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Water Heater Permit in St. George, Utah

Required for water heater installation, replacement, or conversion in St. George. A specific subset of the plumbing permit for this common project type. Even like-for-like replacements require a permit.

Verified 2026-07-23 · Source

When you need this permit

  • Water heater replacement (including like-for-like swaps)
  • New water heater installation
  • Conversion from tank to tankless water heater
  • Gas line modification for water heater

Required documents

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Fee schedule

Water Heater Permit (plumbing permit — minimum applies)Assessed on project valuation per St. George's published 1997 UBC building permit fee schedule (sgcityutah.gov Building Fee Sheet PDF, re-fetched and confirmed live 2026-07-01); water heater replacements typically fall at the published minimum permit fee of $60.60 ($60.00 + $0.60 D.O.C.) since job value is low. St. George does not publish a separate flat water heater fee — the valuation table itself (with its published minimum) is the grounded fee.
$60.60 minimum ($60.00 permit + $0.60 D.O.C.)
Reinspection FeeSt. George City Impact Fees document (effective 4/21/21)
$47.00 per hour (minimum one-half hour)

Review timeline

Plan reviewTypical estimate — confirm current times with the St. George building department
~1–3 business days

How long did your Water Heater Permit permit actually take in St. George?

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Inspection process

  1. 1

    Final

    Verify proper installation, venting, gas connections, T&P valve discharge, and seismic strapping (standard IRC/UPC water-heater installation requirements — not individually itemized in St. George's checklist); minimum 1-inch air gap on condensate and water conditioner drain lines is the specific requirement published as item 17 of the St. George Residential Final Inspection Checklist (re-confirmed live 2026-07-23 — item 17 reads only 'Minimum 1" air gap on condensate and water conditioner drain lines'; the T&P/seismic-strapping details were previously bundled under the same citation but do not appear in that checklist item and have been re-attributed here)

See the full St. George inspection guide — scheduling & re-inspection fees →

Tips

  • Water heater permits in St. George are typically approved same-day or next-day — among the fastest permits to obtain.
  • The minimum permit fee of $60.60 applies to most water heater replacements since the job value is typically low.
  • Gas water heaters require proper venting — high-efficiency/sealed-combustion units use PVC/CPVC vent; standard atmospheric units use metal B-vent.
  • Seismic strapping is required in Utah — two straps at the upper third and lower third of the tank.
  • T&P (temperature and pressure) relief valve discharge must terminate to within 6 inches of the floor or to the exterior.
  • A minimum 1-inch air gap is required on condensate and water conditioner drain lines per the St. George Final Inspection Checklist (item 17).

Frequently asked questions

Yes. St. George requires a plumbing permit for all water heater replacements, including like-for-like swaps. The minimum permit fee is $60.60. Utah allows homeowners to pull this permit for their own primary residence.

In St. George, the published Water Heater Permit (plumbing permit — minimum applies) is: $60.60 minimum ($60.00 permit + $0.60 D.O.C.). Additional published fees: Reinspection Fee — $47.00 per hour (minimum one-half hour). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a water heater permit in St. George typically runs 1–3 business days. This is an estimate, not a published figure — confirm current review times with St. George Building Department at (435) 627-4100.

You'll need: Permit Application (CityInspect). Depending on your project, St. George may also ask for: Equipment Specifications; Contractor License. See the required-documents checklist on this page for details on each.

St. George requires 1 inspection(s) for a water heater permit, in order: Final. Schedule each through St. George Building Department ((435) 627-4100).

Apply through St. George Building Department at 61 S Main St, St. George, UT 84770. Phone: (435) 627-4100, email: building@sgcity.org. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://sgcityutah.gov/departments/community_development/building_department.php.

St. George, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — Utah Code § 15A-2-103(1)(a); CURRENT as of 7/1/2026 (statute version headed 'Effective 7/1/2026 (Superseded 1/1/2027)', confirmed by direct fetch 2026-07-16). Supersedes the 2021 IBC, which governed through 6/30/2026.; 2021 International Residential Code (IRC) — Utah Code § 15A-2-103(1)(b); UNCHANGED by the 7/1/2026 code cycle — remains 2021 and continues in force (confirmed by direct statute fetch 2026-07-16).; Appendix AQ of the 2021 International Residential Code — Utah Code § 15A-2-103(1)(c) (confirmed by direct statute fetch 2026-07-16).; 2024 International Plumbing Code (IPC) — Utah Code § 15A-2-103(1)(d); CURRENT as of 7/1/2026 (confirmed by direct statute fetch 2026-07-16). Supersedes the 2021 IPC, which governed through 6/30/2026.; 2024 International Mechanical Code (IMC) — Utah Code § 15A-2-103(1)(e); CURRENT as of 7/1/2026 (confirmed by direct statute fetch 2026-07-16). Supersedes the 2021 IMC, which governed through 6/30/2026.; 2024 International Fuel Gas Code (IFGC) — Utah Code § 15A-2-103(1)(f); CURRENT as of 7/1/2026 (confirmed by direct statute fetch 2026-07-16). Supersedes the 2021 IFGC, which governed through 6/30/2026.; 2023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g); UNCHANGED by the 7/1/2026 code cycle — remains 2023 (confirmed by direct statute fetch 2026-07-16).; 2024 International Energy Conservation Code (IECC) — Utah Code § 15A-2-103(1)(h); CURRENT as of 7/1/2026 (confirmed by direct statute fetch 2026-07-16). ONE statewide edition — the statute does not split residential vs. commercial IECC editions. Supersedes the 2021 IECC, which governed through 6/30/2026.; 2024 International Existing Building Code (IEBC) — Utah Code § 15A-2-103(1)(i); CURRENT as of 7/1/2026 (confirmed by direct statute fetch 2026-07-16). Supersedes the 2021 IEBC, which governed through 6/30/2026.; Residential provisions of the 2024 International Swimming Pool and Spa Code (ISPSC) — Utah Code § 15A-2-103(1)(n); CURRENT as of 7/1/2026 (confirmed by direct statute fetch 2026-07-16). Supersedes the 2021 ISPSC, which governed through 6/30/2026.; NOTE (2026-07-16 corpus-staleness fix): This file previously stated the 2021 editions as current and only forecasted the 7/1/2026 flip; the effective date has now passed and the entries above have been corrected to state the 2024 editions (per §15A-2-103(1)(a)/(d)/(e)/(f)/(h)/(i)/(n)) as current, with the superseded 2021 editions preserved as historical context. IRC (2021) and NEC (2023) were NOT changed — verified unchanged directly against the live statute. The International Fire Code (IFC) is NOT adopted anywhere in Utah Code § 15A-2-103 — the statute has no IFC subsection; St. George's own building department page does not independently cite an IFC edition, so no IFC entry appears in this list.. Local amendments apply — see the St. George overview page for the full list.

Yes. Utah law allows homeowners to perform plumbing work including water heater replacement in their own primary residence, but a permit from St. George and a final inspection are still required. Apply at stg.cityinspect.com.

Sources & verification

Verified against official sources. Last reviewed 2026-07-23.

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

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