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Plumbing Permit in Unincorporated Pinal County, Arizona

Required for plumbing installations, gas piping, and sewer/septic connections in unincorporated Pinal County under the 2018 IPC with county amendments. Uses the Article 6 unit-fee schedule (issuance fee plus per-fixture/per-system fees). Like-for-like water heater replacement (same type, size, location) is permit-exempt.

Verified 2026-07-07 · Source

When you need this permit

  • Permit required for new/altered plumbing fixtures, water piping, sewers, disposal systems, and gas piping systems
  • Gas line permits require a site plan noting the placement of the gas line, number of BTUs, length of run, and pipe size/type — see Information Bulletin 009 for residential gas pipe installation guidelines
  • Like-for-like replacement of a gas or electric water heater (same type, size, and location) is permit-exempt per Information Bulletin 003
  • Repair work requires a site plan (exterior) or floor plan (interior) showing location and scope of work
  • If gas service has been off for MORE than 6 months, a permit is required before re-energizing; LESS than 6 months with no work performed qualifies for a one-time courtesy inspection

Required documents

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Fee schedule

Plumbing permit issuanceFee Schedule No. 071013-BPFS, Article 6.
$42.00 (plus $6.50 per supplemental permit on an unexpired original permit)
Each plumbing fixture or trap/fixture setFee Schedule No. 071013-BPFS, Article 6, Section 1.
$8.75
Each building sewer / trailer park sewerFee Schedule No. 071013-BPFS, Article 6, Section 2.
$22.00
Each private sewage disposal systemFee Schedule No. 071013-BPFS, Article 6, Section 2.
$66.50
Water heater (including vent)Fee Schedule No. 071013-BPFS, Article 6, Section 3.
$11.00 each
Gas piping system, 1–5 outletsFee Schedule No. 071013-BPFS, Article 6, Section 4.
$5.50 (plus $1.00 per additional outlet over 5)

Review timeline

Plan reviewUnincorporated Pinal County’s published plan-review target
10–45 business days

How long did your Plumbing Permit permit actually take in Unincorporated Pinal County?

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

Inspection process

  1. 1

    Gas Piping Pressure Test

    Required before concealing gas piping — verify no leaks under test pressure per 2018 IFGC

  2. 2

    Final Plumbing

    All plumbing work complete and operational per 2018 IPC/IFGC; schedule via 520-866-6299

See the full Unincorporated Pinal County inspection guide — scheduling & re-inspection fees →

Tips

  • Like-for-like water heater replacement (same type, size, location) does not require a permit — but the county still recommends verifying manufacturer specification compliance.
  • For gas line permits, be ready with BTU count, run length, and pipe size/type for the site plan — incomplete gas-line submittals are a common cause of review delay.

Frequently asked questions

No, if it is a like-for-like replacement (same type, size, and location) — this is permit-exempt per Information Bulletin 003. If you're changing type, size, fuel source, or location, a plumbing permit is required. Source: https://www.pinal.gov/DocumentCenter/View/447

In Unincorporated Pinal County, the published Plumbing permit issuance is: $42.00 (plus $6.50 per supplemental permit on an unexpired original permit). Additional published fees: Each plumbing fixture or trap/fixture set — $8.75; Each building sewer / trailer park sewer — $22.00; Each private sewage disposal system — $66.50; Water heater (including vent) — $11.00 each; Gas piping system, 1–5 outlets — $5.50 (plus $1.00 per additional outlet over 5). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated Pinal County's published plan-review target for a plumbing permit is 10–45 business days.

You'll need: Mechanical/Plumbing/Electrical (MPE) Application. Depending on your project, Unincorporated Pinal County may also ask for: Information Bulletin 009 — Gas Piping. See the required-documents checklist on this page for details on each.

Unincorporated Pinal County requires 2 inspection(s) for a plumbing permit, in order: Gas Piping Pressure Test, Final Plumbing. Schedule each through Pinal County Building Safety Division (Community Development Department) (520-509-3555).

Apply through Pinal County Building Safety Division (Community Development Department) at 85 N. Florence Street, 1st Floor, Florence, AZ 85132 (mailing: P.O. Box 749, Florence, AZ 85132). Phone: 520-509-3555. Office hours: Monday–Friday 8:00 AM – 4:30 PM (Florence office). District offices in Apache Junction, Oracle, and Casa Grande are listed on department bulletins but noted as closed for Community Development as of the most recent published bulletin (Information Bulletin 004, Oct 2022) — confirm current district-office status by phone before visiting. Toll-free: 1-800-208-6897. Automated inspection line: 520-866-6299 (call before midnight the day before to get the next working day; areas of Mammoth, San Manuel, Dudleyville, Kearny, Superior & Top of the World are inspected only on Wednesdays).. Official information: https://www.pinal.gov/189/Building-Safety.

Unincorporated Pinal County, Arizona has adopted: Arizona has NO statewide mandatory building code floor for general construction — code adoption is a per-city/county authority under state enabling statutes (A.R.S. Title 9 for cities, A.R.S. §11-861 et seq. for counties). Pinal County's Building Safety Division administers construction codes directly for all unincorporated areas of the county under Pinal County Development Services Code Title 6, Chapter 6.05, and — per confirmed intergovernmental agreements (IGAs) — for the incorporated towns of Kearny, Superior, and Mammoth, which do not run their own building departments. Source: Pinal County Ordinance No. 121819-BCO (adopted 18 December 2019, effective 30 days later) and Information Bulletin 011 (Dec 2022), which lists Mammoth, San Manuel, Dudleyville, Kearny, Superior & Top of the World as areas the department directly inspects.; 2018 International Building Code (IBC), adopted with Pinal County amendments (Ordinance No. 121819-BCO, Exhibit A), including adopted Appendix I (Patio Covers), Appendix J (Grading), and Appendix K (ICC Electrical Code).; 2018 International Residential Code (IRC), adopted with Pinal County amendments (Ordinance No. 121819-BCO, Exhibit B), including adopted Appendices A, B, C, H, J, N, P, and S.; 2018 International Property Maintenance Code (IPMC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit C).; 2018 International Mechanical Code (IMC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit D).; 2018 International Plumbing Code (IPC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit E).; 2017 National Electrical Code (NEC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit F), including adopted Annex H (Administration and Enforcement).; 2018 International Swimming Pool and Spa Code (ISPSC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit J).; 2018 International Energy Conservation Code (IECC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit I).; 2018 International Fuel Gas Code (IFGC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit G).; 2018 International Fire Code (IFC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit H), including adopted Appendix B (Fire Flow Requirements) and Appendix D (Fire Apparatus Access).. Local amendments apply — see the Unincorporated Pinal County overview page for the full list.

Sources & verification

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

Fee schedules

Department & other records

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

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