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Residential Accessory Structure Permit (Shop, Pole Barn, Garage, Shed) in Unincorporated Bingham County, Idaho

Required for any detached accessory structure exceeding 200 square feet (120 square feet if commercial) in unincorporated Bingham County, and for any structure being occupied regardless of size. Governed by the 2018 IRC/IBC as adopted with Bingham County amendments. All metal buildings, pole barns, or shops over 60 feet in length or with 12-foot wood walls require stamped engineering.

Verified 2026-07-08 · Source

When you need this permit

  • Required for accessory structures exceeding 200 sf (120 sf if commercial use) and for any occupied structure regardless of size
  • Current recorded deed
  • Site plan with measurements to all property lines and existing structures
  • Septic Permit/Will-Serve Letter if adding a bathroom
  • Footing/Foundation or Setting Plan
  • Detailed building plans with floor plan and labeled uses
  • If using premanufactured trusses: truss layout from the truss company; detailed truss packet uploaded before framing inspection
  • Floor joist layout with legend from the truss company for each floor (unless slab-on-grade with no second floor)
  • Engineered, Idaho-stamped plans and structural calculations required for any metal building, pole barn, or shop exceeding 60 feet in length or with wood walls over 12 feet tall

Required documents

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Fee schedule

Accessory structure — non-refundable depositApplied to the final permit fee if the structure is approved and permitted; Bingham County Permit Forms page
$100.00
Building permit fee — Valuation-based, per-square-foot table (Fee Schedule Resolution 2026-17)Fee Schedule Resolution 2026-17, effective 3/6/2026
Framed Garage (attached) $16/sf | Carport $10/sf | Pole Building $16/sf | Shop $20/sf | Pre-manufactured Shed $10/sf | Foundation only $8/sf — then applied to the Residential Building Permit Valuation Table
Plan Review — Accessory StructureFee Schedule Resolution 2026-17
20% of Permit Fee

Review timeline

Plan review
Not published — contact the department

How long did your Residential Accessory Structure Permit (Shop, Pole Barn, Garage, Shed) permit actually take in Unincorporated Bingham County?

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

Inspection process

  1. 1

    Footing / Setback

    Combined footing and setback inspection per current county policy

  2. 2

    Framing

    Verifies structural framing, including truss details for premanufactured trusses

  3. 3

    Final

    All work complete per approved plans

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

Tips

  • All accessory structures require a $100 non-refundable deposit at application, applied toward the final permit fee if approved.
  • A structure over 200 square feet (120 sf if commercial) always needs a permit — and any occupied structure needs one no matter how small.
  • Metal buildings, pole barns, and shops over 60 feet long or with wood walls over 12 feet tall require Idaho-stamped engineered plans and structural calculations.

Frequently asked questions

Yes, if it exceeds 200 square feet (120 square feet for a commercial structure), or if it will be occupied regardless of size. A $100 non-refundable deposit is required at application, applied to the final permit fee. Source: Bingham County Residential Application Checklist (July 2024) and Permit Forms page.

In Unincorporated Bingham County, the published Accessory structure — non-refundable deposit is: $100.00. Additional published fees: Building permit fee — Valuation-based, per-square-foot table (Fee Schedule Resolution 2026-17) — Framed Garage (attached) $16/sf | Carport $10/sf | Pole Building $16/sf | Shop $20/sf | Pre-manufactured Shed $10/sf | Foundation only $8/sf — then applied to the Residential Building Permit Valuation Table; Plan Review — Accessory Structure — 20% of Permit Fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated Bingham County does not publish a plan-review timeline for this permit. Contact Bingham County Planning & Development — Building Division at 208-782-3177 for current turnaround.

You'll need: Residential Permit Application Checklist (July 2024) — Residential Accessory Building Permit section; ViewPointCloud Online Building Permit Application. See the required-documents checklist on this page for details on each.

Unincorporated Bingham County requires 3 inspection(s) for a residential accessory structure permit (shop, pole barn, garage, shed), in order: Footing / Setback, Framing, Final. Schedule each through Bingham County Planning & Development — Building Division (208-782-3177).

Apply through Bingham County Planning & Development — Building Division at 490 N Maple, Suite A, Blackfoot, ID 83221. Phone: 208-782-3177, email: buildingpermits@binghamid.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM (closed state & federal holidays). Official information: https://www.binghamid.gov/Building-Construction.

Unincorporated Bingham County, Idaho has adopted: 2018 International Building Code (IBC) with Bingham County Amendments — Bingham County Code 8-1-1; 2018 International Building Code with State Amendments (IDAPA 24.39.30) — Bingham County Code 8-1-1A; 2018 International Residential Code (IRC) with Bingham County Amendments — Bingham County Code 8-1-2; 2018 International Residential Code with State Amendments (IDAPA 24.30.39) — Bingham County Code 8-1-2A; 2018 International Energy Conservation Code (IECC) with State Amendments (IDAPA 24.39.30) — Bingham County Code 8-1-3; 2018 International Energy Conservation Code with Bingham County Amendment — Bingham County Code 8-1-3A; 2018 International Existing Building Code (IEBC), no amendments — Bingham County Code 8-1-4; International Mechanical Code (IMC) with State Amendments — Bingham County Code 8-1-5; 2018 International Fuel Gas Code (IFGC) with State Amendments — Bingham County Code 8-1-6; IRC Part V (Mechanical) and Part VI (Fuel Gas) for one- and two-family dwellings — Bingham County Code 8-1-7; Manufactured home installation standards — Bingham County Code 8-1-8. Local amendments apply — see the Unincorporated Bingham 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 Bingham County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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