Flood Zones: Frisco vs Plano
How do flood zones rules compare between Frisco, TX and Plano, TX?
Frisco and Plano have similar restriction levels.
Frisco, TX
Collin County
Frisco participates in the NFIP with a Class 6 CRS rating, giving residents 20 percent flood insurance discount. Stewart Creek, Doe Branch, and Rowlett Creek floodplains regulated under Chapter 8.5. Lowest floor must be 2 ft above BFE, stricter than FEMA minimum.
View full Frisco rules →Plano, TX
Collin County
Plano participates in the National Flood Insurance Program and enforces strict floodplain regulations. Properties in FEMA Special Flood Hazard Areas must meet elevation and construction requirements. Rowlett Creek and Spring Creek create the primary flood-prone areas. Plano requires new construction in floodplains to be elevated above base flood elevation. The city maintains flood maps and provides flood zone determination assistance.
View full Plano rules →Key Facts Comparison
| Fact | Frisco | Plano |
|---|---|---|
| CRS Class | 6 (20 percent discount) | - |
| Freeboard | 2 ft above BFE | - |
| Key Floodplain | Stewart Creek | - |
| Floodway | No fill or structures | - |
| Substantial | 50 percent value trigger | - |
| FEMA Participation | - | National Flood Insurance Program (NFIP) |
| Key Waterways | - | Rowlett Creek, Spring Creek |
| Elevation Required | - | Above Base Flood Elevation |
| Flood Maps | - | City maintains updated flood maps |
| Assistance | - | Flood zone determination services available |
Highlighted rows indicate differences between cities.
Frisco FAQ
How do I find out if my lot is in a flood zone?
Check the FEMA Flood Map Service Center at msc.fema.gov using your address, or call Frisco Engineering at 972-292-5400. Stewart Creek and Doe Branch watersheds have the largest mapped floodplains in Frisco.
Who enforces this in Frisco?
Frisco code enforcement at (972) 292-5000 handles complaints.
Plano FAQ
Is my Plano property in a flood zone?
Use FEMA's Flood Map Service Center or contact Plano's Engineering Department for flood zone determination. Rowlett Creek and Spring Creek are the primary flood-prone areas.
What flood zone building requirements apply in Plano?
New construction in FEMA Special Flood Hazard Areas must be elevated above Base Flood Elevation and meet all floodplain construction standards.
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