Skip to main content
PermitBase

Commercial Building Permit (New Construction / Tenant Improvement) in Unincorporated Elmore County, Idaho

Required for new commercial and industrial structures in unincorporated Elmore County. Governed by the 2018 International Building Code (IBC) as adopted statewide and enforced by the Elmore County Land Use and Building Department. Requires stamped plans by a design professional and a Com-Check energy compliance submittal. All building applications must be preceded by an approved Zoning Permit.

Verified 2026-07-08 · Source

When you need this permit

  • A Zoning Permit must be approved BEFORE the Building Permit application will be accepted — no exceptions
  • Detailed site plan showing dimensions of the entire property, labeled existing and proposed structures, and approximate distances to property boundaries and between structures
  • Location of existing septic/well relative to structures; any easements shown
  • One set of building plans, 1/4" scale, including a floor plan
  • Com-Check energy compliance submittal
  • Central District Health Department signature
  • Highway District signature
  • Fire District plan review and signature if in a fire district
  • Plans must be stamped by a design professional
  • Flood Development Permit with Elevation Certificate ($100 fee) required if the structure is located in a flood area
  • Contractors must provide current Idaho Contractor Registration number and expiration date Contractor

Required documents

Check off what you have — your progress is saved on this device.

Not ready yet — 0 of 4 required documents checked.

This checker covers one permit. A full project usually triggers several — our paid checklist will assemble all of them, from $29 →

Fee schedule

Plan Review Fee — CommercialElmore County Building Permit Application (revised 06-2026) and Fee Schedule (effective October 15, 2025)
$200.00
Building Permit FeeSeparate from the plan review fee. Fee Schedule effective October 15, 2025.
Valuation-based per IBC Section 109 and the International Code Council Building Valuation Data (updated every 6 months)
Building Permit DepositApplies to residential, industrial, and commercial permits. Fee Schedule effective October 15, 2025.
Tiered by building permit fee amount: <$500 fee = $100 deposit; $500-$1,000 = $250; $1,000-$2,000 = $500; $2,000-$3,000 = $750; $3,000-$4,000 = $1,000; >$4,000 = 25% of building permit fee

Review timeline

Plan reviewUnincorporated Elmore County’s published plan-review target
28–42 business days

How long did your Commercial Building Permit (New Construction / Tenant Improvement) permit actually take in Unincorporated Elmore County?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Footing/Foundation

    Verify footing depth and foundation layout before backfill

  2. 2

    Framing/Structural

    After structural framing complete and before wall cover

  3. 3

    Final

    All work complete per approved, stamped plans

See the full Unincorporated Elmore County inspection guide — scheduling & re-inspection fees →

Tips

  • Commercial plan review is published at up to 4-6 weeks under the 2018 IBC — plan submittals well ahead of any target start date.
  • Commercial plans must be stamped by an Idaho-licensed design professional; a Com-Check energy compliance submittal is required in addition to the plan set.
  • Electrical, plumbing, and HVAC/mechanical permits for commercial projects are administered by Idaho DOPL, not Elmore County.

Frequently asked questions

Unincorporated Elmore County requires a commercial building permit (new construction / tenant improvement) for: A Zoning Permit must be approved BEFORE the Building Permit application will be accepted — no exceptions; Detailed site plan showing dimensions of the entire property, labeled existing and proposed structures, and approximate distances to property boundaries and between structures; Location of existing septic/well relative to structures; any easements shown; One set of building plans, 1/4" scale, including a floor plan; Com-Check energy compliance submittal; Central District Health Department signature; Highway District signature; Fire District plan review and signature if in a fire district; Plans must be stamped by a design professional; Flood Development Permit with Elevation Certificate ($100 fee) required if the structure is located in a flood area; Contractors must provide current Idaho Contractor Registration number and expiration date. If your project isn't listed, confirm with Elmore County Land Use and Building Department at 208-587-2142 before starting work.

In Unincorporated Elmore County, the published Plan Review Fee — Commercial is: $200.00. Additional published fees: Building Permit Fee — Valuation-based per IBC Section 109 and the International Code Council Building Valuation Data (updated every 6 months); Building Permit Deposit — Tiered by building permit fee amount: <$500 fee = $100 deposit; $500-$1,000 = $250; $1,000-$2,000 = $500; $2,000-$3,000 = $750; $3,000-$4,000 = $1,000; >$4,000 = 25% of building permit fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Commercial plan review is published at up to 4-6 weeks under the 2018 International Building Code, compared to 2-3 weeks for residential (2018 IRC). Source: elmorecounty.org/land-use-and-building-department/building-permit-requirements/.

You'll need: Elmore County Zoning Permit Application; Elmore County Building Permit Application (revised 06-2026); Stamped Commercial Plan Set; Com-Check. See the required-documents checklist on this page for details on each.

Unincorporated Elmore County requires 3 inspection(s) for a commercial building permit (new construction / tenant improvement), in order: Footing/Foundation, Framing/Structural, Final. Schedule each through Elmore County Land Use and Building Department (208-587-2142).

Apply through Elmore County Land Use and Building Department at 2280 American Legion Blvd, Mountain Home, ID 83647. Phone: 208-587-2142, email: snuner@elmorecountyid.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://elmorecounty.org/land-use-and-building-department/.

Unincorporated Elmore County, Idaho has adopted: 2018 International Residential Code (IRC) — residential construction, as adopted statewide by the State of Idaho and enforced by Elmore County Land Use and Building Department (Resolution 790-21, approved January 15, 2021); 2018 International Building Code (IBC) — commercial/industrial construction, as adopted statewide by the State of Idaho and enforced by Elmore County (Resolution 790-21); 2018 International Energy Conservation Code (IECC) — Residential provisions, per Idaho statewide adoption; 2018 Idaho Manufactured Home Installation Standards — governs manufactured/mobile home placement and permanent foundation requirements; Elmore County Zoning and Development Ordinance — local zoning, setback, and land-use overlay provisions administered alongside the building code. Local amendments apply — see the Unincorporated Elmore County overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-08.

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 Elmore County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

This one’s complicated · Get an expediter

Tell us about your project and we’ll connect you with a permit expediter who works in Unincorporated Elmore County.

PermitBase may receive a referral fee from the expediter. This is a service introduction, not verified permit data or legal advice.

Other permits in Unincorporated Elmore County

Residential Building Permit (New Construction / Addition)Manufactured Home Placement PermitAgricultural Building Exemption (Notice of Proposed New Agricultural Building)Solar Roof/Ground Installation PermitEV Charger / EVSE Permit

Commercial Building Permit (New Construction / Tenant Improvement) in other cities

Eagle, IdahoEmmett, IdahoHeyburn, IdahoJerome, IdahoKuna, IdahoPayette, IdahoStar, IdahoUnincorporated Ada County, Idaho

Compare commercial building permit (new construction / tenant improvement) fees across Idaho →

Look up this fee in a different city →

Embed this data card →

Now live

Build your Unincorporated Elmore County project checklist

Describe your project once and get every permit, document, and fee it triggers in Unincorporated Elmore County — in one checklist. Sign up and pay once to generate it, or go unlimited with Pro.

Get started →