Plumbing Permit in Unincorporated Maricopa County, Arizona
Required for plumbing installations and repairs in the unincorporated areas of Maricopa County. Maricopa County Planning and Development issues plumbing permits under the 2018 International Plumbing Code (IPC) with local amendments. Web-issued (instant) and standard-review categories apply depending on project type. Water heater replacement does not require a permit if done per manufacturer's specifications. Applications are submitted online through Permit Center.
Verified 2026-06-29 · Source
When you need this permit
- Web-issued (instant, automated): plumbing repair like-for-like; solar water heater with ground-mounted tank; sewer line repair for single-family residential
- Non-technical (1–2 business day processing): new gas line for BBQ, fireplace, pit, wok, Kiva, pool/spa heater; propane tank less than 250 gallons
- Technical/standard review: propane tanks 250 gallons or larger
- Apply online through Permit Center at https://maricopacountyaz-energovweb.tylerhost.net/apps/selfservice
- Virtual inspections available for: Repair/Replace Gas Line; Sewer/Septic Lines
Required documents
- Req
Online Permit Center Application
All plumbing permits are applied for through Permit Center online at https://maricopacountyaz-energovweb.tylerhost.net/apps/selfservice
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Plumbing repair/replace like-for-like; sewer line SFR; irrigation system (Minor Self Service) | $50 flat each | Local Additions and Addenda Flat Rate Fees (June 2024 Summary of Fee Schedule) |
| Plumbing — install or replace equipment/fixture/devices (Minor Self Service) | $50 flat | Local Additions and Addenda Flat Rate Fees |
| New gas line: BBQ, fireplace, pit, wok, Kiva, pool/spa heater (Minor Self Service) | $50 flat | Local Additions and Addenda Flat Rate Fees |
Review timeline
~1–10 business days
Typical estimate — confirm current times with the Unincorporated Maricopa County building department
Inspection process
- 1
Gas Piping Pressure Test
Required before concealing gas piping — verify no leaks under test pressure per 2018 IFGC
- 2
Final Plumbing
All plumbing work complete and operational per 2018 IPC/IFGC
Tips
- Water heater replacement does NOT require a permit in unincorporated Maricopa County if done in accordance with the manufacturer's specifications. However, an optional voluntary inspection permit may be applied for if you want county inspection of the work.
- Virtual inspections are available for gas line repair/replacement and sewer/septic lines — apply and schedule through Permit Center.
- Propane tanks of 250 gallons or larger require a technical review with site plan; tanks under 250 gallons are a non-technical permit processed in 1–2 business days.
Frequently asked questions
- Do I need a permit to replace my water heater in unincorporated Maricopa County?
- No. Maricopa County no longer requires a building permit to replace an existing water heater, provided the work is done in accordance with the manufacturer's specifications. However, if you wish to have Maricopa County inspect the work, you may apply for a voluntary permit through Permit Center. Source: https://www.maricopa.gov/1629/Construction-Permit-Information
Sources & verification
Verified against official sources. Last reviewed 2026-06-29.
- Maricopa County Planning and Development Department — official building department
- Construction Permit Information (Minor Permits) | Maricopa County
- Summary of the Fee Schedule, June 2024 — PDF
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 Maricopa County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
Other permits in Unincorporated Maricopa County
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