Plumbing Permit in Gilbert, Arizona
Permit required
Yes, a permit is required
Plumbing and gas piping work beyond the exempt replacements
Issued byDevelopment Services (Plan Review and Inspection Division)
By Mario Bailey, verified against official sources
Quick answer
Residential plumbing work, including gas lines and LPG tanks, is permitted under Gilbert's adopted 2018 IPC and 2018 IRC with Town amendments; submittals require a site plan showing utility routing and a gas diagram per the Miscellaneous Residential Checklist. Gilbert's amendments exempt water softeners and like-for-like gas or electric water heater replacements (not tankless) installed by an Arizona licensed contractor. An individual residential plumbing permit costs $150 with a plan review goal of 3 working days.
Typical threshold: Water softeners and like-for-like replacements of gas or electric water heating appliances (not tankless) installed by an Arizona licensed contractor are exempt from permit.
Who is pulling this permit?
Apply yourself
Hire it out
Sponsored
Plumbing permits are usually pulled by the plumber doing the job. If you are still choosing one, compare a few quotes first.
Compare plumber quotes on Angi
Sponsored link. PermitNotebook may earn a fee if you request quotes through it. Partners never influence our permit data.
When a permit is usually needed
Plumbing and gas piping work beyond the exempt replacements
What a plumbing permit costs in Gilbert
How Gilbert compares in Arizona
| Jurisdiction | Permit needed? | Threshold |
|---|---|---|
| Chandler | It depends | Like-for-like replacement of water conditioning/treatment equipment, solar pool or spa heating equipment, or electric water heating equipment is exempt when the replacement has equal or lesser capacity/amperage and is installed in the same location; new pipe work or system alterations require a permit. |
| Gilbertthis page | Permit required | Water softeners and like-for-like replacements of gas or electric water heating appliances (not tankless) installed by an Arizona licensed contractor are exempt from permit. |
| Maricopa County | Permit required | Not specified |
| Mesa | Permit required | Not specified |
| Peoria | It depends | Leak repairs, clearing stoppages and in-kind replacement of water closets, valves or fixtures are exempt, and a like-for-like water heater replacement in a one- or two-family dwelling is exempt only when performed by a licensed contractor; relocating or replacing concealed piping, valves or fixtures requires a permit. |
| Phoenix | Permit required | Not specified |
| Pima County | It depends | New pipe work, propane tanks, septic systems, sewer connections, solar water heaters, water heater replacement, and new dishwashers require a permit; clearing stoppages or repairing leaks that do not involve replacing valves, pipes, or fixtures, fixture swaps (sinks, toilets, tubs), and grade-supported water tanks up to 5,000 gallons do not. |
How to apply in Gilbert
In Gilbert, you apply for a residential plumbing permit at your local building department by filing an application that describes the scope of work and site, along with construction documents, before any regulated plumbing installation, alteration, or repair begins. Minor repairs that do not touch piping or fixtures are generally exempt, and once issued the permit only stays valid if work is started within its time limit.
What most plumbing permit applications include:
- For Gilbert, a permit is required before any owner or authorized agent constructs, alters, repairs, removes, converts, or replaces a plumbing system regulated by the code (IRC R105.1).
- For Gilbert, the application must identify and describe the work, describe the site, state the intended use and occupancy, and be signed by the applicant or an authorized agent (IRC R105.3).
- Two or more sets of construction documents must accompany the application, drawn with enough clarity to show the location, nature, and extent of the proposed plumbing work and how it will conform to code (IRC R106.1, R106.1.1).
- Minor plumbing repairs, such as clearing a stoppage or removing and resetting a water closet without rearranging pipes or fixtures, are exempt from permit (IRC R105.2).
- Once issued, a permit is only valid for a limited window, commonly 180 days, and becomes invalid if the work is not started or is abandoned within that time, though extensions can be requested (IRC R105.3.2, R105.5).
General submittal guidance from 2021 International Residential Code (IRC), Chapter 1 Scope and Administration, Sections R105 Permits and R106 Construction Documents. Source. Development Services (Plan Review and Inspection Division) sets the exact checklist for Gilbert.
Where to apply in Gilbert:
Development Services (Plan Review and Inspection Division)
- 90 E. Civic Center Drive, Gilbert, AZ 85296
- Phone: (480) 503-6700
- Email: onestopshop@gilbertaz.gov
Plumbing Permit in Gilbert compared with nearby Arizona localities
| Locality | Permit needed? | Threshold | What each Arizona schedule says | Verified |
|---|---|---|---|---|
| Gilbert | Permit required | Water softeners and like-for-like replacements of gas or electric water heating appliances (not tankless) installed by an Arizona licensed contractor are exempt from permit. | Individual Plumbing Permit, residential: $150 (fee schedule revised 7/1/2026). | |
| Chandler | It depends | Like-for-like replacement of water conditioning/treatment equipment, solar pool or spa heating equipment, or electric water heating equipment is exempt when the replacement has equal or lesser capacity/amperage and is installed in the same location; new pipe work or system alterations require a permit. | No stand-alone plumbing fee line, minor combined work of 1-6 plumbing openings with... | |
| Maricopa County | Permit required | Not specified | Flat fee of $50 to install or replace plumbing equipment, fixtures, or devices under... | |
| Mesa | Permit required | Not specified | A stand-alone plumbing permit is valuation based via the Residential Rate Table, $220... | |
| Peoria | It depends | Leak repairs, clearing stoppages and in-kind replacement of water closets, valves or fixtures are exempt, and a like-for-like water heater replacement in a one- or two-family dwelling is exempt only when performed by a licensed contractor; relocating or replacing concealed piping, valves or fixtures requires a permit. | Valuation-based building permit fee, minimum 87 dollars (Development Fee Schedule Rev... |
Inspections and closing out your permit
In Gilbert, plumbing inspections are timed to whatever is about to hide the pipe: underground and under-slab piping is checked before concrete covers it, rough-in piping is pressure or water tested before walls close up, and a final inspection checks every fixture and backflow protection once the work is complete.
- In Gilbert: piping and equipment placed under a slab or floor must be in place and inspected before any concrete is poured or floor sheathing is installed over it (IRC R109.1.1.1).
- In Gilbert: rough plumbing, along with the mechanical, gas, and electrical rough-in, must be inspected prior to covering or concealment and before fixtures or appliances are set (IRC R109.1.2).
- In Gilbert: rough drain, waste, and vent (DWV) piping is tested with water, air, or (for plastic piping) a vacuum, and must show no evidence of leakage before it is closed in (IRC P2503.5.1).
- In Gilbert: the water-distribution piping is tested and must hold tight under the system's working pressure, or under a 50 psi air test for non-plastic piping, before it is concealed (IRC P2503.7).
- In Gilbert: the framing inspection cannot proceed until the plumbing rough inspection, along with the mechanical and electrical rough inspections, has been approved (IRC R109.1.4).
- In Gilbert: at the final drainage test, each fixture is filled and then drained, and its traps and fixture connections must prove watertight by visual inspection (IRC P2503.5.2).
- In Gilbert: final inspection is made after all work required by the permit is complete, and includes confirming backflow protection, such as vacuum breakers on hose bibbs, is installed (IRC R109.1.6, P2902.4.3).
Schedule each inspection in advance and pass the final before you use the work or close the permit. Request inspections through the Gilbert permit portal or by phone at (480) 503-6700.
Inspection sequence from 2021 International Residential Code (IRC), Section R109 Inspections and Section P2503 Inspection and Tests. Source. An open permit left un-inspected can surface later in a title search or home sale.
Your Plumbing Permit checklist for Gilbert
- Confirm the requirement. Yes, a permit is required. Typical threshold: Water softeners and like-for-like replacements of gas or electric water heating appliances (not tankless) installed by an Arizona licensed contractor are exempt from permit. Usually needed: Plumbing and gas piping work beyond the exempt replacements.
- Budget the fee. Individual Plumbing Permit, residential: $150 (fee schedule revised 7/1/2026). Official fee schedule.
- Apply. In Gilbert, you apply for a residential plumbing permit at your local building department by filing an application that describes the scope of work and site, along with construction documents, before any regulated plumbing installation, alteration, or repair begins. Minor repairs that do not touch piping or fixtures are generally exempt, and once issued the permit only stays valid if work is started within its time limit. Start at the Gilbert permit portal.
- Keep the office details handy. Development Services (Plan Review and Inspection Division). Phone: (480) 503-6700. Address: 90 E. Civic Center Drive, Gilbert, AZ 85296.
- Plan for inspections. In Gilbert, plumbing inspections are timed to whatever is about to hide the pipe: underground and under-slab piping is checked before concrete covers it, rough-in piping is pressure or water tested before walls close up, and a final inspection checks every fixture and backflow protection once the work is complete.
Compiled from the official sources on this page. Last checked .
Frequently asked questions
- Do you need a plumbing permit in Gilbert?
- Residential plumbing work, including gas lines and LPG tanks, is permitted under Gilbert's adopted 2018 IPC and 2018 IRC with Town amendments; submittals require a site plan showing utility routing and a gas diagram per the Miscellaneous Residential Checklist. Gilbert's amendments exempt water softeners and like-for-like gas or electric water heater replacements (not tankless) installed by an Arizona licensed contractor. An individual residential plumbing permit costs $150 with a plan review goal of 3 working days. Always confirm with the Development Services (Plan Review and Inspection Division) before starting.
- How much does a plumbing permit cost in Gilbert?
- Individual Plumbing Permit, residential: $150 (fee schedule revised 7/1/2026). See the official fee schedule for current amounts.
- How long does a plumbing permit take in Gilbert?
- Plan review goal 3 working days per review for electric, plumbing, mechanical. Times can vary by workload and project scope, so confirm with the office.
- Where do you apply for a plumbing permit in Gilbert?
- You can apply through the Gilbert permit portal or contact the Development Services (Plan Review and Inspection Division) directly. The links are listed on this page.
- Can a homeowner pull a plumbing permit themselves in Gilbert?
- Under Arizona law (A.R.S. 32-1121(A)(5), (A)(9), (A)(14)(a); 32-1164(A)(2), (B)): Arizona addresses owner-builders through its contractor licensing law rather than through the building code itself. A.R.S. 32-1121(A)(5) exempts property owners who build or improve structures on their own land and do the work themselves, with their own employees, or with duly licensed contractors, as long as the finished structure is for the owner's own occupancy and is not intended for sale or rent. Selling or renting within one year of completion or of the certificate of occupancy is prima facie evidence the project was really undertaken for sale or rent, which defeats the exemption, a rule that functions much like Florida's one-year restriction. The exemption does not waive the underlying permit requirement: several of the chapter's small-job licensing exemptions, including the $1,000 casual-work exemption in A.R.S. 32-1121(A)(14), expressly do not apply whenever the work requires a local building permit, so once a job needs a permit, anyone doing that work for someone else generally must hold an Arizona contractor's license regardless of dollar amount. Acting as a contractor without a license, on permit-required work or otherwise, is a class 1 misdemeanor under A.R.S. 32-1164, carrying a mandatory minimum fine of $1,000 for a first offense and $2,000 for a repeat offense. Confirm how Gilbert applies this before you apply.
From the Library
What else needs a permit in Gilbert
Every other permit type we have verified for this jurisdiction, with the rule that applies here.
| Project | Permit needed? | Threshold | Typical fee |
|---|---|---|---|
| Deck Permit | It depends | Decks are not addressed in Gilbert's published amendments to the IRC R105.2 exemption list, so permit requirements follow the unamended 2018 IRC provisions, which Gilbert's own pages do not restate. | If a permit is required, valuation-based building permit fee, minimum $50 |
| Electrical Permit | Permit required | Exemptions include work by a serving utility and solar or like-for-like water heating appliance replacements installed by an Arizona licensed contractor under amended exemption 16. | Individual Electrical Permit, residential: $150 (fee schedule revised 7/1/2026). |
| Fence Permit | It depends | Gilbert's amended IRC R105.2 exempts only fences not over 3 feet high; the Town's pool barrier policy statement says internal fences over 3 feet in height require building permits and inspections. | Walls/Fences fee $180 as a separate single-family permit, or $120 when combined with a... |
| HVAC Permit | Permit required | Gilbert's amended IRC R105.2 mechanical exemption list includes a replacement-based exemption and cross-references the exemption for water heating appliance replacements by an Arizona licensed contractor. | Individual Mechanical Permit, residential: $150 (fee schedule revised 7/1/2026). |
| Patio Permit | It depends | Only one-story detached non-habitable accessory structures up to 200 square feet are exempt from permit; attached patio covers and larger structures require a building permit. | Valuation-based building permit fee, minimum $50 |
| Pool Permit | Permit required | Non-permanent wading pools of rubber or plastic holding no more than 18 inches of water are excepted from the pool enclosure regulations. | Swimming pool permit fee $300 for permanent in-ground pools/spas and $140 for portable... |
| Roof Replacement Permit | It depends | Re-roofing not requiring a structural change is exempt from permit; a re-roof that involves a structural change requires a building permit. | If a permit is required, valuation-based building permit fee, minimum $50 |
| Shed Permit | It depends | Structures less than 200 square feet do not require a permit; a permit is required at 200 square feet or larger, or if the shed has electrical or plumbing utilities or is connected to the house or another structure. | Valuation-based building permit fee, minimum $50 for work valued up to $1,100 |
| Solar Permit | It depends | Solar photovoltaic systems and solar hot water heating systems are exempt from permit when installed by an Arizona licensed contractor using equipment listed and labeled by a nationally recognized third-party testing agency. | No Town permit fee when the licensed-contractor exemption applies |
Plumbing Permit in other Arizona localities
Everything above, sourced
Code references
National and state model-code sections the general guidance on this page is drawn from. They are not Gilbert documents; the office above sets the local rules.
How this plumbing permit page for Gilbert was verified. 5 official sources: gilbertaz.gov, gilbertaz.gov, gilbertaz.gov, gilbertaz.gov, gilbertaz.gov; fee schedule: official document. Last checked by Mario Bailey, not confirmed with Development Services (Plan Review and Inspection Division). Rules change; confirm before you build. How we verify.
Last checked: Report an error on this page
Compare Plumbing Permit requirements across Arizona localities