Blog · October 14, 2026 · Wyoming
Lincoln County Flood Zone Map, Wyoming: a practical guide
The zone on FEMA's map affects insurance, building and resale near Bridger-Teton National Forest.
Main page: Lincoln County, WY GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Before an offer near Etna, check the Lincoln County flood zone map: FEMA's zone label affects insurance, building rules and resale. Covered here for Lincoln County: finding the address on FEMA's map, reading the zone codes, and confirming the outline on the county map.
Getting started with the Lincoln County flood zone map
For parcel-by-parcel detail, open the National Flood Hazard Layer viewer, which draws the zones over aerial imagery, whether the land is near Diamondville or elsewhere in the county. Rural land near La Barge with no street number is still easy to locate: zoom in from the nearest road and click inside the land.
Getting to the right map
Begin with the Lincoln County parcel viewer; it covers each tax parcel in the county, Auburn included. For property near Alpine, type a street address, an owner's name or a parcel number, and the viewer zooms to the match. If you're looking near Afton, copy the parcel ID while you have it open; each clerk in the county uses it to find the file.
Which office to call
Questions about value or the owner field for land near Cokeville Meadows National Wildlife Refuge go to the County Assessor, the office behind the parcel record. Zoning, permits and septic questions near La Barge are for the local planning and health departments, depending on whether the land is inside town limits.
Reading the legal description
Wyoming is laid out under the Public Land Survey System, so deeds around Bridger-Teton National Forest reference sections and townships. A standard section is about one square mile, roughly 640 acres, with 36 sections to a township, though sections near Alpine Northwest can be irregular. Copy the legal description from the record for the parcel near Etna when you talk to a surveyor.
Next door to Lincoln County
Lincoln County borders Bear Lake County, ID, Bonneville County, ID, Caribou County, ID, Rich County, UT, and Sublette County; every one of them runs a separate parcel map. A tract near the line by Opal may be split in two county records, so open the adjacent map as well. If the land is near Diamondville, the Platbookmapper state page lists each neighboring county map for Wyoming.
Before you lean on the lines
In and around Bridger-Teton National Forest, acreage on the record is an estimate; only a licensed surveyor establishes the real corners on the ground. Records update in batches, so a recent sale near Bridger-Teton National Forest can take weeks to appear.
Questions to ask before you buy
For a parcel near Kemmerer, request for any Elevation Certificate before closing; getting a quote early avoids surprises.
On site with the map
Most viewers work in a phone browser, useful out on a road near Kemmerer, though signal can drop in rural spots. A printout of the tract near Cokeville Meadows National Wildlife Refuge keeps working without signal.
What the zone letters mean
For a parcel near Alpine, A and V zones mark the Special Flood Hazard Area, which FEMA defines as a 1% annual chance of flooding. Around Alpine Northwest, shaded Zone X is moderate risk, between the 1% and 0.2% annual chance floods; unshaded X is minimal risk.
Beyond the mapped zones
Small streams around La Barge may not have detailed mapping, so ask neighbors about past flooding. Marshy spots near Alpine Northeast can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
Backing up the map with records
In and around Auburn, the map is an index, not the title: recorded deeds, plats and easements for parcels in the county are kept by the County Clerk. Older tracts near Caribou-Targhee National Forest can go back through several deeds, and a title company can sort it out if money is changing hands.
Matching the zone to the lot lines
FEMA doesn't draw property lines, so open the Lincoln County parcel viewer next to see exactly which lot near Afton you're looking at.
Money questions tied to the zone
If a building sits in a Special Flood Hazard Area and the loan is federally backed or regulated, mandatory purchase rules apply where the community participates in the National Flood Insurance Program, whether the land is near Bridger-Teton National Forest or elsewhere in the county. Remodeling a house in a zone near Bedford can trigger elevation rules; check with the county or town building office before you plan.
Frequently asked
Is Zone X safe from flooding for land near Alpine Northeast?
Short answer: Zone X near Kemmerer means moderate (shaded) or minimal (unshaded) mapped risk; many owners near Diamondville buy coverage anyway.
How often are flood maps updated around Alpine?
It depends, but zones near Afton can shift when FEMA updates a panel, so look at the panel date.
When is flood insurance required around Cokeville?
In most cases, for a building near Etna in an A or V zone with a federally backed or regulated mortgage, it's generally required; elsewhere it's optional.
How can I tell if a house near Caribou-Targhee National Forest is in a flood zone?
Short answer: look up the spot near Cokeville in FEMA's National Flood Hazard Layer viewer, and the zone code appears on the map.
Where do I find the parcel number for land near Etna?
The parcel ID identifies one tax parcel near Alpine Northwest; copy it before you call anyone.
Open the official Lincoln County, WY 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.