Blog · October 14, 2026 · Tennessee
Using the Union County Flood Zone Map
The zone on FEMA's map affects insurance, building and resale near Alder Springs.
Main page: Union County, TN GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Before an offer near Maynardville, look at the Union County flood zone map: a mapped flood zone changes insurance, building rules and resale. Covered here for Union County: finding the address on FEMA's map, decoding A, AE and X, and pairing it with the Tennessee Property Viewer.
Checking the Union County flood zone map step by step
For a more interactive look, open the National Flood Hazard Layer viewer, which draws the zones over aerial imagery, for land near Alder Springs included. A tract near Sharps Chapel without an address can still be found: pan from the closest town and click the spot.
The viewer Union County publishes
Go first to the Tennessee Property Viewer; it covers every assessed parcel from Luttrell to Alder Springs. With a lot near Sharps Chapel, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. For a tract near Plainview, the parcel card normally shows the owner of record, acreage on the tax roll, a parcel ID and sometimes recent sales.
What the zone letters mean
With a lot near Sharps Chapel, zones beginning with A or V mark the Special Flood Hazard Area, which FEMA defines as a 1% annual chance of flooding. With a lot near Big Ridge State Park, a shaded X area marks moderate flood hazard, roughly the 100- to 500-year range; plain X, or C on older maps, means minimal mapped risk.
Getting answers from the right desk
Deeds, mortgages and recorded plats for land near Braden come from the Register of Deeds, usually searchable by name or document number. Questions about what you can build around Sharps Chapel are for the local planning and health departments, and the answer depends on jurisdiction.
A word on accuracy
For property near Alder Springs, the acreage figure is a tax-roll number; just a licensed surveyor establishes the real corners on the ground. For property near Sharps Chapel, owner names and values update on a schedule, so a deed recorded last month might lag behind.
Reading the legal description
Tracts outside towns near Braden commonly use metes-and-bounds descriptions, which trace the boundary call by call. Platted lots around Maynardville refer to a recorded plat, which is simpler to follow. Keep the legal description for land near Maynardville for any title or survey request.
Low spots and local drainage
Low-lying fields near Maynardville aren't always studied in detail, so walk the land after rain. Marshy spots near Maynardville can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
Backing up the map with records
When the details count, pull the recorded deed through the Register of Deeds; the viewer just points to it, for land near Big Ridge State Park included. For a parcel near Big Ridge State Park, have ready the document number listed on the parcel record and the lookup takes minutes.
Lining it up with the parcel map
FEMA doesn't draw property lines, so open the Tennessee Property Viewer next to see exactly which lot near Braden you're looking at.
What a flood zone means for a buyer
For a structure inside an A or V zone and the loan is federally backed or regulated, mandatory purchase rules apply where the community participates in the National Flood Insurance Program, which applies near Big Ridge State Park as much as anywhere. Building or adding on near Alder Springs in a mapped zone can trigger elevation rules; check with the county or town building office early.
When a parcel crosses a boundary
Union County touches Anderson County, Campbell County, Claiborne County, Grainger County, and Knox County; every one of them runs a separate parcel map. A tract near the line by Braden can show up in two county records, so check the neighboring map before you assume the acreage. For land near Sharps Chapel, our state page lists every bordering county map for Tennessee.
A short flood checklist
Around Plainview, ask the listing agent whether the home has flooded before closing; getting a quote early avoids surprises.
Questions about the Union County flood zone map
Will my lender require flood insurance near Sharps Chapel?
Closer to Big Ridge State Park, it's typically required only for structures in high-risk zones with federally backed loans, in communities that take part in the NFIP.
What is a LOMA for land near Big Ridge State Park?
Closer to Big Ridge State Park, a Letter of Map Amendment (LOMA) from FEMA can remove a structure on naturally high ground, and lenders accept the result.
Can I see flood zones on the Tennessee Property Viewer near Sharps Chapel?
It depends, but a flood layer may appear in the Tennessee Property Viewer layer list; confirm a lot near Luttrell on FEMA's map either way.
What is a base flood elevation for land near Big Ridge State Park?
Out toward Braden, the base flood elevation is the water level expected in the 1% annual chance flood; local rules may require building above it.
Where do I ask about an assessment near Sharps Chapel?
If the land is near Luttrell, values are the Assessor of Property's job; recorded documents belong to the Register of Deeds.
Open the official Union County, TN parcel map See it 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.