What the zone codes actually mean in Plano
FEMA labels every Plano parcel:
- ✓Zone AE: 1% annual chance flood (the "100-year floodplain"). NFIP insurance is mandatory for federally-backed mortgages. Most expensive zone.
- ✓Zone A: same risk as AE, but no detailed Base Flood Elevation modeled. Insurance still mandatory.
- ✓Shaded X (X500): 0.2% annual chance (500-year floodplain). Insurance optional, often $400-700/year.
- ✓Zone X: minimal flood risk. Insurance optional, often $250-400/year.
Plano corridors with concentrated AE risk
These Plano corridors have the most AE polygon coverage:
- ✓Spring Creek: north Plano, runs east-west. Affects parts of Willow Bend and Spring Creek neighborhoods.
- ✓Rowlett Creek: northeast Plano, near Custer Rd corridor.
- ✓White Rock Creek tributaries: south-central Plano, narrow but unforgiving polygons.
How to check a Plano address remotely
On RemotePropView, the property page renders the FEMA polygon directly on the parcel for Realtor-tier and above. You can see whether the structure footprint sits in the zone, on the edge, or fully outside.
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Full Guide Contents
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Full guide includes: a Plano flood-zone map by ZIP code, current Plano NFIP rate quotes by zone, and the LOMA process if you think your parcel was misclassified.
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