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Pinal County, AZ Building Safety: Plumbing Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Adopted code
International Plumbing Code 2018
Adopting section
PCDSC § 6.05.030(A)(5)
Administering agency
Dept. of Building Safety
Criminal penalty
Class 2 misdemeanor, up to $750
Civil penalty cap
$750 individual / $10,000 enterprise

Summary

Plumbing installations in unincorporated Pinal County must follow the International Plumbing Code, 2018 Edition, adopted by the Board of Supervisors as part of the county building code and enforced by the Department of Building Safety through permits, compliance review, and inspections.

These county ordinances apply to unincorporated areas of Pinal County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

International Plumbing Code, 2018 Edition, as amended in Exhibit E, attached hereto, published by the International Code Council, hereinafter described as Attachment No. 5, or IPC.

Full Breakdown

030(A)(5) adopts the International Plumbing Code, 2018 Edition, published by the International Code Council, as Attachment No. 5 to the Pinal County building code, with county amendments attached as Exhibit E. 030(B). 060 generally requires a compliance review number from the Department of Planning and Development Services, though the code exempts plumbing permits that involve no change of use or additional area affecting required setbacks. 070, the building official may require whatever application data is reasonably needed to confirm the proposed plumbing work complies with the adopted IPC and other applicable ordinances. 050(C).

Violations & Fines

Doing plumbing work without a required permit, or otherwise violating the adopted plumbing code, is a Class 2 misdemeanor under PCDSC § 6.05.080(A), punishable by up to four months in county jail and a fine of up to $750.00; each failed permit clearance, compliance review, or inspection is charged as a separate violation. The county may instead impose a civil penalty under § 6.05.080(B), capped at $750.00 for an individual or $10,000.00 for a business enterprise, with a right to an administrative hearing and review by the Board of Supervisors.

Frequently Asked Questions

What plumbing code applies in unincorporated Pinal County?
The county adopted the International Plumbing Code, 2018 Edition, by reference under PCDSC § 6.05.030(A)(5), with local amendments in Exhibit E, as part of the countywide building code enforced by the Department of Building Safety.
Is a compliance review required before a plumbing permit?
Most plumbing permits are exempt. PCDSC § 6.05.060 requires a compliance review number from Planning and Development Services before most building permits, but it specifically excludes plumbing permits that do not involve a change of use or additional area affecting setbacks.
What is the penalty for unpermitted plumbing work?
PCDSC § 6.05.080 makes it a Class 2 misdemeanor punishable by up to four months in jail and a $750 fine, with each missed permit, compliance review, or inspection counted separately, or the county can seek a civil penalty up to $750 for an individual or $10,000 for an enterprise.

Sources & Official References

Other rules in Pinal County

All Pinal County rules

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