Retaining Wall Permit Requirements in Des Plaines, IL
EnerGov self-service.
By Joey, Founder · Last verified April 10, 2026 · How we research →
When you don’t need a Retaining Wall permit in Des Plaines
Retaining walls under 4 feet do not require a building permit in Chicago, IL, unless supporting a surcharge.
When you need a Retaining Wall permit in Des Plaines
Retaining walls 4 feet or taller require a building permit and engineered design in Chicago, IL.
Retaining walls supporting a surcharge require a building permit in Chicago, IL regardless of height.
What Makes Des Plaines Different
Here's how Des Plaines's retaining wall rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Des Plaines drops the height feet threshold to 3 feet. The IRC allows up to 4 feet before requiring a permit.
Retaining walls 4 feet or taller require a building permit and engineered design in Chicago, IL.
Retaining walls supporting a surcharge require a building permit in Chicago, IL regardless of height.
Retaining Wall Permit Costs: Des Plaines vs. Nearby
Des Plaines runs higher than average for Illinois. Expect $165 – $660 versus the state average of $121 – $509.
| City | Estimated Fee |
|---|---|
| Des Plaines | $165 – $660 |
| Chicago | $165 – $660 |
| Aurora | $128 – $510 |
| Joliet | $120 – $480 |
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
Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.
If you live in an HOA community: some HOAs restrict retaining wall materials and appearance. Visible retaining walls in front or side yards may need architectural review approval for material and design.
Estimated Project Timeline in Des Plaines
Here's a typical timeline for a retaining wall project in Des Plaines, IL:
Timeline is based on Des Plaines's typical about 3 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
Need a Retaining Wall permit in Des Plaines, IL?
Answer a few quick questions for a personalized answer about your specific project.
Check Now, Free →Building Department Contact
Frequently Asked Questions
Estimated permit fees for Retaining Wall projects in Des Plaines, IL range from $165 – $660. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Retaining Wall 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 Retaining Wall permits in Des Plaines is about 3 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 Retaining Wall Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Retaining Wall Guide →