This is PermitBase’s published record for Unincorporated Latah County as of 2026-07-04. It has since been superseded — see the current record. A historical record reflects what PermitBase had verified at that time; it may not capture a real-world change the jurisdiction had made but PermitBase had not yet verified, and it includes any errors we later corrected. Snapshots are never edited retroactively.
Unincorporated Latah County building permits
VerifiedUnincorporated Latah County, Idaho — as published 2026-07-04.
Verified 2026-07-04 · Source
Codes adopted
Permit types & fees
Residential/General Building Permit
VerifiedRequired for new construction, additions, alterations, repairs, moves, or change of use of any structure in unincorporated Latah County regulated by the adopted 2018 IBC/IRC, via the county's single 'Building Permit Application' (Latah County Department of Planning & Building).
Verified 2026-07-04 · Source
Requirements
- Complete building permit application including applicant, contact, contractor information, and address or parcel number, signed by the property owner(s)
- Zoning approval through the Planning Department confirming the parcel is buildable, meets setback and other zoning requirements (flood hazard permits, design standards, industrial standards), and has all necessary zoning permits (e.g., Conditional/Administrative Use Permits for accessory cottages must be obtained before the building permit is submitted)
- Non-refundable permit deposit
- Address fee/change-of-address fee, or an existing assigned address at the driveway access point
- Site plan showing distances from each property line, utilities, easements, infrastructure (well, septic), and other structures on the parcel
- Driveway plan meeting Section 9-9-2 driveway requirements of the Code of Latah County (may be combined with the site plan); engineering required when mandated by 9-9-2
- Construction plans demonstrating code compliance; structures under the IBC and some under the IRC require plans stamped by an Idaho-licensed architect or engineer; paper plans larger than 11x17 incur a $50.00 fee
- Approval for septic system: copy of an approved North Central District Health Department septic permit (a perc test/soil evaluation alone is not sufficient)
- Approval for road access: copy of an approved road-access permit from the appropriate highway district or Idaho Transportation Department
- Engineering documentation stamped, signed, and dated by an Idaho-licensed engineer where required; all roof trusses must be engineered to meet the county's adopted snow load
- Electrical and plumbing permit numbers (from the Idaho Division of Building Safety / DOPL) must be submitted before a framing inspection will be scheduled
- Applications with missing information are deemed incomplete under Idaho Code until all required information is submitted; initial completeness determination does not guarantee plan-review approval
Required documents
- RequiredBuilding Permit Application (Full or Short Version)Latah County Department of Planning & Building's application form; covers owner, contractor, and engineer/architect contact info, plumbing/electrical status, class of work (new/addition/alteration/repair/move/change of use), and the county's standard 180-day-expiration/consent-to-enter authorization language.
- RequiredSite Plan + Driveway MapMust show new/existing structures with distances to property lines, other structures, streams, septic, well, roadways; easements/water/gas lines; approved highway-district/ITD access; driveway length, width, slopes (>10% over 100 ft requires engineering), cutbanks, turnouts, turn-arounds; stream crossings and culverts.
- RequiredConstruction Plans / Wall Section DetailElevation drawings (IBC structures require an Idaho-licensed design professional's stamp), plan views per level, foundation/footing/anchor details, framing/truss specifications (engineer-stamped truss sheets), roof covering, electrical/mechanical equipment locations, insulation R-values, window/door schedules with egress and safety-glazing compliance.
- OptionalNorth Central District Health Department Septic ApprovalApproved septic permit copy; required unless connecting to a municipal sewer system.
- RequiredHighway District / ITD Road Access ApprovalApproved road/driveway access permit copy from the North Latah Highway District, South Latah Highway District, or Idaho Transportation Department as applicable.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — Total Valuation $1.00-$500.00 | $50.00 flat | Latah County Development Services Fee Schedule (Resolution 2023-18, amended by Resolutions 2024-14, 2025-06, 2025-10), Table 1-A. Show full citationHideLatah County Development Services Fee Schedule (Resolution 2023-18, amended by Resolutions 2024-14, 2025-06, 2025-10), Table 1-A. Valuations are as published in the February 2025 issue of the ICC Building Safety Journal, with county-specific additions for foundations, decks ($12.50/sq ft), pole buildings ($24.00/sq ft), Group OSA ($75.00/sq ft), swimming pools ($24.00/sq ft), and solar panels ($5.00/sq ft). |
| Building Permit Fee — $501.00-$2,000.00 | $50.00 for first $500.00, plus $1.30 for each additional $100.00 | Table 1-A, Fee Schedule (Resolution 2023-18 et seq.) |
| Building Permit Fee — $2,001.00-$25,000.00 | $69.25 for first $2,000.00, plus $14.00 for each additional $1,000.00 | Table 1-A, Fee Schedule (Resolution 2023-18 et seq.) |
| Building Permit Fee — $25,001.00-$50,000.00 | $391.25 for first $25,000.00, plus $10.10 for each additional $1,000.00 | Table 1-A, Fee Schedule (Resolution 2023-18 et seq.) |
| Building Permit Fee — $50,001.00-$100,000.00 | $643.75 for first $50,000.00, plus $7.00 for each additional $1,000.00 | Table 1-A, Fee Schedule (Resolution 2023-18 et seq.) |
| Building Permit Fee — $100,001.00 and up | $993.75 for first $100,000.00, plus $7.00 for each additional $1,000.00 | Table 1-A, Fee Schedule (Resolution 2023-18 et seq.) |
| Plan Review Fee | 65% of the permit fee | Charged on all structures requiring a plan review, per the Fee Schedule's General Fees section; separate from and in addition to the permit fee per Section 7-1-3(F) of the Code of Latah County. |
| Non-refundable Plan Review Deposit | $700.00 | For commencement of plan review on projects exceeding $30,000 in valuation, per the Fee Schedule and Section 7-1-3(F). |
| Address Fee (New or NS) | $100.00 | Latah County Uniform Rural Addressing Fee Schedule, part of the same Development Services Fee Schedule. |
| Zoning Placement Permit — Agricultural Exempt Buildings | $300.00 | Latah County Land Use Fee Schedule. |
| Zoning Placement — Non-Agricultural Exempt Buildings | $25.00 | Latah County Land Use Fee Schedule. |
| Temporary Certificate of Occupancy | $100.00 | General Fees, Fee Schedule (Resolution 2023-18 et seq.); extension also $100.00. |
| Foundation Inspection (Real Property) | $150.00 | General Fees / Other Inspections and Fees, Fee Schedule. |
| Reinspection Fee | $75.00 per hour | Other Inspections and Fees, Fee Schedule. |
| Work Commencing Without a Permit | 25% of the permit fee (additional, on top of the required permit fee) | Fee Schedule; codified separately in Section 7-1-8 as a doubled fee for second/subsequent offenses once an enforcement action has begun. |
| Permit Extension (maximum 3) | $50.00 each | Fee Schedule, General Fees. |
| Alterations/Remodels Level 1 / Level 2 / Level 3 | 10% / 45% / 90% of full permit fee based on square footage, respectively | Fee Schedule. |
Mechanical Permit
VerifiedRequired for new, added, altered, repaired, moved, or removed mechanical/fuel-gas equipment in unincorporated Latah County, per Code of Latah County Section 7-1-4 (Amendments To Mechanical Code And Fuel Gas Code). Mechanical fees for new residences are bundled into the building permit fee; a separate mechanical permit is required for all other mechanical installations.
Verified 2026-07-04 · Source
Requirements
- Complete Mechanical Permit Application: job address/parcel, owner and contractor contact info (contractor license number if applicable), use of building, description of work, class of work (new/addition/alteration/repair/move/remove), valuation of work, and type of fuel (natural gas, oil, propane, or electric)
- Property owner or applicant signature
- Not required as a separate permit for mechanical work bundled into a new-residence building permit
Required documents
- RequiredMechanical Permit ApplicationLatah County Department of Planning & Building's standalone mechanical permit form (revised 6/2/2026); includes the same 180-day permit-expiration and consent-to-enter authorization language as the building permit application.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Mechanical Permit | $75.00 | County Development Services Fee Schedule (Resolution 2023-18 et seq.), Mechanical Permit Fees section. |
| Special Inspection | $75.00 per hour | Same source. |
| Fee Refund (if withdrawn before work performed) | Up to 80% of permit fee paid | Code of Latah County Section 7-1-4(A), Section 106.5.3. |
Zoning Placement Permit
VerifiedRequired under Code of Latah County Section 7-1-3(A) for most structures that are exempt from a building permit (agricultural exempt buildings and non-agricultural exempt buildings), to confirm zoning compliance before construction or placement, via the county's 'Application For Zoning Placement.'
Verified 2026-07-04 · Source
Requirements
- Fee (see below)
- Site plan showing location of roads and rights-of-way, existing buildings, proposal area, dimensions, and setbacks
- Floor plan or design plans
- Access approval (not required if there is an existing home on the property)
- Property owner and applicant signatures
- For agricultural-exempt buildings specifically: highway district/ITD access approval, planning department zoning-designation approval, building type/floor plan with dimensions, site plan with property-line distances, copy of any other relevant zoning permit, a statement of use/affidavit limiting use and permitting inspection for continued-use compliance, and proof of bona fide agricultural operation (prior-year Schedule F or Schedule C tax form, or Farm Services Agency registration, plus Assessor agricultural-category classification 1-5)
Required documents
- RequiredApplication For Zoning PlacementLatah County Planning, Building & GIS form (revised 6/5/2026); requires applicant and property owner contact info, parcel/address, current and proposed uses, and a brief description of the proposal.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Zoning Placement Permit — Agricultural Exempt Buildings | $300.00 | County Development Services Fee Schedule (Resolution 2023-18 et seq.), Land Use Fee Schedule. |
| Zoning Placement — Non-Agricultural Exempt Buildings | $25.00 | Same source. |
Temporary RV Permit (Temporary Living Quarters)
VerifiedRequired under Code of Latah County Section 7-1-7 ('Permanent Living Quarters') to live in a camping trailer, RV (including park models), or similar unit on a property while a permanent residence is under construction, via the county's 'Temporary RV Permit' application.
Verified 2026-07-04 · Source
Requirements
- Application must be made by the property owner at the same time as or after a building permit for the residence has been applied for on the same property
- Fee ($50.00 plus $50.00 for each 6-month extension)
- Site plan showing north arrow, roads/rights-of-way, existing buildings, and the RV's location and dimensions
- Health Department approval
- Access approval from the appropriate highway district or Idaho Transportation Department; driveways to the RV/homesite must comply with the Latah County Land Use Ordinance prior to permit issuance
- Address sign installed prior to approval
- Valid for 6 months at a time, up to a maximum of 2 years total, per Section 7-1-7 of the Code of Latah County
Required documents
- RequiredTemporary RV Permit ApplicationLatah County Department of Planning & Building form; requires applicant/owner info, parcel number, current building permit number, RV license number, and an owner authorization/acknowledgement that the RV must be removed if the building permit expires or is not completed.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Temporary RV Permit — Initial | $50.00 | Per the Temporary RV Permit application form itself, and consistent with 'Temporary Living Quarters with a valid permit and each extension: $50.00' in the County Development Services Fee Schedule (Resolution 2023-18 et seq.). |
| Temporary RV Permit — Each 6-Month Extension | $50.00 | Same sources. |
Manufactured/Modular/Mobile Home Installation Permit
VerifiedRequired under Code of Latah County Section 7-1-5 for installation of any HUD-approved manufactured or modular home, or pre-HUD mobile home (built before June 15, 1976) with a valid rehabilitation certificate, in unincorporated Latah County.
Verified 2026-07-04 · Source
Requirements
- Valid installation permit (and foundation permit when applicable) issued by the Department of Planning and Building
- Passed inspections and a certificate of occupancy under the same requirements as any other single-family dwelling
- If installed in a legal manufactured home park, the park's approved development-plan setbacks control (in addition to Building Code setbacks)
- Application must include the license number and name of the contractor and licensed installer
- Installation must meet the state-approved installation instructions for the specific unit/model, or the current Idaho Manufactured Home Installation Standard
- Every installation requires a permit, including moving a home within a legally approved park or replacing a home in an existing space
- Structural changes/additions require plans stamped by an Idaho-licensed engineer; manufactured buildings cannot change occupancy classification
Required documents
- RequiredHUD Approved Home Installation ApplicationLatah County Department of Planning & Building's application form for manufactured/modular home installation.
- OptionalMobile Home Rehabilitation Certificate / Manufactured Home REHAB CertificationRequired for pre-HUD mobile homes (built before June 15, 1976) to be treated as a single-family dwelling.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Manufactured/Modular/Mobile Home Installation | $225.00 per section | County Development Services Fee Schedule (Resolution 2023-18 et seq.), General Fees section; foundations charged separately per the Fee Schedule's foundation valuation table. |
Sources & verification
Verified against official sources. Last reviewed 2026-07-04.
Fee schedules
Applications & forms
Checklists & handouts
Codes & ordinances
Department & other records
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Latah County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.