Plumbing Permit in Idaho Falls, Idaho
VerifiedRequired for plumbing installation, alteration, or repair work in Idaho Falls, governed by the Idaho State Plumbing Code (2017, based on the Uniform Plumbing Code) as adopted by Idaho Falls City Code Title 7, Chapter 5. Plumbing permits within city limits are issued and inspected directly by the City of Idaho Falls Building Division (Chief Plumbing/Mechanical Inspector on staff), not the Idaho DOPL Plumbing Bureau.
Verified 2026-07-03 · Source
When you need this permit
- Plumbing permit required before beginning any installation, alteration, repair, replacement, or remodeling of a plumbing system
- Permits not required for clearing plumbing stoppages or stopping minor leaks that do not require replacement/rearrangement of pipes or fixtures
- All plumbing work must be completed by an Idaho State-licensed plumbing contractor, except a homeowner performing work on their own primary residence (must occupy the home as primary residence for at least one year after work is completed)
- Governed by the Idaho State Plumbing Code (2017) as adopted and amended by Idaho Falls City Code § 7-5-1 and § 7-5-2
- Apply through the Cityworks portal
Required documents
- Required
Plumbing Permit Application
Submitted online through the Cityworks portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Plumbing Permit — Unit Fee for each Plumbing fixture/installation | $5.10 per installation | City of Idaho Falls Fee Schedule (October 2025), item 2.11.c.i |
| Residential Plumbing Permit — Unit Fee for each Gas Piping System | $5.10 per installation | City of Idaho Falls Fee Schedule (October 2025), item 2.11.c.ii |
| Commercial Plumbing Permit — first $20,000 of bid amount | 1.50% of first $20,000 of bid amount | City of Idaho Falls Fee Schedule (October 2025), item 2.10.c.i; bid amount includes total cost of equipment, materials, and labor governed by the Uniform Plumbing Code |
| Commercial Plumbing Permit — bid amount in excess of $20,000 | 0.75% of bid amount over $20,000 | City of Idaho Falls Fee Schedule (October 2025), item 2.10.c.ii |
| Permit Issuance Fee | $30.18 | City of Idaho Falls Fee Schedule (October 2025), item 2.13.a |
Review timeline
Not published
Idaho Falls does not publish a plan-review timeline — contact the building department for current turnaround.
Inspection process
- 1
Underground Plumbing
Before backfill or slab pour — verify pipe slope, materials, and cleanouts
- 2
Rough-In
After pipes installed, before walls closed
- 3
Final
All fixtures connected, no leaks, verified at combined Building/Mechanical/Electrical/Plumbing final
Tips
- The City of Idaho Falls Building Division issues and inspects plumbing permits directly — its own Chief Plumbing/Mechanical Inspector handles this, not the Idaho DOPL Plumbing Bureau.
- A homeowner may do their own plumbing work on their own primary residence without a state plumbing license, provided they occupy the home as their primary residence for at least one year after the work.
- The Idaho State Plumbing Code is based on the Uniform Plumbing Code (2017 edition adopted statewide), not the International Plumbing Code.
Frequently asked questions
- Can a homeowner do their own plumbing work in Idaho Falls?
- Yes, if the homeowner personally occupies (or will occupy) the residence as their primary residence for at least one year after the work is completed. Otherwise, all plumbing work must be done by an Idaho State-licensed plumbing contractor. Source: City of Idaho Falls Plumbing page.
Sources & verification
Verified against official sources. Last reviewed 2026-07-03.
- City of Idaho Falls Building Division (Department of Community Development Services) — official building department
- Plumbing | City of Idaho Falls
- 2025-2026 Fee Schedule (PDF) | City of Idaho Falls
- Idaho Falls City Code Title 7, Chapter 5 — Uniform Plumbing Code (PDF)
- 2017 Idaho State Plumbing Code (IAPMO)
- DOPL - State Plumbing Board
- Work Exempt from a Permit - Plumbing (PDF) | City of Idaho Falls
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 Idaho Falls building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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