Plumbing Permit in Gilbert, Arizona
Required for installation, alteration, repair, and replacement of plumbing systems in the Town of Gilbert. Governed by the 2018 IPC with Town of Gilbert amendments (Code Chapter 10-31). Like-for-like replacements by AZ licensed contractors may qualify for OTC review. Like-for-like water heater replacements (storage-tank type, not tankless conversions) by Arizona licensed contractors are exempt from permit per IBC §105.2 item 16.
Verified 2026-06-29 · Source
When you need this permit
- Submit through OneStopShop portal at onestopshop.gilbertaz.gov
- Arizona ROC-licensed plumbing contractor required (owner-builder exemptions may apply for owner-occupied residential)
- Work must comply with 2018 IPC as amended by Town of Gilbert Technical Codes 2020 Edition
- Like-for-like replacements of storage-tank water heaters and HVAC by AZ licensed contractors are exempt from permit (IBC §105.2 item 16 / IRC Plumbing item 3)
Required documents
- Req
Plumbing Permit Application
Permit application submitted through OneStopShop at onestopshop.gilbertaz.gov
- Opt
Plumbing Plans
Required for new construction and significant alterations; may be OTC for simple replacements
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Individual Plumbing Permit (Residential) — flat fee | $150 | Source: Town of Gilbert Development Services Fee Schedules (doc 5883), Applied Miscellaneous Building Fees — Individual Plumbing Permit, Residential, effective July 1, 2025, Resolution 4563. |
| Individual Plumbing Permit (Commercial) — flat fee | $300 | Source: Town of Gilbert Development Services Fee Schedules (doc 5883), Applied Miscellaneous Building Fees — Individual Plumbing Permit, Commercial, effective July 1, 2025, Resolution 4563. |
| Building Permit Fee — valuation-based (for larger plumbing projects) | Same valuation-based table as building permits; $50.00 minimum for work valued $1.00–$1,100.00 | Source: Town of Gilbert Development Services Fee Schedules (doc 5883), Building Permit and Plan Review Fees Table, effective July 1, 2025, Resolution 4563. |
| Plan Review Fee (where plan review is required) | 65% of the calculated Building Permit Fee | Source: Town of Gilbert Development Services Fee Schedules (doc 5883), effective July 1, 2025, Resolution 4563. |
| Re-inspection Fee | $150 | Source: Town of Gilbert Development Services Fee Schedules (doc 5883), Applied Miscellaneous Building Fees, effective July 1, 2025, Resolution 4563. |
Review timeline
3–3 business days
Gilbert’s published plan-review target
Inspection process
- 1
Rough Plumbing Inspection
Inspection of plumbing rough-in before covering or concealment, and before fixtures or appliances are set (per IRC §R109.1.2 as amended)
- 2
Final Plumbing Inspection
Final inspection confirming all plumbing work complete and compliant
Tips
- Like-for-like storage-tank water heater replacements by an Arizona licensed contractor are exempt from permit (IBC §105.2 item 16 as locally amended). Conversions to tankless systems are not covered by this exemption.
- Nonpotable water, rainwater collection, reclaimed water, and subsurface irrigation system provisions (IPC §P2910–P2913, P3009) are deleted in their entirety by Gilbert's local amendments.
- Commercial electric, plumbing, and mechanical permit reviews have a 3/3 working-day goal.
- Individual flat-fee plumbing permits: $150 residential, $300 commercial (adopted July 1, 2025).
Frequently asked questions
- Do I need a permit to replace a water heater in Gilbert?
- Not if it is a like-for-like replacement of a storage-tank water heater performed by an Arizona licensed contractor — this is exempt per Gilbert's local amendment to IBC §105.2 (item 16). Converting from tank to tankless requires a permit.
Sources & verification
Verified against official sources. Last reviewed 2026-06-29.
- Town of Gilbert Development Services Department — Plan Review and Inspection Division — official building department
- Town of Gilbert Development Services Fee Schedule (Resolution 4563, effective July 1, 2025) — archived snapshot; live doc 5883 currently 404s
- Town of Gilbert Technical Codes 2020 Edition (Code Chapter 10-31, IBC and IRC amendments)
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 Gilbert building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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