Plumbing Permit in Gilbert, Arizona

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.

In Gilbert, the published Individual Plumbing Permit (Residential) — flat fee is: $150. Additional published fees: Individual Plumbing Permit (Commercial) — flat fee — $300; 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; Plan Review Fee (where plan review is required) — 65% of the calculated Building Permit Fee; Re-inspection Fee — $150. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Gilbert's published plan-review target for a plumbing permit is 3–3 business days.

You'll need: Plumbing Permit Application. Depending on your project, Gilbert may also ask for: Plumbing Plans. See the required-documents checklist on this page for details on each.

Gilbert requires 2 inspection(s) for a plumbing permit, in order: Rough Plumbing Inspection, Final Plumbing Inspection. Schedule each through Town of Gilbert Development Services Department — Plan Review and Inspection Division ((480) 503-6700).

Apply through Town of Gilbert Development Services Department — Plan Review and Inspection Division at 90 E. Civic Center Drive, Gilbert, AZ 85296. Phone: (480) 503-6700, email: onestopshop@gilbertaz.gov. Office hours: Monday–Thursday: 7:00 AM–6:00 PM; Friday: Closed (Town Hall operates a 4-day/10-hour week; confirmed live on the Development Services department page 2026-07-16). Official information: https://www.gilbertaz.gov/departments/development-services.

Gilbert, Arizona has adopted: 2018 International Building Code (IBC), with Appendices C, I, and K, and Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739, Town of Gilbert Technical Codes 2020 Edition); 2018 International Residential Code (IRC), with Appendices H, P, and Q, and Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2018 International Mechanical Code (IMC), with Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2018 International Plumbing Code (IPC), with Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2018 International Energy Conservation Code (IECC), with Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2018 International Fuel Gas Code (IFGC), with Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2018 International Fire Code (IFC), with Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2018 International Green Construction Code (IgCC) — voluntary adoption only — effective January 1, 2020 (Ordinance 2739); 2017 National Electrical Code (NEC), with Town of Gilbert amendments — effective January 1, 2020 (Ordinance 2739); 2010 ADA Standards for Accessible Design — effective January 1, 2020 (Ordinance 2739); Town of Gilbert Technical Codes 2020 Edition — local amendment overlay (Code of Gilbert Chapter 10, Sections 10-31 and 10-32) incorporating December 2023 amendments per gilbertaz.gov Document 35111. Local amendments apply — see the Gilbert overview page for the full list.