Do you need a plumbing permit in Arizona?
By Mario Bailey Last checked
- Always required
- 5
- of 8 jurisdictions
- Conditional
- 3
- depends on size or scope
- Not required
- 0
- exempt outright
Plumbing Permit rules nationwide, beyond Arizona.
Requirements and size thresholds for plumbing permits vary by locality. The table below compares what each Arizona county or city requires. Always confirm with the local office before starting.
Comparing states? See plumbing permit rules across every locality we cover.
The application steps and inspection sequence for plumbing permits come from the model code rather than from Arizona law, so they read the same wherever you build. We keep that walkthrough in one place: how a plumbing permit application and its inspections work, start to finish. What changes between Arizona jurisdictions is below: who requires a permit, what they charge, and which office you file with.
Swipe sideways to see thresholds and confidence.
| Locality | Permit required? | Typical threshold | Confidence |
|---|---|---|---|
| Chandler | Conditional | 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. | Confirmed on official page |
| Gilbert | Yes | 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. | From an official source |
| Maricopa County | Yes | Not specified | Confirmed on official page |
| Mesa | Yes | Not specified | From an official source |
| Peoria | Conditional | 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. | Confirmed on official page |
| Phoenix | Yes | Not specified | From an official source |
| Pima County | Conditional | 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. | Confirmed on official page |
| Scottsdale | Yes | Not specified | Confirmed on official page |
| No localities match your filter. | |||
What a plumbing permit costs in Arizona
7 Arizona jurisdictions we cover publish a fee figure for this work. Each line is quoted from that office's own schedule and linked to its citation. The figures are not comparable to one another: some are flat minimums, some a percentage of job value, some charged per fixture, so what you pay depends on which schedule applies and on your job's valuation.
No stand-alone plumbing fee line, minor combined work of 1-6 plumbing openings with limited gas or electrical is a flat $100 per 4.6.4(q), larger plumbing projects are billed as a standard building permit by valuation with a $50 minimum
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Individual Plumbing Permit, residential: $150 (fee schedule revised 7/1/2026).
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Flat fee of $50 to install or replace plumbing equipment, fixtures, or devices under Minor Self Service, per the Summary of the Fee Schedule
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A stand-alone plumbing permit is valuation based via the Residential Rate Table, $220 minimum for the $0 to $8,333 bracket plus a 4% technology fee capped at $800, per the Development Services Schedule of Fees (Ord. 5524, Dec 2025)
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Plumbing permits have no dedicated fee line (water heaters get the $98 minimum tier), general plumbing work is a valuation-based building permit under Table A, minimum $195 base fee for valuation up to $1,000 per the PDD Fee Schedule effective 1/20/2026
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Flat fee tiered by scope: minor work such as a water heater or a gas, water, or drain line replacement is $27, moderate work such as re-piping a single family dwelling is $198, per the Development Services Fee Schedule effective 2026-07-01
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Typical single-family plumbing work (water line repair, water heater, sewer line repair) is a no-plan-review Minimum Permit, flat $121, per the FY26/27 Permit Fee Schedule - Miscellaneous (Res. 13661)
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Jurisdictions not listed publish no dollar figure we could quote. Absence does not mean a permit is free.
Common questions about plumbing permits in Arizona
- Do I need a plumbing permit in Arizona?
- In most of Arizona, yes. Permits are issued locally, so the answer comes from your Arizona city or county rather than a single statewide rule. Of the 8 Arizona jurisdictions we have verified for plumbing work, 5 require a permit outright, 3 depend on the size or scope of the job, and 0 require none.
- Is there a plumbing permit exemption in Arizona?
- 3 of the 8 Arizona jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one Arizona county and permitted in the next. The table above lists each Arizona jurisdiction's published threshold in its own words, with the source and the date we verified it.
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