Flood Zones: Aurora vs Centennial
How do flood zones rules compare between Aurora, CO and Centennial, CO?
Aurora and Centennial have similar restriction levels.
Aurora, CO
Arapahoe County
Aurora participates in the National Flood Insurance Program (NFIP) and regulates development in FEMA-designated flood zones (A, AE, AH) under City Code Chapter 70. A floodplain development permit is required for any construction in mapped flood areas. Substantial improvements (50%+ of structure value) require full floodplain compliance.
View full Aurora rules →Centennial, CO
Arapahoe County
Centennial participates in the National Flood Insurance Program and regulates development in FEMA-mapped flood zones. Building in the 100-year floodplain requires a floodplain development permit and compliance with elevation requirements. The city coordinates with Arapahoe County on floodplain management.
View full Centennial rules →Key Facts Comparison
| Fact | Aurora | Centennial |
|---|---|---|
| Code | City Code Ch. 70 | - |
| NFIP | Participating community | Participating community |
| Permit Required | All floodplain development | All floodplain development |
| Major Waterways | Cherry Creek, Toll Gate, Sand Creek | - |
| Substantial Improvement | - | 50% value triggers compliance |
| Major Drainages | - | Cherry Creek, Big Dry Creek |
Highlighted rows indicate differences between cities.
Aurora FAQ
Is my property in a flood zone in Aurora?
Aurora participates in the National Flood Insurance Program (NFIP) and regulates development in FEMA-designated flood zones (A, AE, AH) under City Code Chapter 70. A floodplain development permit is required for any construction in mapped flood areas. Substantial improvements (50%+ of structure...
Do I need flood insurance in Aurora?
Code: City Code Ch. 70. NFIP: Participating community. Permit Required: All floodplain development. Major Waterways: Cherry Creek, Toll Gate, Sand Creek.
Centennial FAQ
Is my property in a flood zone in Centennial?
Centennial participates in the National Flood Insurance Program and regulates development in FEMA-mapped flood zones. Building in the 100-year floodplain requires a floodplain development permit and compliance with elevation requirements. The city coordinates with Arapahoe County on floodplain...
Do I need flood insurance in Centennial?
NFIP: Participating community. Permit Required: All floodplain development. Substantial Improvement: 50% value triggers compliance. Major Drainages: Cherry Creek, Big Dry Creek.
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