Flood Zones: Orland Park vs Tinley Park
How do flood zones rules compare between Orland Park, IL and Tinley Park, IL?
Orland Park and Tinley Park have similar restriction levels.
Orland Park, IL
Cook County
Orland Park participates in FEMA's National Flood Insurance Program and has adopted floodplain regulations consistent with FEMA standards. Development in mapped Special Flood Hazard Areas (Zones A and AE on the FEMA Flood Insurance Rate Map) requires a floodplain development permit. Lowest floor elevation must be at or above the regulatory flood protection elevation.
View full Orland Park rules →Tinley Park, IL
Cook County
Tinley Park participates in the National Flood Insurance Program and enforces floodplain development regulations for areas mapped as Special Flood Hazard Areas on FEMA Flood Insurance Rate Maps. Tinley Creek and its tributaries include mapped flood zones. New construction in the floodplain must meet elevation, floodproofing, and compensatory storage requirements. A floodplain development permit is required for any construction in the SFHA.
View full Tinley Park rules →Key Facts Comparison
| Fact | Orland Park | Tinley Park |
|---|---|---|
| Mapped Zones | A, AE in SFHAs | - |
| Freeboard | 1 ft above BFE | 1 ft above BFE |
| Permit Required | All work in SFHA | - |
| Substantial Improvement | 50% of value triggers | 50% value trigger |
| Flood Insurance | Required for federal mortgage | - |
| NFIP Participant | - | Yes |
| Floodway Fill | - | Prohibited |
| Compensatory Storage | - | 0-for-0 in fringe |
Highlighted rows indicate differences between cities.
Orland Park FAQ
How do I know if my Orland Park property is in a flood zone?
Check the FEMA Flood Map Service Center at msc.fema.gov, your title or insurance documents, or contact Village Public Works. Properties along Tinley Creek, Marley Creek, and Cal-Sag tributaries are most likely affected.
What can I do to my property if it's in a flood zone?
Construction, substantial improvement, fill, and grading require a floodplain development permit. New residential structures must be elevated to 1 foot above the base flood elevation. Substantial improvements trigger full compliance.
Do I need flood insurance?
If you have a federally-backed mortgage on a property in a Special Flood Hazard Area, your lender will require flood insurance under the NFIP. Even outside SFHAs, flood insurance is recommended in areas prone to local flooding.
Tinley Park FAQ
Is my Tinley Park property in a FEMA flood zone?
Check the FEMA Flood Map Service Center at msc.fema.gov by entering your address. Areas near Tinley Creek and its tributaries have mapped SFHAs. The Village can also provide flood zone determinations.
Do I need flood insurance?
If your property is in an SFHA and you have a federally-backed mortgage, yes. Even outside SFHAs, flooding is possible and Preferred Risk Policies are relatively inexpensive.
Can I add an addition to my home in a flood zone?
Yes, with a floodplain development permit. If the work qualifies as substantial improvement (exceeds 50% of the structure's market value), the entire structure must be brought into full floodplain compliance including elevation.
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