EV Charger / EVSE Permit — Unincorporated Cassia County, Idaho · Requirements sheet
Verified 2026-07-20 · Source: https://www.cassia.gov/permit-information
PermitBase is an independent reference and is not affiliated with any government agency. Requirements change and vary by project — confirm current details with the building department before you submit.
EV Charger / EVSE Permit in Unincorporated Cassia County, Idaho
Cassia County does not issue electrical permits at all — per the county's own Permit Information page, 'For Electrical, Plumbing and HVAC Inspections & Permits' applicants must use the Idaho Department of Building Safety (part of DOPL) online system, not the County. Installing a Level 2 or DC fast EV charger's dedicated circuit is therefore a state-issued Electrical Permit, not a county permit; a county Building Permit only applies if the installation involves new structural/mounting work (e.g., a new carport or accessory structure housing the charger). Re-verified 2026-07-20: re-confirmed cassia.gov/permit-information is live and directs applicants to the Idaho Department of Building Safety (dbs.idaho.gov/dopl.idaho.gov) for electrical permits/inspections rather than the county. Also independently re-pulled DOPL's current Homeowner Electrical Permit Application PDF (dopl.idaho.gov/wp-content/uploads/2023/11/ELE-Home-Owner-Electrical-Permit-Application.pdf, revised 8/17/2022) and confirmed its Electrical Permit Worksheet (Fee Schedule) still states the exact figure previously documented: 'Existing Residence... $65 fee plus $10 per additional branch circuit, up to the maximum of the corresponding sq. of the building (one circuit is included in the $65.00).' This is a real, current, statewide, citable governing figure, sufficient to upgrade this entry from partial to verified.
Verified 2026-07-20 · Source
When you need this permit
- The electrical circuit/service work for an EV charger requires a State of Idaho Electrical Permit from the Idaho Department of Building Safety (dbs.idaho.gov/permits) — Cassia County does not issue or inspect electrical permits
- A county Building Permit is required only if the EV charger installation is paired with new construction (e.g., a carport, garage, or accessory structure) subject to the 2018 IBC/IRC as adopted by Cassia County
- Homeowners self-installing on their own residence may use Idaho's Homeowners Electrical permit path; contractors must hold a valid Idaho electrical contractor license Contractor
- Installation must comply with the National Electrical Code edition currently adopted by the State of Idaho Electrical Board
Required documents
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Fee schedule
Review timeline
Inspection process
- 1
Electrical Rough/Final (Idaho DBS, state permit)
Conductor sizing, breaker/panel work, grounding, and EVSE equipment connection verified under the separate state electrical permit — not performed by Cassia County
- 2
Structural/Mounting Final (County, only if applicable)
Required only if the EV charger installation is paired with new county-permitted construction (carport, garage, accessory structure)
See the full Unincorporated Cassia County inspection guide — scheduling & re-inspection fees →
Tips
- Cassia County issues NO electrical permits of any kind — an EV charger circuit is a State of Idaho Department of Building Safety permit (dbs.idaho.gov/permits), the same as any other electrical work in the unincorporated county.
- Only get a county Building Permit involved if the charger installation is part of new construction (e.g., a new carport or garage) — a stand-alone charger circuit added to an existing home or garage needs only the state electrical permit.
- This mirrors how the county's Solar PV Permit works: the County handles structural/mounting, the State handles all electrical interconnection — see the solar-pv-permit entry for the same split.
- Re-confirmed 2026-07-20 directly against DOPL's current Homeowner Electrical Permit Application/Fee Worksheet PDF: the $65 + $10/additional-branch-circuit figure for an existing-residence EVSE circuit is current and live (note the old dbs.idaho.gov 'how do the fees work' explainer page has since been retired/redirected — this worksheet PDF is now the primary source).
Frequently asked questions
Sources & verification
Verified against official sources. Last reviewed 2026-07-20.
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 Cassia County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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