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Port Townsend, WA Building Safety: Plumbing Permits (2026)

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

Key Facts

Adopted code
2021 Uniform Plumbing Code
State amendments
WAC Chapter 51-56
Enforcing official
PCD director or designee
Penalty basis
Chapter 1.20 PTMC

Summary

Port Townsend enforces the 2021 Uniform Plumbing Code as amended by the state, and plumbing work needs a permit under the adopted building code administrative rules.

F. The Uniform Plumbing Code, 2021 Edition, published by the International Association of Plumbing and Mechanical Officials, as amended by the Washington State Building Code Council in Chapter 51-56 WAC (including adoption of Appendices A, B and I).

G. The Washington State Energy Code, Commercial Provisions, 2021 Edition, including Appendix chapters, as adopted and amended by the Washington State Building Code Council in Chapter 51-11C WAC.

H. The Washington State Energy Code, Residential Provisions, 2021 Edition, including Appendix chapters, as adopted and amended by the Washington State Building Code Council in Chapter 51-11R WAC. (Ord. 3315 § 1 (Exh. A), 2024; Ord. 3269 § 1 (Exh. A), 2021; Ord. 3152 § 1 (Exh. A), 2016; Ord. 3093 § 1 (Exh. A), 2013; Ord. 3039 § 1 (Exh. A), 2010; Ord. 2947 § 1, 2007).

View official code

Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 3364, passed May 18, 2026).

Full Breakdown

The city adopts the 2021 Uniform Plumbing Code, as amended by the Washington State Building Code Council in WAC 51-56, by reference in PTMC 16.04.020(F). Administrative provisions from International Building Code Chapter 1 govern permitting, inspection, and enforcement for all codes listed in PTMC 16.04.020, so plumbing installations and alterations go through the same building-permit process as construction work. The director of planning and community development (or a designee) is the enforcing official for all adopted codes, including plumbing.

Violations & Fines

Violations of Chapter 16.04 PTMC or any permit issued under it are subject to Chapter 1.20 PTMC, which allows abatement, criminal penalty, and civil penalty.

Frequently Asked Questions

Do I need a permit for plumbing work in Port Townsend?
Yes. Plumbing follows the same building-permit administrative process as other adopted construction codes under PTMC 16.04.
Which plumbing code applies?
The 2021 Uniform Plumbing Code, as amended by Washington's Building Code Council in WAC 51-56.

Sources & Official References

Other rules in Port Townsend

All Port Townsend rules

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