Shed / Outbuilding Permit Requirements in Auburn, WA
Auburn is a city of 85,513 residents in Washington that follows the 2021 IRC. Auburn is generally more lenient than the standard IRC when it comes to shed / outbuilding projects — more exemptions and fewer permit triggers. You're looking at roughly $52 – $175 in permit fees, plan on about About 2 weeks for approval — plus you can apply online.
When you DON'T need a permit
Accessory structures 120 square feet or less do not require a building permit.
Source: Washington Building Code / 2021 IRC with local amendments
When you DO need a permit
Accessory structures over 120 square feet require a building permit.
Estimated fee: $52 – $175
Typical timeline: About 2 weeks
Source: Washington Building Code / 2021 IRC with local amendments
Sheds with electrical wiring require an electrical permit regardless of size.
Estimated fee: $35 – $105
Typical timeline: About 1 week
Source: Washington Building Code / 2021 IRC with local amendments
What Makes Auburn Different
Here's how Auburn's shed / outbuilding rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Accessory structures over 120 square feet require a building permit.
Sheds with electrical wiring require an electrical permit regardless of size.
1 rule match the IRC baseline — no surprises there.
Shed / Outbuilding Permit Costs: Auburn vs. Nearby
Auburn comes in on the low side for Washington. You're looking at $35 – $175 here, compared to the state average of $66 – $232.
Zoning & HOA Considerations
Sheds may be subject to zoning setback requirements and lot coverage limits. Placement near property lines or in front yards may require zoning approval.
If you live in an HOA community: many HOAs restrict or prohibit outbuildings. Check your CC&Rs for rules on shed size, placement, materials, and appearance before purchasing or building.
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Frequently Asked Questions
Estimated permit fees for Shed / Outbuilding projects in Auburn, WA range from $52 – $175. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Shed / Outbuilding projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Auburn can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Shed / Outbuilding permits in Auburn is About 2 weeks. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Shed / Outbuilding Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Shed / Outbuilding Guide →