Shed / Outbuilding Permit Requirements in Joliet, IL

Joliet is a city of 150,362 residents in Illinois that follows the 2018 IRC. Joliet's building department is stricter than the standard IRC on shed / outbuilding work, expect fewer exemptions and more situations that require a permit. You're looking at roughly $80 – $320 in permit fees, and plan on about 2 weeks for approval.

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

Population: 150,362 Code: 2018 Verified: 2026-03-29 3 local rules

When you don’t need a permit

Exempt·Rule 1

Sheds 120 square feet or less without electrical or plumbing are exempt from permits.

SourceIllinois State Building Code (IRC-based) / Joliet Municipal Code

When you do need a permit

Required·Rule 1

Sheds larger than 120 square feet require a building permit.

Estimated Fee$80 – $320
Typical Timelineabout 2 weeks
SourceIllinois State Building Code (IRC-based) / Joliet Municipal Code
Required·Rule 2

Sheds with electrical service require building and electrical permits.

Estimated Fee$120 – $400
Typical Timelineabout 2 weeks
SourceIllinois State Building Code (IRC-based) / Joliet Municipal Code

Shed / Outbuilding Permit Costs: Joliet vs. Nearby

Joliet's fees are right in line with the Illinois average, $80 – $400 versus $88 – $313 statewide.

CityEstimated Fee
Joliet $80 – $400
Chicago $110 – $550
Aurora $85 – $425
Naperville $100 – $500

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

Zoning & HOA Considerations

Zoning

Sheds may be subject to zoning setback requirements and lot coverage limits. Placement near property lines or in front yards may require zoning approval.

HOA Communities

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.

Estimated Project Timeline in Joliet

Here's a typical timeline for a shed / outbuilding project in Joliet, IL:

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 Joliet's building department.
Week 4-6
Plan review & approval
Typical processing time in Joliet: about 2 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 Joliet's typical about 2 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.

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Building Department Contact

NameBuilding & Inspectional Services Division
Address150 W Jefferson St, Joliet, IL 60432
HoursMon-Fri 8am-4:30pm

Frequently Asked Questions

Estimated permit fees for Shed / Outbuilding projects in Joliet, IL range from $80 – $400. 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 Joliet 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 Joliet 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 →

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.