FEMA flood zone rules in Centennial, CO — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
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.
Centennial participates in FEMA's National Flood Insurance Program (NFIP) and enforces floodplain management regulations for development in mapped flood zones. The regulatory floodplain is the 100-year floodplain. Any construction, improvement, or modification within a designated floodplain requires a floodplain development permit. Substantial improvements (equal to or exceeding 50% of the structure's pre-improvement value) require the entire structure to comply with floodplain standards, including elevation of the lowest floor above the base flood elevation. The city coordinates with Arapahoe County on floodplain management and development review. Adjacent communities and the Colorado Water Conservation Board must be notified before any watercourse alteration. Centennial's flood-prone areas primarily follow the drainage ways of Cherry Creek, Big Dry Creek, and their tributaries.
Development in floodplain without permit: building code violation. Non-compliance may jeopardize community NFIP eligibility.
Centennial, CO
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Centennial, CO
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Centennial, CO
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Centennial, CO
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Side-by-side rule comparisons with other cities in Arapahoe County.
See how other cities in Arapahoe County handle flood zones.
See how Centennial's flood zones rules stack up against other locations.
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