This is PermitBase’s published record for Unincorporated Cache County as of 2026-06-30. It has since been superseded — see the current record.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 Cache County building permits
VerifiedUnincorporated Cache County, Utah — as published 2026-06-30.
Verified 2026-06-30 · Source
Codes adopted
Permit types & fees
Residential Building Permit
VerifiedRequired for new residential construction, additions, and structural alterations in unincorporated Cache County. The Cache County Building Division issues permits for unincorporated county areas and many incorporated municipalities (Amalga, Avon, Benson, Cornish, Cove, Hyrum, Millville, Paradise, Petersboro, Providence, Richmond, River Heights, Smithfield, Trenton, Wellsville). Logan City and several others issue their own permits.
Verified 2026-06-30 · Source
Requirements
- New single-family dwelling construction
- Additions to existing residential structures
- Any structural modification or alteration
- Projects with valuation over $500
- New SFD plans must be engineered plans (per Cache County Building Division policy)
Required documents
- RequiredBuilding Permit ApplicationCompleted editable PDF form (BP_Application_Editable2024Updated.pdf). All applications must be submitted digitally via email to cachecountyplanreview@gmail.com. All materials must be submitted at once — incomplete packets are not accepted.
- RequiredApproved Zoning Clearance and Site PlanFrom the Cache County Zoning Office or appropriate city office, required before building permit application is processed
- RequiredComplete Set of Building Plans (PDF)Floor plan with dimensions for all levels, garages, decks, porches, plumbing plan, electrical plan, heating/AC plan. Elevations of all four sides. Footing, foundation, truss/rafter, and all egress details. Engineered plans required for new SFD.
- OptionalManual J&D FormHVAC duct sizing and layout from your mechanical contractor — required for new SFD with furnace and when replacing a furnace in a remodel
- RequiredREScheck (Energy Compliance)Demonstrates compliance with adopted Utah energy code (see energycodes.gov/rescheck)
- OptionalOwner/Builder CertificationRequired if doing work yourself (residential new construction, remodel, and addition only). Submitted to State of Utah.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Valuation Formula | Main Floor sq ft × $150 + Upper Floors sq ft × $120 + Basement sq ft × $80 + Garage sq ft × $55 = Project Valuation | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024). Example from fee schedule: 1,200 main + 1,400 upper + 1,200 basement + 650 garage = $479,750 valuation → $3,000 base fee. |
| New SFD — valuation $0–$300,000 | $2,500 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| New SFD — valuation $300,000–$500,000 | $3,000 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| New SFD — valuation $500,000–$750,000 | $3,800 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| New SFD — valuation $750,000–$1,000,000 | $4,800 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| New SFD — valuation over $1,000,000 | Consult building department | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Plan Review Fee | 15% of base permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18; assessed if not ready when inspector arrives |
| Credit/Debit Card Processing Fee | 2.5% service fee (AMEX not accepted); e-check $0.49 flat | Cache County Building Permit Applications page, cachecounty.gov/building/building-permit-applications.html |
Electrical Permit
VerifiedRequired for electrical meter upgrades, new service, generator installations, and other electrical work in unincorporated Cache County. Governed by the 2023 National Electrical Code (NEC) as adopted statewide by Utah Code § 15A-2-103(1)(g). Note: the County's Building Code Information page shows '2020 NEC' but the statewide 2023 NEC is legally in force.
Verified 2026-07-01 · Source
Requirements
- Electrical meter or service upgrade
- Generator installation
- Generlink transfer switch installation
- New circuits, panel upgrades, rewiring (contact building office to confirm if utility permit applies)
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com with all required documentation at once
- OptionalElectrical Plan / Single-Line DiagramRequired for service upgrades and new construction — panel schedule and circuit layout
- OptionalContractor LicenseValid Utah electrical contractor license (Utah DOPL). Homeowners may pull their own permit for work on their own primary residence but must still pass inspection.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Electrical Meter Upgrade (Residential) | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| Generator Permit | $100 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Generlink Transfer Switch Permit | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Mechanical / HVAC Permit
VerifiedRequired for furnace/AC replacement and gas line/meter upgrades in unincorporated Cache County. The county FAQ indicates simple furnace replacements may use a utility permit — call to confirm. Governed by the 2021 International Mechanical Code (IMC) / 2021 International Fuel Gas Code (IFGC) as adopted by Utah Code § 15A-2-103 (2024 IMC/IFGC effective July 1, 2026).
Verified 2026-06-30 · Source
Requirements
- Furnace or AC replacement (residential)
- Gas line or meter upgrade
- New HVAC system installation
- Ductwork installation or major modification
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- OptionalManual J&D FormRequired for new SFD with furnace and when replacing a furnace in a remodel — HVAC duct sizing and layout from mechanical contractor
- OptionalEquipment SpecificationsManufacturer data sheets for furnace, AC, or heat pump
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Furnace/AC Replacement (Residential) | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| Gas Line/Meter Upgrade (Residential) | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Plumbing Permit
VerifiedRequired for plumbing installations, alterations, and repairs including water heater replacement in unincorporated Cache County. Governed by the 2021 International Plumbing Code (IPC) as adopted by Utah Code § 15A-2-103 (2024 IPC effective July 1, 2026). The fee schedule lists water heater replacement as its own line item at $75.
Verified 2026-07-01 · Source
Requirements
- Water heater installation or replacement
- New plumbing fixture installations
- Water line or sewer line replacement or extension
- Gas line installation or modification
- Backflow prevention device installation
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- OptionalPlumbing PlanIsometric drawing showing fixture locations, pipe sizes, and drainage — required for larger projects
- OptionalContractor LicenseValid Utah plumbing contractor license (Utah DOPL) if not performed by the homeowner
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Water Heater Replacement (Residential) | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024). Flat fee, its own line item in the RESIDENTIAL PERMITS table (fee schedule PDF re-fetched and re-confirmed live 2026-07-01). |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Roofing Permit
VerifiedRequired for roof replacement and re-roofing in unincorporated Cache County. The fee schedule lists a flat 'Reroof' fee.
Verified 2026-06-30 · Source
Requirements
- Complete roof replacement (tear-off and re-roof)
- Overlay of new roofing over existing (where code allows)
- Structural roof repairs or modifications
- Changes to roofing material type
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com with all required documentation
- OptionalContractor LicenseValid Utah roofing contractor license (Utah DOPL) if not performed by the homeowner
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Reroof Permit | $130 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| Plan Review Fee | 15% of base fee ($19.50) | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Solar Panel Permit
VerifiedRequired for installation of rooftop or ground-mounted solar photovoltaic systems in unincorporated Cache County. The county FAQ confirms rooftop solar needs a building permit but does not need a zoning clearance. Ground pedestal solar also does not need a zoning clearance but requires a building permit.
Verified 2026-06-30 · Source
Requirements
- Rooftop solar panel installation
- Ground-mounted solar array installation
- Battery storage system installation
- No zoning clearance required for solar in unincorporated county areas (per Development Services Director determination)
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com — no Manual J&D required for solar
- RequiredSolar Site Plan / Roof PlanDiagrams/plans showing where panels will go on the roof, dimensions
- RequiredEquipment SpecificationsManufacturer specifications showing materials, weight, etc.
- RequiredElectrical Single-Line DiagramSystem wiring from panels to inverter to main panel and utility meter
- OptionalInterconnection AgreementUtility approval for grid-tied systems (Rocky Mountain Power) required before energizing
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Solar Permit (Residential) | $400 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| Solar Batteries | $200 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Plan Review Fee | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Deck Permit
VerifiedRequired for new deck, patio, or covered porch construction in unincorporated Cache County. The fee schedule lists a flat 'Deck/Patio/Covered Porch' fee.
Verified 2026-06-30 · Source
Requirements
- New deck construction attached to or detached from the house
- Decks higher than 30 inches above grade
- Structural modifications to existing decks
- Covered porches and patios
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- RequiredApproved Zoning Clearance and Site PlanFrom Cache County Zoning Office, required before building permit
- RequiredConstruction DrawingsFraming plan with beam/joist sizes, post locations, footing details, and ledger attachment method
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Deck/Patio/Covered Porch Permit | $300 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| Plan Review Fee | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Fence Permit
VerifiedRequired for fences over 7 feet tall in unincorporated Cache County. The county FAQ explicitly states: 'Fences not exceeding 7 ft tall — Permit not required.'
Verified 2026-06-30 · Source
Requirements
- Fences over 7 feet in height require a permit
- Fences 7 feet or under in height — no permit required per Cache County FAQ
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- OptionalSite PlanShowing fence location relative to property lines
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Fence Permit (over 7 ft) | $200 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024). Fences 7 ft or under do not require a permit per Cache County FAQ. |
| Plan Review Fee | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Accessory Dwelling Unit (ADU)
VerifiedRequired for construction of an internal or detached ADU in unincorporated Cache County. The fee schedule lists separate fee items for Internal ADU and Detached ADU (which uses the same fee tiers as new SFD construction). Contact Planning & Zoning for zoning eligibility.
Verified 2026-07-01 · Source
Requirements
- Property must be zoned to allow ADU use — contact Cache County Planning & Zoning at (435) 755-1640
- Internal ADUs (basement apartments, garage conversions) require a separate building permit
- Detached ADUs are valued and permitted under the standard new-construction fee schedule
- Separate entrance required from primary dwelling
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- RequiredApproved Zoning Clearance and Site PlanFrom Cache County Planning & Zoning — required before building permit is processed
- RequiredFull Construction Plans (PDF)Complete floor plan, elevations, structural details. Engineered plans required if new detached structure.
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Internal ADU Permit | $300 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) — flat fee, re-confirmed live 2026-07-01 |
| Internal ADU Plan Review | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Detached ADU — valuation $0–$300,000 | $2,500 | Cache County Building Division Fee Schedule, Ord. 2024-18 — detached ADU uses the new SFD fee tiers |
| Detached ADU — valuation $300,000–$500,000 | $3,000 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Detached ADU — valuation $500,000–$750,000 | $3,800 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Detached ADU — valuation $750,000–$1,000,000 | $4,800 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Detached ADU — valuation over $1,000,000 | Consult building department | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Plan Review Fee (Detached ADU) | 15% of base permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Basement Finish Permit
VerifiedRequired for finishing or remodeling an unfinished basement in unincorporated Cache County. The fee schedule lists a flat 'Basement Finish' fee. Note: basement finish inspections are physically inspected only if there is an outside entrance and the owner/contractor is present.
Verified 2026-07-01 · Source
Requirements
- Framing walls in an unfinished basement
- Adding a bedroom (requires egress window)
- Adding a bathroom (requires plumbing permit)
- Electrical wiring for new rooms
- Any structural modifications
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- RequiredFloor PlanLayout showing room sizes, egress windows, and door locations
- OptionalElectrical PlanCircuit layout, panel capacity, smoke/CO detector locations
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Basement Finish Permit | $300 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) — flat fee, its own line item, re-confirmed live 2026-07-01 |
| Plan Review Fee | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Demolition Permit
VerifiedRequired for demolition or removal of any structure in unincorporated Cache County. The state of Utah requires all structures to be demolished or moved to have a Demolition Permit.
Verified 2026-06-30 · Source
Requirements
- Complete demolition of any structure
- Partial demolition involving structural elements
- Moving a structure off the property
Required documents
- RequiredDemolition Permit ApplicationFill out and call the office for further instructions: (435) 755-1650 press 1
- OptionalAsbestos SurveyFederal NESHAP regulations require an asbestos inspection for structures that may contain asbestos-containing materials (typically pre-1980 construction)
- RequiredUtility Disconnect ConfirmationUtilities must be disconnected before demolition
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Demolition Permit | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Swimming Pool Permit
VerifiedRequired for in-ground and above-ground swimming pool installation in unincorporated Cache County. The fee schedule lists a flat swimming pool fee.
Verified 2026-07-01 · Source
Requirements
- In-ground swimming pool construction
- Above-ground pools with depth over 24 inches (IRC R326 threshold)
- Pool barrier/fence required for all pools
- Contact Planning & Zoning for zoning clearance before applying
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- RequiredApproved Zoning Clearance and Site PlanFrom Cache County Zoning Office
- RequiredPool PlansPool dimensions, depth, equipment location, and structural details
- RequiredBarrier PlanPool fence/barrier details meeting IRC Chapter 31 requirements
- RequiredElectrical PlanPool pump, lighting, bonding, and GFCI protection details
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Swimming Pool Permit | $750 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) — flat fee, its own line item, re-confirmed live 2026-07-01 |
| Plan Review Fee | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Retaining Wall Permit
VerifiedRequired for retaining walls over 4 feet in height (measured from bottom of footing to top of wall) in unincorporated Cache County. The county FAQ explicitly states retaining walls over 4 feet are required to have engineered plans and stamped.
Verified 2026-06-30 · Source
Requirements
- Retaining walls over 4 feet in total height (bottom of footing to top of wall)
- Engineered plans stamped by a licensed Utah PE required
- Any retaining wall supporting a surcharge
Required documents
- RequiredBuilding Permit ApplicationCompleted application emailed to cachecountyplanreview@gmail.com
- RequiredEngineered Wall PlansStamped structural drawings from a licensed Utah PE — required per Cache County FAQ for walls over 4 ft
- RequiredSite PlanWall location relative to property lines, structures, and utilities
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Retaining Wall Permit (4 ft+) | $250 | Cache County Building Division Fee Schedule, Ord. 2024-18 (adopted 11/6/2024) |
| Plan Review Fee | $50 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| State Surcharge | 1% of permit fee | Cache County Building Division Fee Schedule, Ord. 2024-18 |
| Re-Inspection Fee | $75 | Cache County Building Division Fee Schedule, Ord. 2024-18 |
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
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 Cache County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.