Retaining Walls: Orland Park vs Skokie
How do retaining walls rules compare between Orland Park, IL and Skokie, IL?
Orland Park has fewer restrictions than Skokie.
Orland Park, IL
Cook County
Orland Park requires a building permit for retaining walls over 4 feet in height (measured from base footing). Walls over 4 feet require engineered drawings stamped by a licensed Illinois structural engineer.
View full Orland Park rules →Skokie, IL
Cook County
Retaining walls in Skokie require a building permit when over 4 feet in height (measured from bottom of footing) or when they support a surcharge load. Engineering by a licensed Illinois structural engineer is required for taller walls.
View full Skokie rules →Key Facts Comparison
| Fact | Orland Park | Skokie |
|---|---|---|
| Permit Threshold | Most walls require permit | 4 feet or with surcharge |
| Engineering Required | Walls over 4 ft or w/ surcharge | - |
| Guard Rail | Often required if 30+ in drop | - |
| JULIE Locate | Required (call 811) | - |
| Contact | Building (708) 403-6200 | Community Dev (847) 933-8235 |
| Engineering | - | Required for walls over 4 feet |
| Drainage | - | Must not redirect to neighbors |
| Setback | - | Per zoning district |
Highlighted rows indicate differences between cities.
Orland Park FAQ
Do I need a permit for a retaining wall in Orland Park?
Yes for most walls. Walls over 4 feet or supporting a slope/structure require engineered plans and a full permit.
Who can design a tall retaining wall in Orland Park?
Walls over 4 feet or with surcharge require drawings stamped by a licensed Illinois structural or professional engineer.
Do I need a railing on top of my retaining wall?
If the drop on the high side exceeds 30 inches and the wall is in a walking area, a guard rail is typically required by the building code.
Skokie FAQ
Do I need a permit for a retaining wall in Skokie?
Yes if the wall is over 4 feet tall (measured from bottom of footing) or supports a surcharge load. Smaller decorative walls without surcharge may not require a permit but must meet drainage rules.
Do I need an engineer for my retaining wall in Skokie?
Yes for any wall over 4 feet. A licensed Illinois structural engineer must seal the drawings submitted with your permit application.
Can my retaining wall change drainage onto my neighbor?
No. Walls must not redirect stormwater onto adjoining properties. Drainage calculations may be required as part of the permit review.
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