Deck Permit Requirements in Kent, WA

Kent is a city of 136,588 residents in Washington that follows the 2021 IRC. For deck projects, Kent follows the IRC pretty closely, no major surprises compared to what most cities require. You're looking at roughly $70 – $244 in permit fees, plan on about 2 weeks for approval, plus you can apply online.

By Joey, Founder · Last verified March 29, 2026 · How we research →

Population: 136,588 Code: 2021 Verified: 2026-03-29 4 local rules

When you don’t need a Deck permit in Kent

Exempt·Rule 1

Freestanding decks not more than 30 inches above grade are exempt from a building permit.

SourceWashington Building Code / 2021 IRC with local amendments · view source

When you need a Deck permit in Kent

Required·Rule 1

Attached decks require a building permit even if under 30 inches.

Estimated Fee$70 – $244
Typical Timelineabout 2 weeks
SourceWashington Building Code / 2021 IRC with local amendments · view source
Required·Rule 2

Decks more than 30 inches above grade require a building permit.

Estimated Fee$112 – $375
Typical Timelineabout 2 weeks
SourceWashington Building Code / 2021 IRC with local amendments · view source
Required·Rule 3

Covered decks or those over 300 sq ft require a building permit.

Estimated Fee$150 – $450
Typical Timelineabout 3 weeks
SourceWashington Building Code / 2021 IRC with local amendments · view source

What Makes Kent Different

Here's how Kent's deck rules stack up against the standard IRC baseline that most of the country follows.

Stricter Than the IRC

Attached decks require a building permit even if under 30 inches.

Decks more than 30 inches above grade require a building permit.

1 rule match the IRC baseline, no surprises there.

Deck Permit Costs: Kent vs. Nearby

Kent comes in on the low side for Washington. You're looking at $70 – $450 here, compared to the state average of $133 – $442.

CityEstimated Fee
Kent $70 – $450
Seattle $120 – $960
Spokane $100 – $600
Tacoma $95 – $770

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Kent permit costs →

Zoning & HOA Considerations

Zoning

Decks may be subject to zoning setback and lot coverage requirements. Check with your local planning department before building near property lines.

HOA Communities

If you live in an HOA community: many HOAs restrict deck materials, colors, size, and placement. Review your CC&Rs and submit an architectural review request before applying for a building permit. HOA approval can take 1–6 weeks.

Estimated Project Timeline in Kent

Here's a typical timeline for a deck project in Kent, WA:

Week 1
Get quotes & finalize design
Contact licensed contractors, get 3+ quotes, finalize project scope and drawings (plan drawings required).
Week 2
Prepare permit documents
Contractor prepares site plan, construction drawings, and permit application. Gather required documents per your city's checklist.
Week 3
Submit permit application
Your contractor submits the application to Kent's building department, apply online here.
Week 4-6
Plan review & approval
Typical processing time in Kent: about 3 weeks. Plan review examiner checks drawings for code compliance.
Week 7+
Construction & inspections
Post the permit card on site. Work begins. Schedule inspections at required stages (varies by project). Final inspection required before closing the permit.

Timeline is based on Kent's typical about 3 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.

Need a Deck permit in Kent, WA?

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Building Department Contact

NameEconomic and Community Development - Permit Center
Address400 W Gowe St, Kent, WA 98032
HoursMon-Fri 9am-4pm

Frequently Asked Questions

Estimated permit fees for Deck projects in Kent, WA range from $70 – $450. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Deck 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 Kent 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 Deck permits in Kent 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 Deck Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Deck Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-29. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.