Skip to main content
CityRuleLookup

Auburn, WA Building Safety: Plumbing Permits (2026)

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

Key Facts

Adopted code
2021 Uniform Plumbing Code
Adopting section
ACC 15.07.010(D)(8)
Permit classification
Type I administrative decision
Rough-in inspection
Required before utility connection
Appeal deadline
20 calendar days
Max misdemeanor penalty
90 days jail / $1,000 fine

Summary

Auburn adopts the 2021 Uniform Plumbing Code by reference under ACC 15.07.010(D)(8) and classifies plumbing permits as Type I administrative decisions. Applicants file with the department of community development, pay plan-review and permit fees, and rough-in plumbing must be inspected before any connection to primary utilities.

8. Uniform Plumbing Code Adopted – Chapter 51-56 WAC. The 2021 Uniform Plumbing Code is adopted by reference, including Chapter 12, "Fuel Piping," Chapter 15, "Firestop Protection," Appendix A, "Recommended Rules for Sizing the Water Supply System," Appendix B, "Explanatory Notes on Combination Waste and Vent Systems," Appendix C, "Alternate Plumbing Systems," Appendix I, "Installation Standards," and those portions of the Uniform Plumbing Code relating to venting and combustion air of fuel-fired appliances as found in Chapter 5 and those portions of the code addressing building sewers.

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 7023, passed July 6, 2026).

Full Breakdown

010(D)(8) adopts the 2021 Uniform Plumbing Code by reference under Chapter 51-56 WAC, including Chapter 12 (Fuel Piping), Chapter 15 (Firestop Protection), Appendices A, B, C and I, and the sections addressing venting, combustion air for fuel-fired appliances, and building sewers. 010, a plumbing permit is classified as a Type I decision, meaning it is an administrative decision made by city staff that is not subject to State Environmental Policy Act review. 050 must identify the work, describe the parcel by tax number and street address, state the construction valuation, and include the property owner's and prime contractor's names, addresses and the contractor's state registration number and city business license.

080 requires a plan review fee paid when submittal documents are filed and a permit fee paid before issuance, both set by the city's adopted fee schedule; work performed without a permit draws an added investigation fee. Refund requests must be filed in writing within 180 days of application or payment. 090, rough-in plumbing, along with mechanical, gas piping and electrical work, must be inspected while under test before any connection is made to primary utilities. 130 and must be filed within 20 calendar days with the required filing fee.

Violations & Fines

Under ACC 15.07.140(E), failing to comply with the adopted plumbing code is a violation punishable as a misdemeanor, gross misdemeanor, or civil infraction depending on the underlying offense classification; where no specific penalty applies, a misdemeanor carries up to 90 days in jail and a $1,000 fine, and a gross misdemeanor carries up to one year and a $5,000 fine. The department of community development enforces building and plumbing codes, and the Auburn police chief may issue criminal citations when criminal sanctions apply.

Frequently Asked Questions

What plumbing code does Auburn, Washington use?
Auburn adopts the 2021 Uniform Plumbing Code by reference under ACC 15.07.010(D)(8), including its fuel piping, firestop protection and water supply sizing appendices, with amendments filed by the building official taking precedence over the adopted code.
Is a plumbing permit reviewed the same way as a rezone in Auburn?
No. ACC 14.03.010 classifies a plumbing permit as a Type I decision, an administrative staff-level review not subject to State Environmental Policy Act analysis, unlike quasi-judicial or legislative land-use actions.
What happens if plumbing work is inspected without a permit in Auburn?
Under ACC 15.07.080(A) the city can charge an added investigation fee on top of the permit fee, and under ACC 15.07.140 the work remains a code violation punishable as a misdemeanor or civil infraction until it is brought into compliance.

Sources & Official References

Other rules in Auburn

All Auburn rules

Compare Auburn to another location·View the Washington building safety overview

Get notified when Plumbing Permits in Auburn, WA changes

We'll email you the moment we detect a change in the code. No spam, unsubscribe anytime.

We'll never sell or share your email. One-click unsubscribe in every email.

See something wrong?

Help us keep this page accurate. If you notice an error or outdated information, let us know.

Plumbing Permits in Nearby Cities

How other cities in King County handle plumbing permits.

Renton, WA
Some Restrictions
Kirkland, WA
Some Restrictions
Kent, WA
Some Restrictions
Bellevue, WA
Some Restrictions
Federal Way, WA
Some Restrictions
Seattle, WA
Some Restrictions