Unincorporated Cache County building permits

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

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

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

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

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

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

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

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

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

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

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

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

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

Requirements

• New commercial building construction, addition, or remodel on a properly zoned parcel
• Approved Zoning Clearance and Site Plan from Cache County Planning & Zoning ((435) 755-1640) before the building permit application is processed
• Complete set of construction plans/drawings covering the full scope of work
• Application Commercial Plan Review Deposit due at submittal — $1,000 for projects valued under $5,000,000, $2,500 for projects valued $5,000,000 and over
• Owner/Builder Certification does not apply — Cache County's Building Permit Applications page limits that form to 'Residential new construction, remodel, and addition only, no commercial'

Required documents

• RequiredBuilding Permit ApplicationCompleted application submitted digitally via email to cachecountyplanreview@gmail.com with all materials in one email — incomplete packets are not accepted, per the same submittal policy published for residential permits
• RequiredApproved Zoning Clearance and Site PlanFrom the Cache County Planning & Zoning office, required before a commercial building permit application is processed
• RequiredComplete Set of Construction Plans (PDF)Site plan, floor plans, elevations, and structural, electrical, mechanical, and plumbing plans for the full scope of work
• RequiredCommercial Plan Review Deposit PaymentDeposit due at time of application per the fee schedule's 'Application Commercial Plan Review Deposit' line item — $1,000 (valuation below $5,000,000) or $2,500 (valuation $5,000,000+)

Fee schedule

Requirements

• Interior build-out, remodel, or finish work in an existing commercial tenant space
• Approved Zoning Clearance and Site Plan from Cache County Planning & Zoning ((435) 755-1640) before the building permit application is processed
• Construction plans covering the scope of work (floor plan, MEP as applicable)
• Application Commercial Plan Review Deposit due at submittal — $1,000 for projects valued under $5,000,000, $2,500 for projects valued $5,000,000 and over

Required documents

• RequiredBuilding Permit ApplicationCompleted application submitted digitally via email to cachecountyplanreview@gmail.com with all materials in one email — incomplete packets are not accepted
• RequiredApproved Zoning Clearance and Site PlanFrom the Cache County Planning & Zoning office, required before a tenant improvement permit application is processed
• RequiredConstruction PlansFloor plan showing existing and proposed layout and scope of work; mechanical, electrical, and plumbing plans as applicable to the scope
• RequiredCommercial Plan Review Deposit PaymentDeposit due at time of application per the fee schedule's 'Application Commercial Plan Review Deposit' line item — $1,000 (valuation below $5,000,000) or $2,500 (valuation $5,000,000+)

Fee schedule

Requirements

• Commercial sign installation in unincorporated Cache County
• Application submitted digitally by email to cachecountyplanreview@gmail.com with all required materials in one email, per the county's standard submittal policy for all building permit types

Required documents

• RequiredBuilding Permit ApplicationSubmitted via email to cachecountyplanreview@gmail.com per Cache County's standard digital submittal process

Fee schedule

Requirements

• New construction WITHOUT sprinklers or a fire alarm is inspected by Cache County Fire District for $130, per the district's 2026 Fee Schedule, Inspections & Permits table
• New construction WITH sprinklers AND a fire alarm is inspected by Cache County Fire District for $390 — the higher tier reflects the added fire-protection-system inspection scope
• This is a Cache County Fire District fee, separate from and in addition to the Cache County Building Division's general building permit fee for the same project

Required documents

Fee schedule

Requirements

• Required before submitting a building permit application for most projects on a parcel in unincorporated Cache County
• A complete application must include a site plan, floor plan(s) of all levels, and elevation(s), per the county's Zoning Clearance Application checklist
• Culinary Water Verification (Utah Division of Water Rights) and Sanitation/Health Department approval (Bear River Health Department) required for any proposed use/building needing water and sewage facilities, per County Code § 17.10.050.A.3.a (Supplemental Standards)
• An Agricultural Building Statement is required if the structure/use is claimed as Agricultural (must meet Utah Code § 15A-1-202)
• Any change in type of structure, use, or placement on an already-cleared parcel requires a new Zoning Clearance application, per the application form's own acknowledgment text
• Approval of a Zoning Clearance is not a waiver of compliance with the zoning ordinance and is not a conditional use permit, per the application form

Required documents

• RequiredZoning Clearance ApplicationCounty Development Services application form capturing parcel/tax ID, total acreage, zone, proposed structure type/use (Primary, Accessory, or Agricultural), dimensions, square footage, and height, plus agent and property owner contact information.
• RequiredSite PlanScaled top-view site plan showing property lines, existing/proposed structure footprints, setback distances, driveways, wells/septic/propane tank locations, and easements, per the application's Site Plan Requirements page.
• RequiredFloor Plan(s) and Elevation(s)Floor plans of all levels and building elevations, per the application checklist.
• OptionalAgricultural Building StatementSigned acknowledgment that a structure/use is only for domestic animals, animal feed, and/or farm equipment for raising animals or tilling soil for crops, required only when claiming Agricultural use; any other non-habitable use is instead classified as an Accessory Structure requiring a building permit, per Utah Code § 15A-1-202.

Fee schedule

Requirements

• Installation of a Level 2 or DC fast EV charger (EVSE) at a residential or commercial property in unincorporated Cache County
• New dedicated 240V circuit and/or panel capacity to serve the charger, inspected under the adopted National Electrical Code
• Licensed electrical contractor, or owner-performed work on the owner's own residence

Required documents

• RequiredCache County Building Permit ApplicationSubmitted per the Building Permit Applications process; describe the scope as an electrical circuit/EV charger installation.

Fee schedule

Requirements

• Required before any building or structure (or portion of one) in unincorporated Cache County is used or occupied, and before any change of occupancy of a building or structure or portion of one is made, per item 7 of the county's Building Permit Application document.
• For projects involving new construction, an addition, a remodel, or a commercial tenant improvement, the Certificate of Occupancy is issued following that project's Final Inspection; the same application document states in bold: 'OWNER(S) ARE NOT ALLOWED TO MOVE IN PRIOR TO RECEIVING THE CERTIFICATE OF OCCUPANCY.'
• For structures in unincorporated Cache County, a completed and signed Cache County Public Works and Fire District Pre-Occupancy Checklist must be submitted to the Building Division at the time of Final Inspection 'in order to pass the inspection and to receive a Certificate of Occupancy,' per that checklist's own instructions; it is the property owner's or designee's responsibility to obtain the required Public Works and Fire District sign-offs, and the sheet must be available on-site during inspections.
• A change in occupancy classification of an existing building (e.g., converting an existing commercial space to a different IBC occupancy group or a different use within the same group) falls under IEBC Chapter 10, Change of Occupancy, within the statewide-adopted 2024 International Existing Building Code — Utah Code § 15A-2-103(1)(i).
• No standalone 'Change of Use' application form was found published by Cache County; a change-of-occupancy project is submitted through the same Building Permit Application channel used for all other permit types, describing the proposed 'Structure use type' (item 3 of that form).

Required documents

• RequiredCache County Building Permit ApplicationGeneral application form (BP_Application_Editable2024Updated.pdf) used for all permit types including a change of occupancy; item 3 captures the 'Structure use type,' and item 7 states the Certificate of Occupancy requirement verbatim.
• RequiredCache County Public Works and Fire District Pre-Occupancy ChecklistSign-off sheet (Rev 7/2025) covering Public Works items (access, road/shoulder improvements, culverts, drainage, mailbox, waste-container pad, fencing, stormwater, flood-development permit) and Fire District items (EMS address sign per IFC 505.1, fire department access per IFC Appendix D, propane tank setbacks per IFC Chapter 61), required only 'if required through either a zoning clearance or an encroachment permit'; must be submitted at Final Inspection before a Certificate of Occupancy is issued.

Fee schedule