Plumbing Permit — Casa Grande, Arizona · Requirements sheet
Verified 2026-07-06 · Source: https://casagrandeaz.gov/231/Building
PermitBase is an independent reference and is not affiliated with any government agency. Requirements change and vary by project — confirm current details with the building department before you submit.
Plumbing Permit in Casa Grande, Arizona
Required for plumbing installation, alteration, or repair work in Casa Grande, governed by the 2018 International Plumbing Code (IPC) as adopted and amended by the City. Includes gas line repair/replacement, which requires City inspection before the gas utility restores service.
Verified 2026-07-06 · Source
When you need this permit
- Plumbing permit required for installation, alteration, or repair of plumbing systems, fixtures, water heaters, and gas piping
- Governed by the 2018 IPC and 2018 IFGC as adopted by the City of Casa Grande
- Gas water heaters require high/low combustion air supply at a rate of 1 sq in per 2,000 Btu (Quick Codes handout)
- Gas line repair/replacement requires a City permit and inspection before the gas company will restore service; submit a sketch showing line location, depth, pipe size, and materials
- Apply at the Development Center, 510 E. Florence Blvd.
Required documents
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Fee schedule
Review timeline
Inspection process
- 1
Underground/Slab
Before concrete pour — verify pipe slope, materials, cleanouts
- 2
Rough-In
After pipes installed, before walls closed
- 3
Final
Fixtures connected, water heater and gas connections verified, no leaks; required before gas utility will restore service on repaired lines
See the full Casa Grande inspection guide — scheduling & re-inspection fees →
Tips
- Plumbing single-trade permits fall under 'Single Trade (MPE Permit)' on the City's A.R.S. § 9-835 review timeframe chart: 2-business-day Administrative Completeness Review, plus 10 business days each for Initial and Resubmittal Substantive Review (24-business-day Over-All Timeframe maximum).
- Gas line repair is not a routine same-day item — the utility company will not restore gas service until the City has inspected and approved the repaired line, so plan for the permit/inspection cycle before requesting reconnection.
- Electrical, mechanical, and plumbing single-trade permits share one consolidated flat fee line ($75 residential / $300 commercial) on the fee schedule rather than separate per-trade dollar amounts.
Frequently asked questions
Sources & verification
Verified against official sources. Last reviewed 2026-07-06.
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 Casa Grande building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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