its size1. Other regulated buildings, structures and changes of use also require permits unless the adopted building code exempts the work; starting before issuance can trigger an additional fee, and the permit is conditioned on work beginning within 180 days25. Camas County adopted the 2018 International Building Code, with a structural-engineering-plan exception for specified storage and utility buildings that still must meet that code2. Failure to obtain a required building permit, certificate of occupancy or letter of compliance violates the county ordinance26. Electrical, plumbing and HVAC work may require separate trade permits from the state or an administering local jurisdiction27.

Who is the Camas County Building Department, and how do you reach them?

The Camas County Building Department is the first stop for building permits and inspections28. Reach the Building Department at (208) 764-1455 or building@camascounty.id.gov, or visit 517 Soldier Road, P.O. Box 430, Fairfield, ID 8332728. Camas County publishes a building-permit fee schedule and requires applicable application or appeal fees to be paid before action is taken; ask the Building Department for the project total2928. Building permits other than agricultural buildings require a deposit of 10% of the final permit value, with a $100 minimum and $500 maximum, returned once the final inspection certificate, Certificate of Occupancy or letter of completion is issued and forfeited if none is issued within 36 months30. The county publishes building-permit applications, guidelines and inspection checklists; requirements vary by project31. Applications require project-specific property, zoning, plan, utility and site information; the Building Official acts within 30 days after receiving an application, and an issued permit is conditioned on work starting within 180 days32. The Planning and Zoning Office handles zoning questions and applications; reach it at 208-764-2046 or pz@camascounty.id.gov at the same Fairfield address33. Subdivision and clustered dwelling development are regulated, so ask Planning and Zoning about approval before dividing or clustering land343533.

Does Camas County have zoning?

Unincorporated Camas County has 11 zoning districts and 2 overlays tied to the official zoning map1036. Inside Fairfield, the city sets zoning; septic permits remain with South Central Public Health District378. Camas County’s district rules set minimum lot area per dwelling, front, rear, interior-side and street-side yards, maximum dwelling height and maximum lot coverage; ask Planning and Zoning for the parcel’s district standards before drawing a site plan456733. Development near water bodies generally must remain at least 50 feet from the mean high-water mark unless an ordinance exception applies38. Where the accessory-building provision applies, principal and detached accessory buildings together may cover no more than 30% of the lot39. Agriculture and Agriculture Transition districts allow an additional dwelling unit on lots of 2.5 acres or larger, with no limit on that unit’s size; other zoning, building and health requirements still apply40. Camas County has no current flood plain overlay map, so ask Planning and Zoning how flood risk is handled for the parcel4133.

How do septic permits work in Camas County?

South Central Public Health District issues permits for new and repaired septic systems in Camas County89. An application, fee, site plan and soil review are required before a valid permit is issued; acceptance of an application is not itself a permit9. Camas County's mapped soils rate 0% without severe limitations for a conventional drain field, so obtain the site evaluation before fixing the house location12. A system cannot receive wastewater until the required final installation inspection; if preparation is needed, provide at least 48 hours' notice, excluding weekends and holidays42. A septic permit may be denied where public or central wastewater treatment is reasonably accessible, but Idaho has no universal sewer-connection mandate for every property43. Send septic and land questions to septic@phd5.id.gov44.

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

We could not confirm that a single RV may be occupied as a residence on private land in Camas County; ask Planning and Zoning before placing or occupying one4533. An RV park is a designated use in the Commercial District, while campgrounds and RV parks need conditional-use approval in the A-80, A-40 and Agricultural Transition districts; the agricultural-district rules concern parks with two or more travel trailers, not one RV on a private parcel1314151617. We also could not confirm a general tiny-home occupancy rule or minimum dwelling floor area; ask Planning and Zoning before relying on either use4533. Every dwelling needs a building permit regardless of size1. A manufactured home counts as a single-family dwelling only if it meets other county requirements and has a HUD approval sticker; a mobile home older than July 1, 1976 also needs rehabilitation certification, and a pre-1976 home that fails Idaho building-safety and HUD standards is not allowed201819.

Building a home in Camas County: the steps, in order

  1. Ask Camas County Planning and Zoning for the mapped district, allowed use, minimum lot size, setbacks, height and coverage limits104638473933.
  2. Contact South Central Public Health District for the septic evaluation and permit before fixing the building site489.
  3. Use the county's published application and guidelines to submit the project-specific property, zoning, plan, utility and site information; every dwelling needs a permit regardless of size3132128.
  4. Obtain required electrical, plumbing and HVAC permits from the authority administering each trade program27.
  5. Obtain an IDWR drilling permit and use an IDWR-licensed driller before drilling a well49.
  6. Confirm driveway standards with the county; if access enters a state highway, obtain an ITD encroachment permit5051.
  7. Complete required inspections and obtain any occupancy or completion document the Building Department requires before use2628.

What to check before you buy land in Camas County

Start with zoning and septic feasibility: district rules control lot size, setbacks and coverage, while 0% of mapped soils rate without severe limits for a conventional drain field46383912. About 44% of county land has a slope of 15% or less, and 30.1% is wooded, so inspect parcel-level topography and clearing needs5253. Federal land covers 64.6% of Camas County, so verify legal access instead of assuming a route across public land54. For county-road access, ask whether the district's driveway standard applies; access onto a state highway requires an ITD encroachment permit5051. A private well requires an IDWR drilling permit and licensed driller49.

Watch-outs

  • A county driveway standard is established only for the Commercial District and other districts that repeat it; ask Planning and Zoning and Road and Bridge which access standard applies to the parcel503355.
  • An owner doing construction on the owner's own Idaho land may be exempt from contractor registration if the property is not intended for sale within 12 months, but Camas County permits and inspections still apply; ask the Building Department what the project requires222428.
  • Camas County's soils are unusually poor for conventional septic; treat a septic evaluation from South Central Public Health District as a due-diligence step before you make an offer, not after1244.

Sources

  1. Planning and Zoning – Camas County, Idaho, quoted and re-checked
  2. Camas Commissioner Meeting Minutes, quoted and re-checked
  3. Camas County Zoning Ordinance, quoted and re-checked
  4. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  5. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  6. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  7. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  8. phd5.idaho.gov, quoted and re-checked
  9. phd5.idaho.gov, quoted and re-checked
  10. Planning and Zoning – Camas County, Idaho, quoted and re-checked
  11. Camas County Zoning Ordinance, quoted and re-checked
  12. 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
  13. Camas County Zoning Ordinance, Title 2, Ordinance #169, quoted and re-checked
  14. Camas County Zoning Ordinance, Title 2, Ordinance #169, quoted and re-checked
  15. Camas County Zoning Ordinance, Title 2, Ordinance #169, quoted and re-checked
  16. Camas County Zoning Ordinance, Title 2, Ordinance #169, quoted and re-checked
  17. Camas County Zoning Ordinance, quoted and re-checked
  18. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  19. Camas County Zoning Ordinance, quoted and re-checked
  20. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  21. Wells Overview (Idaho statewide rule), quoted and re-checked
  22. Contractors Archives - Division of Occupational and Professional Licenses, quoted and re-checked
  23. Frequently Asked Questions (FAQ) - Division of Occupational and Professional Licenses (Idaho statewide rule), quoted and re-checked
  24. How To Purchase a Trade Permit (Idaho statewide rule), quoted and re-checked
  25. Planning and Zoning – Camas County, Idaho, quoted and re-checked
  26. Camas County Zoning Ordinance, quoted and re-checked
  27. Frequently Asked Questions (FAQs) - Division of Occupational and Professional Licenses (Idaho statewide rule), quoted and re-checked
  28. Camas County Building Department (camascounty.id.gov)
  29. Building Department – Camas County, Idaho, quoted and re-checked
  30. Building Department – Camas County, Idaho, quoted and re-checked
  31. Building Department – Camas County, Idaho, quoted and re-checked
  32. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  33. Camas County Planning and Zoning Office (camascounty.id.gov)
  34. Planning and Zoning – Camas County, Idaho, quoted and re-checked
  35. Camas County Zoning Ordinance, quoted and re-checked
  36. Camas County Zoning Ordinance, quoted and re-checked
  37. Fairfield: official source (Camas County), quoted and re-checked
  38. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  39. Camas County Zoning Ordinance, quoted and re-checked
  40. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  41. Adopted Zoning Ordinance Revised 2023, quoted and re-checked
  42. IDAPA 58.01.03 Individual/Subsurface Sewage Disposal Rules (Idaho statewide rule), quoted and re-checked
  43. IDAPA 58.01.03 Individual/Subsurface Sewage Disposal Rules (Idaho statewide rule), quoted and re-checked
  44. South Central Public Health District - Environmental Health (Septic) (phd5.idaho.gov)
  45. Planning and Zoning – Camas County, Idaho (2026 county census)
  46. Camas County Zoning Ordinance, Revised 2023, quoted and re-checked
  47. Camas County Zoning Ordinance, quoted and re-checked
  48. Health Inspections — South Central Public Health District, quoted and re-checked
  49. Wells Overview, quoted and re-checked
  50. Camas County Zoning Ordinance, quoted and re-checked
  51. Types of Right-of-Way Encroachment Permits (Idaho statewide rule), quoted and re-checked
  52. Share of land at 15% slope or less: Bolthole Index county data
  53. Wooded share of land: Bolthole Index county data
  54. Federal land share: Bolthole Index county data
  55. Camas County Road and Bridge Department (camascounty.id.gov)

Written October 12, 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, Camas County has countywide zoning.

RuleCamas CountyGooding CountyElmore CountyLincoln CountyBlaine CountyCuster CountyBoise County
Building permitRequiredRequiredRequiredRequiredRequiredLimitedRequired
County zoningYesYesYesYesYesYesYes
Septic permitsSouth Central Public Health DistrictSouth Central Public Health DistrictCentral District HealthSouth Central Public Health DistrictSouth Central Public Health DistrictEastern Idaho Public HealthCentral District Health

County locator

Camas County in Idaho

59
County map
Camas County highlighted among the Idaho counties · colored by Index score

How Camas County scores

Seclusion83100% ev.
Self-Sufficiency36100% ev.
Admin Boringness3890% ev.
Durability39100% ev.
Property Autonomy90100% ev.
Carry Cost8096% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$394kTypical home
0.4%Property tax
$2,055Land / acre
22.6"Annual rain
14.1% of yrsSevere drought
1 / yr (+1)Mid-century 100°F days
31.8 daysMid-century dry spell
1.49" (+5.5%)Mid-century 1-day rain
1.17×Wildfire change factor
100%Forward climate coverage
$1,364Home insurance / yr
2.8% / yrInsurance growth
2.4%Nonrenewal rate
single ZIP shrunk to state medianInsurance basis
1,160Radius comparison (15 mi)
1.1People / sq mi
64.6%Federal land
44%Land at 15% slope or less
0%Soils rated "not limited" for septic (strict USDA rating)
165 acWorkable land screen
30.1%Wooded land
36.6 tonsBiomass / forest ac
41.7°FAvg temp

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Cities and towns in Camas 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 Camas County

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

Camas County rules

  • Building permitRequired

    Buildings, structures, and changes of use governed by the Camas County zoning ordinance.

    • The zoning ordinance exempts work exempted from a permit by the International Building Code.
    • Work begun before permit issuance is subject to an additional fee.
    • Permits are conditional upon commencement within 180 days.

    permit commencement deadline: 180 days (The ordinance states permits become conditional upon commencement within 180 days.)

    “ALL DWELLINGS REQUIRE A BUILDING PERMIT NO MATTER THE SIZE.”
    One more reviewed finding on this topic
  • Building code adoptedAdopted (with conditions)

    County building-code administration, including structural-engineering exceptions for specified building types.

    • Ordinance 182 adopted the 2018 International Building Code.
    • S-1, S-2, and utility buildings are exempt from the requirement for structural engineering plans, but must follow the 2018 building-code requirements.

    building code edition: 2018 International Building Code (S-1, S-2, and utility buildings exempt from structural engineering plans)

    “Ordinance 182 will update section #1 in ordinance 160 to adopt 2018 International Building Code”
  • Certificate of occupancyRequired

    Buildings and structures subject to the Camas County zoning and building-permit ordinance.

    • Failure to obtain a building permit or certificate of occupancy is a violation.
    • Agricultural-building inspection certificates and letters of completion appear as alternatives in the deposit-return provision.
    “Failure to obtain a building permit or certificate of occupancy or letter of compliance shall be a violation of this ordinance.”
  • County-wide zoningPresent

    Camas County zoning ordinance and official zoning map.

    • District-specific dimensional, use, and conditional-use rules apply.
    “AN ORDINANCE PROVIDING FOR THE ESTABLISHMENT OF ZONING REGULATIONS WITHIN CAMAS COUNTY”
    One more reviewed finding on this topic
    • Present (with conditions) — County zoning regulations and zoning districts in Camas County.
      “Camas County, is hereby divided into eleven (11) zones and two (2) overlay districts”
  • Local zoningPresent

    County-administered zoning in Camas County, including district regulations and the official zoning map.

    • Municipal area-of-impact or incorporated-city rules may also apply where applicable.
    “This ordinance shall be known and may be cited to as the "Title 2, Zoning Ordinance of Camas County, Idaho".”
    One more reviewed finding on this topic
    • Present (with conditions) — Camas County zoning administered through the county Planning and Zoning Commission and Administrator.
      “Therefore, Camas County has established Zoning Districts”
  • Zoning districtsPublished

    Camas County zoning districts and overlay districts.

    • The ordinance lists eleven zones and two overlay districts, and the county planning page publishes a zoning map link.

    number of zones: 11 districts · number of overlay districts: 2 districts

    “Camas County, is hereby divided into eleven (11) zones and two (2) overlay districts”
    One more reviewed finding on this topic
    • Published — Camas County zoning districts and official zoning map.
      “The districts established in Article IV of this ordinance as shown on the Official Zoning Map, together with all explanatory matter thereon, are hereby adopted as part of this ordinance.”
  • Minimum dwelling sizeNone

    Additional dwelling units in Camas County Agriculture Districts and Agriculture Transition Districts.

    • The additional dwelling unit must be constructed on a lot of 2.5 acres or larger.
    • The ordinance's statement concerns additional dwelling units and does not establish a countywide minimum size rule for every dwelling type.
    • Other applicable county zoning, building-code, septic, and health requirements still apply.

    minimum lot size: >= 2.5 acres (Applies to the additional dwelling unit rule.)

    “Additional Dwelling Units: Agriculture Districts and Agriculture Transition Districts allow for one Additional Dwelling Unit constructed on lots 2.5 acres or larger. Additional Dwelling Units shall have no limit on the size of the unit.”
  • Minimum lot sizeDistrict specific (with conditions)

    Minimum lot area per dwelling unit by Camas County zoning district.

    • The ordinance's dimensional table and district-specific regulations control; agricultural districts include acreage-based requirements.
    “OFFICIAL HEIGHT AND AREA REGULATIONS MINIMUM YARD REQUIREMENTS [...] MAXIMUM LOT COVERAGE % [...] MINIMUM LOT AREA PER DWELLING UNIT”
    One more reviewed finding on this topic
  • SetbacksDistrict specific (with conditions)

    Minimum yard and setback requirements by Camas County zoning district.

    • The ordinance's official height and area regulations include front, rear, interior-side, and street-side yard requirements.
    “OFFICIAL HEIGHT AND AREA REGULATIONS MINIMUM YARD REQUIREMENTS [...] FRONT REAR INTERIOR SIDE STREET SIDE”
    One more reviewed finding on this topic
    • Specified — Buildings and land uses in Camas County zoning districts.
      “All development including land disturbing activities that is not exempted below shall be setback a minimum of 50 feet from rivers, streams, lakes, reservoirs, ponds and other water bodies.”
  • Lot coverageDistrict specific (with conditions)

    Maximum lot coverage by Camas County zoning district.

    • The official height and area regulations contain a maximum lot-coverage column.
    “OFFICIAL HEIGHT AND AREA REGULATIONS MINIMUM YARD REQUIREMENTS [...] MAXIMUM LOT COVERAGE % [...] MINIMUM LOT AREA PER DWELLING UNIT”
    2 more reviewed findings on this topic
    • Specified — Accessory buildings in Camas County zoning districts where the district provisions impose the stated coverage limit.
      “Detached accessory use buildings may be constructed provided that such buildings plus the principal building shall not occupy more than thirty percent (30%) of the total lot area”
    • Specified — Buildings in Camas County zoning districts.
      “A-5 35’ 60’ from CL 30’ 30’ 50’ from CL 30% 5 ACRES”
  • Building heightDistrict specific (with conditions)

    Maximum dwelling height by Camas County zoning district.

    • The official height and area regulations contain a dwelling maximum-height column.
    “OFFICIAL HEIGHT AND AREA REGULATIONS MINIMUM YARD REQUIREMENTS [...] DWELLING MAXIMUM HEIGHT [...] FRONT REAR INTERIOR”
    One more reviewed finding on this topic
    • Specified — Height controls in Camas County zoning districts and for specified towers.
      “In the Agricultural Zone A-20, towers are allowed to be over 35 feet in height with approval of the Camas County Fire Marshall and a conditional use permit.”
  • Living in an RVTemporary only (with conditions)

    Campgrounds and RV parks in Camas County A-80 Agricultural, A-40 Agricultural, and AT Agricultural Transition districts.

    • Campgrounds and RV parks are listed as conditional uses and require conditional-use approval.
    • The proposed use must be determined appropriate for the location and must not adversely affect adjoining developed land.
    • Approval may impose special or additional sanitation facilities, landscaping, developed recreation facilities, reduced density, maintenance standards, and parking.
    • The ordinance defines a travel-trailer park as a site with two or more travel trailers maintained for dwelling purposes on a temporary basis and equipped with sanitary facilities; the Board may require other public-convenience items.
    • Other provisions of Title 2 apply.
    • The ordinance identifies itself as Ordinance #169, adopted December 27, 2016, published December 28, 2016, and revised 2023.

    minimum travel trailers for a travel-trailer park: >= 2 trailers · occupancy duration: temporary basis

    “maintained for dwelling purposes on a temporary basis [...] Campgrounds and RV Parks”
    5 more reviewed findings on this topic
    • Allowed — Public-private campgrounds and RV parks in Camas County's Commercial (C) District.
      “The purpose of this Zone is to provide for areas that will fulfill the need for travel-related services, retail sales and professional offices, neighborhood or local commercial services throughout the County, and encourage the grouping together of light industrial uses capable of being operated under such standards as to location and appearance of buildings and the treatment of the land about them, that they will be unobtrusive and not detrimental to surrounding property owners.”
    • Allowed (with conditions) — Campgrounds and RV Parks in Camas County's A-80 Agricultural 80-or-more-acre district; the ordinance's travel-trailer-park definition requires two or more travel trailers.
      “2-4A-4: CONDITIONAL USES: These items may be approved as a conditional use provided they are determined to be an appropriate use of land at the proposed location and provided they will not have an adverse effect upon adjoining developed land. [...] Campgrounds and RV Parks”
    • Allowed (with conditions) — Campgrounds and RV Parks in Camas County's A-40 Agricultural 40-acre district; the ordinance's travel-trailer-park definition requires two or more travel trailers.
      “2-4B-3: CONDITIONAL USES: These items may be approved as a conditional use provided they are determined to be an appropriate use of land at the proposed location and provided they will not have an adverse effect upon adjoining developed land. [...] Campgrounds and RV Parks”
    • Allowed (with conditions) — Campgrounds and RV Parks in Camas County's Agricultural Transition (AT) district; the ordinance's travel-trailer-park definition requires two or more travel trailers.
      “2-4G-3: CONDITIONAL USES: These items may be approved as a conditional use provided they are determined to be an appropriate use of land at the proposed location and provided they will not have an adverse effect upon adjoining developed land. [...] Campgrounds and RV Parks”
    • Allowed — Public-private campgrounds and RV parks in Camas County's Commercial (C) district.
      “2-4J-2: PRINCIPAL DESIGNATED USES: [...] Public-private campgrounds, RV parks”
  • Manufactured homesLimited

    Manufactured and mobile homes in Camas County zoning districts.

    • Manufactured homes must meet applicable county-code requirements and have a HUD approval sticker.
    • A mobile home older than July 1, 1976 requires a mobile-home rehabilitation certification under Idaho Code chapter 44, title 25.
    • Pre-1976 manufactured homes must meet Idaho Department of Building Safety and HUD standards or are not allowed in Camas County.

    mobile home rehabilitation certification threshold: July 1, 1976

    “All manufactured homes built before 1976 must meet the State of Idaho’s Department of Building Safety Standards, and HUD Standards, or not be allowed in Camas County.”
    2 more reviewed findings on this topic
    • Limited — Manufactured and mobile homes in Camas County.
      “Manufactured Homes (including Mobile Homes/Trailer Houses): a. All manufactured homes built before 1976 must meet the State of Idaho’s Department of Building Safety Standards, and HUD Standards, or not be allowed in Camas County. This is in regard to electrical, plumbing and installation of stabilizing systems.”
    • Limited — Manufactured homes, including mobile homes and trailer houses, in Camas County.
      “All manufactured homes built before 1976 must meet the State of Idaho’s Department of Building Safety Standards, and HUD Standards, or not be allowed in Camas County.”
  • Who permits septicLocal

    Subsurface sewage disposal permitting and related environmental-health administration for Camas County.

    • South Central Public Health District covers Camas County among its listed counties.
    “Environmental Health Specialists review applications and issue permits for new and repaired subsurface sewage disposal systems (septic tanks).”
    One more reviewed finding on this topic
    • Local — Septic permitting and installer licensing for Camas County within the South Central Public Health District service area.
      “South Central Public Health District serves Blaine, Camas, Cassia, Gooding, Jerome, Lincoln, Minidoka, and Twin Falls counties.”
  • Septic permitRequired

    New and repaired subsurface sewage disposal systems serving property in Camas County.

    • Applications, fees, site plans, and soil-data review are required before a valid permit is issued.
    • The application states acceptance does not itself constitute a permit.
    • Older systems may lack records because septic permits were not required before 1971.
    “All plans and specifications for the construction of new sewage systems …shall be submitted to and approved by the department…before construction may begin.”
  • Subdividing landRegulated (with conditions)

    Subdivision and clustered dwelling-unit development in Camas County.

    • Clustered dwelling units are subject to the Camas County Subdivision Ordinance.
    • A subdivision application may involve county and municipal planning review depending on the project.
    “Agricultural property owners with a quarter section of contiguous acres or more, have the option of “clustering” (See “Cluster” definition Chapter 2) dwelling units. The clustering of dwelling units is subject to the Camas County Subdivision Ordinance.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision and land development in Camas County.
      “Original parcel or first split proven by applicant if not in subdivision or PUD.”
  • Driveway accessRequired

    Driveways entering and exiting property in the Camas County Commercial District and other districts containing the same standard.

    • Driveways must conform to the latest edition of the Camas County Idaho Street Construction Standards.
    “All driveways entering and exiting the property shall conform to the latest addition of the Camas County Idaho Street Construction Standards.”
  • Building in a floodplainLimited

    Development within a Camas County flood plain overlay zone, including floodway and floodway fringe areas, if the County establishes such an overlay map.

    • Camas County does not currently have a Flood Plain Overlay Map; if established, it will be superimposed over other zoning districts.
    • Uses must be permitted in the underlying district, and structures used for those activities require Governing Board approval under the conditional-use-permit procedure and must be deemed appropriate for location within the floodway or floodway fringe.
    • Conditional uses include man-made fills, dikes, or levees approved by the Board.
    • Applicants for structures must supply detailed engineering data and bear the burden of proving that structures can be located on plateaus, benches, man-made fills, or otherwise elevated to avoid floodwater impacts.
    • Sewer and water systems must be approved by the District Health Department or other department with jurisdiction.
    • No building or structure may be erected, and no existing building or structure may be extended or moved, unless its main floor is at least two feet above the elevation subject to flooding.
    • Basement floors may not be below the two-foot safety margin, and foundations must be designed and constructed to withstand site flood conditions.
    • Other structures must not be subject to substantial flood damage or increase flood-related damages on other lands; structures readily removable during high water may qualify.
    • The Board may require modification of waste-disposal and water-supply facilities; limits on periods of use and operation; deed restrictions; placement and arrangement of structures to avoid hazardous increases in flood heights; channel modifications, dikes, levees, or other protective measures; survey benchmarks; and floodproofing measures.
    • Flammable, toxic, or otherwise injurious materials or equipment if transported by flood waters are prohibited. Other materials or equipment are permissible only when they have low damage potential and are available after forecasting and warning.
    • The Board must consider cumulative effects of encroachments on flood heights, and flood-resistant construction materials must be used for portions of structures subject to flooding.
    • Height, yard, setback, minimum-lot-area, sign, vision-clearance, and parking restrictions remain those of the specific underlying district.
    • It is unlawful to erect, alter, maintain, or establish any building, use, or occupancy not permitted or allowed by the overlay provisions, except existing nonconforming uses may continue as provided in the ordinance.

    minimum main-floor elevation above flood elevation: >= 2 feet (No basement floor may be below this two-foot safety margin.)

    “County does not currently have a Flood Plain Overlay Map [...] structures used in carrying out those permitted activities must be approved by the Governing Board”
  • Permit feesPublished (with conditions)

    Camas County building permits and associated inspection or certification costs administered under the county building-permit process.

    • The County Building Department publicly links a Permit Fee Schedule.
    • All building permits, excluding agricultural buildings, require a monetary deposit in addition to other required costs and fees for necessary inspections or certifications.
    • The deposit equals 10% of the final value of the building permit, subject to a $100 minimum and $500 maximum.
    • The deposit is returned after issuance of the applicable final inspection certificate, Certificate of Occupancy, or letter of completion.
    • If the applicable certificate has not been issued within 36 months after permit issuance, the deposit is forfeited to Camas County without further notice or hearing.
    • A written appeal may be made to the Planning and Zoning Commission within 30 days after forfeiture; extensions are limited to no more than 12 months from the original forfeiture date and a maximum of two extensions.
    • The zoning ordinance states that the Board establishes the schedule of fees, charges, and expenses and may alter or amend it only by Board action; all applicable fees must be paid before action is taken on an application or appeal.

    final inspection or certification deposit: 10 percent of final permit value (Excludes agricultural buildings.) · minimum deposit: 100 USD · maximum deposit: 500 USD · certificate deadline before forfeiture: 36 months after permit issuance

    “Building Department Information and Printable Documents [...] Fee Schedule – Permit Fee Schedule”
    One more reviewed finding on this topic
    • Published (with conditions) — Building and zoning permit applications administered by Camas County, including related amendments, appeals, variances, conditional use permits, plan approvals, inspections, and other enforcement-related matters.
      “Building Department Information and Printable Documents [...] Fee Schedule – Permit Fee Schedule”
  • Permit processPartial

    County building and zoning permit applications.

    • Building applications must include specified property, use, zoning, plans, height, parking, dwelling-unit, sewer/water, parcel, wildland-fire, weed-management, and energy-code information as applicable.
    • The Building Official acts within thirty days after receipt of an application; permits are conditional on work commencing within 180 days.

    application decision period: 30 days · permit commencement deadline: 180 days (Extensions may be granted in writing for periods of not more than 180 days each.)

    “The application for a building shall be signed by the owner or applicant attesting to the truth and exactness of all information supplied on the application. Each application shall clearly state that the permit shall expire and may be revoked if work has not begun or is substantially completed within one hundred and eighty (180) days. At minimum, the application shall contain the following information; the Commission or the Building Administrator may waive any of the following items if it is determined that such information is not needed to evaluate a particular application: [...] Proposed sewer and water facilities. [...] Wildland Fire Hazard Mitigation Plan requirements [...] Weed Management Plan will be submitted to Camas Creek Cooperative Weed Management Area. [...] Residential Energy Code Certification or Reschek.”
    One more reviewed finding on this topic
    • Published — County building and planning permit application process information.
      “Commercial Building Permit Application [...] Building Permit GUIDELINES [...] Residential Building Permit Application [...] Final Residential Inspection Checklist”

Idaho rules that apply here

  • Owner-builder exemptionConditional

    Homeowners personally performing plumbing work on their own residential premises in Idaho.

    • The homeowner must own the residential property and personally perform the permitted work.
    • The homeowner permit is valid only for a primary or secondary residence and associated outbuildings.
    • Associated outbuildings must not be used for commercial purposes or rented by a tenant.
    • The homeowner must accept responsibility for all work performed.
    • All work must be inspected by the Division of Occupational and Professional Licensing.
    • A plumbing permit must be obtained by application to the Division.
    • The application must be submitted with payment.
    • The application form states that an additional $65 fee may be assessed if the location is not clearly provided by directions or an attached map.
    • The application was revised 8/17/2022; this revision date is not treated as an effective date.

    unclear-location fee: 65 USD (May be assessed if the location is not clearly given by directions or an attached map.)

    “I certify that I am the owner of the residential property and will personally perform the work covered by this permit.”
    5 more reviewed findings on this topic
    • Conditional — An owner performing construction on the owner's own land in Idaho, including Camas County, for purposes of Idaho contractor registration.
      “Owners: Owners who do their own work on their own land and do not intend to sell the property within 12 months are exempt from registration.”
    • Available — An owner performing their own construction work on the owner's own land in Idaho.
      “A: Any person who engages in a construction job with a dollar amount exceeding $2000.00 (materials & labor) and is not otherwise exempt (The exemptions are listed below); [...] Owners: Owners who do their own work on their own land and do not intend to sell the property within 12 months are exempt from registration.”
    • Conditional — An Idaho homeowner undertaking construction or trade work for which a state-administered permit process applies.
      “Public (Homeowners Only) [...] *Public: “Homeowner” is pre-selected. [...] Once payment is processed, you may choose “Request Inspection” and/or “Print Permit””
    • Conditional — Owners performing construction work on their own land in Idaho under the state contractor-registration system.
      “Owners who do their own work on their own land and do not intend to sell the property within 12 months are exempt from registration.”
    • Conditional — Homeowners personally performing electrical work on a primary or secondary residence and related outbuildings in Idaho.
      “Homeowners may purchase a permit only when they themselves are doing electrical work on their primary or secondary residence and/or related outbuildings.”
  • InspectionsRequired

    All manufactured-home installations in Idaho before the manufactured home is occupied.

    • The inspection and approval are performed by DOPL or the authority having jurisdiction.
    • Inspection and approval must occur before occupancy.
    “All installations must be inspected and approved by the Idaho Division of Occupational and Professional Licenses or the authority having jurisdiction before the manufactured home is occupied.”
  • Camping on your landLimited

    Camping or parking a vehicle or trailer on Idaho Fish and Game Wildlife Management Areas and access sites separate from a WMA.

    • The restriction applies in areas posted against camping or parking.
    • Leaving an unattended camp, vehicle, or trailer for more than 48 hours is prohibited without authorization.
    • Camping or parking for more than 10 days during any 30-day period on one WMA or one separate access site is prohibited without authorization.
    • The rule permits authorization by the Commission, Director, Regional Supervisor, or designee.

    unattended duration: > 48 hours (Unless specifically authorized by the Commission, Director, Regional Supervisor, or designee.) · camping or parking duration: > 10 days during any 30-day period per WMA or separate access site (Unless specifically authorized by the Commission, Director, Regional Supervisor, or designee.)

    “camp or park a vehicle or trailer for more than ten (10) days during any thirty (30) day period”
  • Accessory dwellingsLimited

    Accessory dwelling units for Idaho DEQ wastewater-flow and septic-system sizing purposes; this claim does not establish statewide zoning permission.

    • An ADU is sized as a single-family dwelling for the cited wastewater-flow guidance.
    • An ADU may combine flows with another structure into one system.
    • Any common septic tank must be large enough to hold the required capacity from both structures.
    • Local land-use, building, and septic authorities may impose additional requirements.

    wastewater flow basis: single-family dwelling

    “Size as a single family dwelling. Can combine with another structure's flows into one system”
  • Septic inspectionRequired

    Individual and subsurface sewage disposal systems constructed or installed under Idaho’s onsite wastewater rules.

    • The Director requires one or more inspections necessary to determine compliance.
    • The permittee must uncover or make available for inspection any portion covered or concealed in violation of the rules.
    • If preparation is required, the applicant or permittee must provide at least 48 hours’ advance notice, excluding weekends and holidays.
    • For individual systems, the public health district inspects the installation.
    • Large soil absorption systems are inspected by the public health district and DEQ.

    advance inspection notice: >= 48 hours (Excludes weekends and holidays.)

    “No system may receive wastewater until the Director conducts a final installation inspection”
  • Well permitRequired

    Construction or drilling of wells in Idaho, including domestic wells.

    • Before drilling, the well owner or driller must obtain a drilling permit from IDWR.
    • All wells must be constructed by a well driller with a valid IDWR license.
    • The separate water-right permit exemption for domestic purposes does not eliminate the drilling-permit requirement.
    • For new diversions in qualifying subdivisions filed on or after July 1, 2025, a water-right permit is required in a moratorium area, critical groundwater area, or groundwater management area, except for in-home uses and watering livestock.
    • Well construction rules apply to wells and other artificial openings more than 18 vertical feet below land surface.

    well depth threshold: > 18 vertical feet below land surface (The cited well-construction rules describe covered wells and artificial openings.) · subdivision application date: >= 2025-07-01 (Applies to qualifying new diversions described in Idaho Code § 42-227(4).)

    “Prior to drilling a well, the well owner or well driller must first obtain a drilling permit from IDWR.”
    One more reviewed finding on this topic
    • Required — Well drilling in Camas County under Idaho statewide well-construction administration.
      “Prior to drilling a well, the well owner or well driller must first obtain a drilling permit from IDWR.”
  • Mandatory utility hookupConditional

    Proposed individual or subsurface sewage disposal systems where public or central wastewater treatment facilities may be available.

    • The Director may deny a septic permit when public or central wastewater treatment facilities are reasonably accessible.
    • The cited rule does not establish a universal statewide requirement to connect every property to public sewer.
    • Subsurface septic discharge remains an identified onsite disposal method.
    “Public or central wastewater treatment facilities are reasonably accessible.”
  • Campground & park staysLimited

    Temporary camping in Idaho State Parks administered by the Idaho Department of Parks and Recreation.

    • Camping is permitted only in designated areas.
    • Stays are limited to 14 nights in a 30-day period; the same page's FAQ separately states a 15-day limit, creating an unresolved internal discrepancy.
    • Individual-site occupancy is limited to one family unit or no more than 8 persons unless otherwise specified; companion-site and site-design restrictions apply.
    • Camping is not permitted on beaches, parking lots, or day-use facilities.
    • Check-in is at 2 p.m. for campsites and checkout is at 1 p.m.; late checkouts may incur additional fees unless prior arrangements have been made.

    state-park stay limit: 14 nights in 30 days (FAQ on the same page states 15 days in any 30-day period) · individual-site people limit: <= 8 people (one family unit or site-specific limits may apply)

    “Camping is permitted only in designated areas. [...] Stays are limited to 14 nights in a 30-day period.”
  • county zoning authorityGeneral

    Idaho counties adopting zoning for unincorporated areas through their boards of county commissioners.

    • A board of county commissioners is a governing board and may exercise the powers authorized by the Local Land Use Planning Act.
    • The county board's powers under the chapter apply to the unincorporated area of the county.
    • Zoning must be adopted, amended, or repealed by ordinance using the notice and hearing procedures in Idaho Code § 67-6509.
    • Zoning districts must conform to the adopted comprehensive plan.
    • Within zoning districts, standards may regulate or restrict building height, number of stories, size, construction, reconstruction, alteration, repair or use of buildings and structures; lot occupancy; courts, yards and open spaces; population density; and building and structure location and use.
    • Standards must be uniform for each class or kind of building throughout each district, but may differ between districts.
    • Overlay zoning districts require clear and objective standards and must not constitute a regulatory taking under Idaho or federal law.
    “The powers of the board of county commissioners conferred by this chapter shall apply to the unincorporated area of the county.”
  • county building authorityGeneral

    Idaho counties' authority to adopt and enforce building codes and require permits for residential construction in unincorporated areas when the county operates a building-code enforcement program.

    • The statute defines local government as any city or county of Idaho.
    • A local government that had not previously implemented a code-enforcement program may elect to implement one by ordinance evidencing its intent to do so.
    • Construction in a local-government jurisdiction enforcing building codes requires a permit under the applicable local ordinance.
    • A local government issuing permits and performing enforcement must adopt the specified state-adopted codes and may amend them only within the limits stated in Idaho Code § 39-4116(4).
    • Local amendments must generally provide at least an equivalent level of protection; accessibility amendments are restricted, and additional residential-code amendments require the statutory good-cause, necessity, ordinance, public-hearing, publication, and notice procedures.
    • Single-family homes and multiple-family dwellings up to two units are exempt from automatic fire-sprinkler requirements in the enumerated codes.
    • Agricultural buildings must be exempted; a county may issue farm-building permits only for road setbacks and utility easements, at no more than actual issuance cost.
    • Permits are governed by the laws in effect when the application is received.
    • The state division retains jurisdiction for in-plant inspections and installation standards for manufactured or mobile homes and for in-plant inspections and enforcement of modular-building and commercial-coach construction standards.
    “"Local government" means any city or county of this state.”

Still unanswered

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

  • Tiny homes — Tiny-home occupancy in Camas County.
  • Off-grid sanitation — Off-grid sanitation systems in Camas County.
  • Agricultural exemption — Agricultural-building exemptions from Camas County building requirements.
  • Short-term rentals — Short-term rentals in Camas 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 Camas County, Idaho

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

Camas County scores 59/100 on the Bolthole Index, a solid county profile. Its strengths: a stronger property-autonomy legal backdrop and sparse surroundings — about 1,160 people within 15 miles. Watch-outs: thin water margin (22.6″/yr rainfall) and more administrative friction around building and land use.

Do you need a building permit in Camas County, Idaho?

Camas County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by South Central Public Health District (District 5). 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 Camas County, Idaho?

Land in Camas County runs about $2,055 per acre, based on the latest county data.

What is the water situation in Camas County?

Camas County gets about 22.6" of rain a year, with severe drought in roughly 14.1% of years.

How remote is Camas County?

A typical private-land location has about 1,160 people within 15 miles and 1,239,441 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

How Camas compares in Idaho

Compare side-by-side →See all 44 Idaho counties ranked →