Oak Lawn vs Orland Park
How do grading & drainage rules compare between Oak Lawn, IL and Orland Park, IL?
Oak Lawn and Orland Park have similar restriction levels.
Oak Lawn, IL
Cook County
Oak Lawn requires new construction and significant improvements to maintain positive drainage away from structures without adversely affecting neighboring properties. Grading plans are reviewed at building permit. Surface water may not be discharged directly onto adjacent properties.
View full Oak Lawn rules →Orland Park, IL
Cook County
Orland Park requires that grading and drainage on private property not adversely affect neighboring properties or Village streets and storm sewers. A grading permit may be required for substantial earthwork. The Village enforces drainage complaints under property maintenance and stormwater rules. Sump pump discharge to Village streets is regulated.
View full Orland Park rules →Key Facts Comparison
| Fact | Oak Lawn | Orland Park |
|---|---|---|
| Slope from Foundation | 2% minimum | - |
| Extension | 10 feet from foundation | - |
| Downspout to Sewer | Prohibited | - |
| Sump to Yard | Not to sanitary | - |
| Final Inspection | Required pre-CO | - |
| Direction | - | Away from foundation |
| Sump to Sanitary | - | Prohibited |
| Downspout Distance | - | 5+ ft from foundation |
| Permit | - | Required for major earthwork |
| Public Works | - | (708) 403-6350 |
Highlighted rows indicate differences between cities.
Oak Lawn FAQ
Can water from my yard drain to my neighbor's?
Not as a result of your grading changes. Oak Lawn's rules prevent creating new or increased drainage onto neighboring properties. Preserve or re-establish historic drainage patterns.
Where should my downspouts discharge?
Discharge away from foundations to the yard where water can infiltrate or flow to the street. Do not connect downspouts to the sanitary sewer.
Do I need a grading plan for an addition?
Yes for significant additions or new construction. A grading plan by a licensed surveyor or engineer is reviewed at building permit.
Orland Park FAQ
Can I regrade my Orland Park property?
Minor lawn grading is fine, but substantial regrading or fill that affects drainage requires a building or grading permit. The result must not divert runoff onto neighbors or Village streets.
Where can my sump pump discharge?
To the lot surface, a rear-yard swale, or an approved storm sewer connection. Discharge to the sanitary sewer is prohibited. Discharge that creates ice hazards on sidewalks may be cited.
My neighbor's drainage is flooding my yard. What can I do?
Contact Code Enforcement at (708) 403-6150 to investigate. Concentrated runoff diversion is a code violation. Civil remedies may also be available for property damage.
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