Blog · October 14, 2026 · Tennessee
Blount County Flood Zone Map, Tennessee
Look up any Blount County address on FEMA's flood map, read the zone, and match it to the parcel record for land around Friendsville.
Main page: Blount County, TN GIS & Parcel Viewer (official map link, Blount County facts and neighboring maps).
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The Blount County flood zone map question tends to arrive at a bad moment: a lender's letter, an insurance quote, or a permit counter in Rockford. Here's how to read FEMA's map for a Blount County, TN property and match it to the parcel record.
Next: FEMA's search tool, the zone labels you'll see for Blount County, and how the parcel record confirms which tract you're on.
How to use the Blount County flood zone map
FEMA's official flood maps for Blount County are free at the FEMA Flood Map Service Center. The site returns the effective Flood Insurance Rate Map (FIRM) panel covering that Rockford location, which you can view or download. If the PDF panel for Blount County is hard to read, try FEMA's National Flood Hazard Layer viewer, so you can see whether the shading reaches a house near Townsend. Then open the Tennessee Property Viewer for Blount County to confirm the parcel near Rockford. If the Blount County viewer has a floodplain layer, treat it as a convenience copy and confirm on FEMA's map.
Opening the Blount County parcel viewer
For Blount County, the free public parcel layer is state-run: open the Tennessee Property Viewer and pan to Alcoa. After selecting Blount County, results display the map, group and parcel numbers used on Tennessee tax records for land near Alcoa. Our Blount County, TN page keeps the official link and the maps next door to Alcoa in one place.
Zone A, AE and X in plain English
Any Blount County parcel shaded as Zone A, AE, AH or AO sits in what FEMA calls a Special Flood Hazard Area, land with a 1-percent chance of flooding in any given year (the base or 100-year flood). Where a Blount County tract shows Zone AE, there's a base flood elevation to compare a building against; in Zone A there isn't one. Land near Townsend in shaded X (Zone B on older maps) is moderate risk, between the 1-percent and 0.2-percent annual chance lines. Unshaded X (or C) on the Blount County panel means minimal risk.
Neighboring maps around Blount County
Blount County borders Graham County, NC, Swain County, NC, Knox County, Loudon County, and Monroe County, and each keeps its own parcel map and records. Our Tennessee page links each map neighboring Blount County.
Where water shapes land in Blount County
In Blount County, look closest at tracts along Fort Loudoun Lake. Waterfront and bottomland parcels near Rockford commonly carry a zone along one edge, so check where the buildable part sits. A low spot on a Blount County tract outside any mapped zone, so treat an unmapped channel as a reason to ask questions, not proof the ground stays dry.
Insurance, permits and map changes
Insurance is the practical stake for a Blount County buyer. When a structure near Townsend sits in a Special Flood Hazard Area and is financed by a regulated or federally insured lender, the lender must require flood coverage; that applies where the local government around Townsend is in the National Flood Insurance Program. Outside the A zones around Townsend, federal rules don't require a policy; pricing a policy for land near Townsend is still worth a call. When a county homesite is on a rise inside a mapped zone, a Letter of Map Amendment request is the formal route; a surveyor near Townsend can supply the elevation data. New construction in a Blount County Special Flood Hazard Area most commonly needs a floodplain permit, so call the county or the town office in Rockford before work starts.
Quick answers for Blount County
Can a flood zone in Blount County be changed?
FEMA reviews requests such as a LOMA for Blount County properties; start with an elevation certificate.
How do I know if a property in Blount County is in a flood zone?
Look it up at FEMA's Flood Map Service Center, then match the parcel lines in the Tennessee Property Viewer; for land near Vonore, a zone starting with A or V is high risk.
What does 100-year flood mean for Blount County land?
Not at all; a Blount County tract in that zone carries a 1-in-100 chance in any single year, so floods can come in back-to-back years.
What does Zone AE mean on a Blount County flood map?
For a Blount County parcel, Zone AE means a Special Flood Hazard Area with a 1-percent annual chance of flooding and a published base flood elevation.
Do I need flood insurance in Zone X in Blount County?
Not under federal rules; Zone X in Blount County is outside the Special Flood Hazard Area, though a lender can still require coverage.
Can I build in a flood zone in Blount County?
Building in a Special Flood Hazard Area near Louisville most commonly needs a floodplain permit and may require elevating the structure, so check with the county floodplain administrator.
Open the official Blount County, TN parcel map Blount County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.