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Plumbing Permit in Middleton, Idaho

Required for all plumbing installations in Middleton, including new residential piping, fixture additions, and sewer/water connections. Governed by the 2017 Idaho State Plumbing Code (based on the 2015 Uniform Plumbing Code). Self-administered by the City Building Department.

Verified 2026-07-04 · Source

When you need this permit

  • Permit required before starting plumbing work; failure to obtain a permit prior to starting work results in double/triple fees
  • All permits applied for and issued through the CitizenServe portal; allow 24 hours for permit processing
  • Work must comply with the 2017 Idaho State Plumbing Code

Required documents

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

Not ready yet0 of 1 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

New Residential — single family dwelling, up to 1,500 sq ft
$130.00
New Residential — single family dwelling, 1,501 to 2,500 sq ft
$195.00
New Residential — single family dwelling, 2,501 to 3,500 sq ft
$260.00
New Residential — single family dwelling, 3,501 to 4,500 sq ft
$325.00
Existing Residential
$65.00 basic fee plus $10.00 per additional plumbing fixture up to the maximum for the corresponding square footage
Plumbing Residential Sewer & Water
$50.00 each, or $65.00 for combination if inspected at the same time
Modular, manufactured, or mobile home — plumbing (sewer and water stub connection)
$65.00 basic fee
Lawn sprinklers / water heaters / water conditioners
$65.00 basic fee per item
Request inspection / re-inspection / technical service
$65.00 minimum plus $65.00 per hour or portion thereof in excess of one hour, including travel

Review timeline

Plan reviewMiddleton’s published plan-review target
1–1 business days

How long did your Plumbing Permit permit actually take in Middleton?

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

Inspection process

  1. 1

    Underground / Rough-In

    Before concrete pour or wall closure — verify pipe slope, materials, cleanouts

  2. 2

    Final

    All fixtures connected, no leaks, proper venting verified

See the full Middleton inspection guide — scheduling & re-inspection fees →

Tips

  • Water heater replacement is billed as an 'existing residential' fixture addition: $65.00 basic fee plus $10.00 per fixture.
  • Middleton's plumbing inspector is C.J. Schoonover, (208) 350-3381.
  • Middleton uses the 2017 Idaho State Plumbing Code (based on the 2015 Uniform Plumbing Code) — not the International Plumbing Code.

Frequently asked questions

Middleton requires a plumbing permit for: Permit required before starting plumbing work; failure to obtain a permit prior to starting work results in double/triple fees; All permits applied for and issued through the CitizenServe portal; allow 24 hours for permit processing; Work must comply with the 2017 Idaho State Plumbing Code. If your project isn't listed, confirm with City of Middleton Building Department at (208) 585-3133 before starting work.

In Middleton, the published New Residential — single family dwelling, up to 1,500 sq ft is: $130.00. Additional published fees: New Residential — single family dwelling, 1,501 to 2,500 sq ft — $195.00; New Residential — single family dwelling, 2,501 to 3,500 sq ft — $260.00; New Residential — single family dwelling, 3,501 to 4,500 sq ft — $325.00; Existing Residential — $65.00 basic fee plus $10.00 per additional plumbing fixture up to the maximum for the corresponding square footage; Plumbing Residential Sewer & Water — $50.00 each, or $65.00 for combination if inspected at the same time; Modular, manufactured, or mobile home — plumbing (sewer and water stub connection) — $65.00 basic fee; Lawn sprinklers / water heaters / water conditioners — $65.00 basic fee per item; Request inspection / re-inspection / technical service — $65.00 minimum plus $65.00 per hour or portion thereof in excess of one hour, including travel. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Middleton's published plan-review target for a plumbing permit is 1–1 business days.

You'll need: Plumbing Permit Application (Attachment C, Revised 8/1/2024). See the required-documents checklist on this page for details on each.

Middleton requires 2 inspection(s) for a plumbing permit, in order: Underground / Rough-In, Final. Schedule each through City of Middleton Building Department ((208) 585-3133).

Apply through City of Middleton Building Department at 1103 W Main St, Middleton, ID 83644. Phone: (208) 585-3133, email: citmid@middletoncity.org. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://middleton.id.gov/Departments/Building.

Middleton, Idaho has adopted: 2018 International Building Code (IBC), with Idaho amendments — adopted by reference via Middleton City Code Title 4, Chapter 1 (state-adopted code); 2018 International Residential Code (IRC), Parts I, II, III and IX — Idaho Residential Code (2020 Edition amendments); 2018 International Existing Building Code (IEBC); 2018 International Energy Conservation Code (IECC) — Idaho Energy Conservation Code (2020 Edition amendments); 2018 International Mechanical Code (IMC); 2018 International Fuel Gas Code (IFGC); 2018 International Residential Code Parts V & VI (mechanical); 2017 Idaho State Plumbing Code (based on 2015 Uniform Plumbing Code); 2023 National Electrical Code (NEC), with Idaho amendments; 2018 International Fire Code (IFC) — administered by the Idaho State Fire Marshal, not the City; ICC/ANSI A117.1-2009 (Accessible and Usable Buildings and Facilities). Local amendments apply — see the Middleton overview page for the full list.

Middleton, like the rest of Idaho, uses the 2017 Idaho State Plumbing Code, based on the 2015 Uniform Plumbing Code (UPC), per the statewide DOPL-adopted codes list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-04.

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