Deck Permit Requirements in Des Plaines, IL
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By Joey, Founder · Last verified April 10, 2026 · How we research →
When you don’t need a Deck permit in Des Plaines
Freestanding decks not exceeding 30 inches above grade do not require a building permit in Chicago, IL.
When you need a Deck permit in Des Plaines
Attached decks require a building permit in Chicago, IL due to structural connection to the home.
Decks more than 30 inches above grade require a building permit in Chicago, IL. Structural plans and guard rails required.
Large covered decks (300+ sq ft) require building and zoning permits in Chicago, IL.
What Makes Des Plaines Different
Here's how Des Plaines'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 in Chicago, IL due to structural connection to the home.
Decks more than 30 inches above grade require a building permit in Chicago, IL. Structural plans and guard rails required.
1 rule match the IRC baseline, no surprises there.
Deck Permit Costs: Des Plaines vs. Nearby
Des Plaines comes in on the low side for Illinois. You're looking at $110 – $880 here, compared to the state average of $141 – $490.
| City | Estimated Fee |
|---|---|
| Des Plaines | $110 – $880 |
| Chicago | $110 – $880 |
| Aurora | $85 – $680 |
| Joliet | $80 – $640 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Des Plaines permit costs →
Zoning & HOA Considerations
Decks may be subject to zoning setback and lot coverage requirements. Check with your local planning department before building near property lines.
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 Des Plaines
Here's a typical timeline for a deck project in Des Plaines, IL:
Timeline is based on Des Plaines's typical about 4 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Estimated permit fees for Deck projects in Des Plaines, IL range from $110 – $880. 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 Des Plaines 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 Des Plaines 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 →