Deck / Patio Permit Requirements in Gurnee, IL

Lake County village. Uses Illinois adopted 2018 IRC. Located along I-94 corridor.

Population: 30,288 Code: 2018 Verified: 2026-03-21 4 local rules

When you DON'T need a permit

Freestanding decks not exceeding 30 inches above grade do not require a building permit in Gurnee, IL.

Source: Village of Gurnee Building Code / Illinois adopted 2018 IRC

When you DO need a permit

Attached decks require a building permit in Gurnee, IL due to structural connection to the home.

Estimated fee: $70 – $270

Typical timeline: About 2 weeks

Source: Village of Gurnee Building Code / Illinois adopted 2018 IRC

Decks more than 30 inches above grade require a building permit in Gurnee, IL. Structural plans and guard rails required.

Estimated fee: $100 – $410

Typical timeline: About 3 weeks

Source: Village of Gurnee Building Code / Illinois adopted 2018 IRC

Large covered decks (300+ sq ft) require building and zoning permits in Gurnee, IL.

Estimated fee: $170 – $545

Typical timeline: About 3 weeks

Source: Village of Gurnee Building Code / Illinois adopted 2018 IRC

Zoning Note

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

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Building Department Contact

NameBuilding Safety Division
Address325 N O'Plaine Rd, Gurnee, IL 60031
HoursMon-Fri 8am-4:30pm

Frequently Asked Questions

Estimated permit fees for Deck / Patio projects in Gurnee, IL range from $70 – $270. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Deck / Patio 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 Gurnee 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 / Patio permits in Gurnee is About 2 weeks. More complex projects may take longer if plan review is required.

Learn More About Deck / Patio Permits

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

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Disclaimer: This information was last verified on 2026-03-21. 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.