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Plumbing Permit (incl. Water Heater) in Peoria, Arizona

Plumbing work in Peoria is governed by the 2018 International Plumbing Code (IPC) as adopted with City amendments per Ordinance 2019-12. Residential plumbing work for miscellaneous scopes (water heater replacement, fixture additions, etc.) is permitted via the 400M – Miscellaneous Building Permit Application submitted online at devservices.peoriaaz.gov. Permit fees are valuation-based under the Development Fee Schedule.

Verified 2026-07-16 · Source

When you need this permit

  • Plumbing work must comply with the 2018 IPC as adopted with City amendments per Ordinance 2019-12
  • Submit online at devservices.peoriaaz.gov with a 400M – Miscellaneous Building Permit Application for standalone plumbing scopes
  • Underground plumbing must pass a pressure test (soils lines at 5-foot head pressure; water service at operating pressure or 50 psi minimum for 15 minutes) before backfill
  • Proper material, fittings, slope, cleanouts, and trap arm lengths per 2018 IPC; copper and plastic piping must be sleeved at all IBF cross-overs

Required documents

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Fee schedule

Plumbing / water heater permit — valuation-basedPeoria Development Fee Schedule, Rev. 9/2025. Plan check fee is an additional 65% of the permit fee.
Minimum fee $87. Valuation-based permit fee per Development Fee Schedule. There is no separate flat-fee plumbing schedule; valuation is based on the scope of work.
Re-inspection feePeoria Development Fee Schedule, Rev. 9/2025.
$230 per re-inspection

Review timeline

Plan reviewPeoria’s published plan-review target
5–5 business days

How long did your Plumbing Permit (incl. Water Heater) permit actually take in Peoria?

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Inspection process

  1. 1

    Underground Plumbing

    Before backfill: sewer material, size, slope, cleanouts; soils/water service lines with pressure test (5-foot head for soils; 50 psi minimum for water for 15 minutes); gas lines sleeved and vented under slab. Proper bedding and shading required.

  2. 2

    Rough Plumbing (water and air test)

    Water or air test is required on plumbing lines before they are covered, per the Peoria inspection sequence for attached/detached structures (Handout 508).

  3. 3

    Final Plumbing

    All plumbing fixtures installed; T&P drain for water heater terminates 6 inches above finish grade to exterior; all hose bibbs installed with vacuum breakers; A/C condensate drains installed to exterior.

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

Tips

  • Peoria adopted the 2018 IPC (not UPC) with City amendments per Ordinance 2019-12.
  • Underground plumbing requires a pressure test before backfill: 5-foot head pressure test for soils lines; water service tested at operating pressure or 50 psi minimum for 15 minutes.
  • Copper and plastic piping must be sleeved at all interior bearing footing (IBF) cross-overs and protected where perpendicular to an IBF.

Frequently asked questions

Yes. A plumbing permit is required for water heater replacement. Submit a 400M – Miscellaneous Building Permit Application online at devservices.peoriaaz.gov. The permit fee is valuation-based with an $87 minimum. Source: City of Peoria Plan Review and Building Permits page and Peoria Development Fee Schedule, Rev. 9/2025.

In Peoria, the published Plumbing / water heater permit — valuation-based is: Minimum fee $87. Valuation-based permit fee per Development Fee Schedule. There is no separate flat-fee plumbing schedule; valuation is based on the scope of work.. Additional published fees: Re-inspection fee — $230 per re-inspection. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Peoria's published plan-review target for a plumbing permit (incl. water heater) is 5–5 business days.

You'll need: 400M – Miscellaneous Building Permit Application. See the required-documents checklist on this page for details on each.

Peoria requires 3 inspection(s) for a plumbing permit (incl. water heater), in order: Underground Plumbing, Rough Plumbing (water and air test), Final Plumbing. Schedule each through City of Peoria Development & Engineering Department — Building Development (623-773-7225).

Apply through City of Peoria Development & Engineering Department — Building Development at 9875 N. 85th Avenue, Peoria, AZ 85345. Phone: 623-773-7225, email: building.applications@peoriaaz.gov. Office hours: Monday – Thursday 7:00 AM – 6:00 PM (closed Fridays and holidays); Building inspectors available Monday – Thursday 6:00 AM – 2:30 PM. Official information: https://www.peoriaaz.gov/business/development-services/plan-review-and-permits.

Peoria, Arizona has adopted: 2018 International Building Code (IBC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Residential Code (IRC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Plumbing Code (IPC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Fuel Gas Code (IFGC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Mechanical Code (IMC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Energy Conservation Code (IECC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Property Maintenance Code (IPMC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2018 International Fire Code (IFC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2017 National Electrical Code (NEC), with City of Peoria amendments — adopted per Ordinance 2019-12; 2010 Americans with Disabilities Act Accessible Guidelines (ADAAG) — referenced for applicable projects; 2010 NFPA 13D — residential fire sprinkler systems (referenced in custom home requirements). Local amendments apply — see the Peoria overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-16.

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

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