Blog · October 14, 2026 · Wisconsin
Rhinelander Flood Zone Map, Wisconsin: a practical guide
Flood zones are set by FEMA, and checking one near Three Lakes takes a few minutes.
Main page: Oneida County, WI GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Crescent? Checking the Rhinelander flood zone map reveals whether it sits in a FEMA flood zone, and no account is needed. What this Rhinelander guide covers: the free FEMA tools, what each zone label means, lender insurance rules and what a LOMA is.
Where the Rhinelander flood zone map lives
Flood zones come from FEMA's Flood Map Service Center: type an address near Enterprise, and pick the FIRMette or map view. Rural land near Cassian with no street number can still be found: pan from the closest town and click inside the land.
Where the parcel data lives
Begin with the Oneida County parcel viewer; it covers each assessed parcel around Crescent and Three Lakes. Without an address in hand, pan along the nearest road until the lines appear, then click inside the one you want, and that holds around Enterprise too. If you're looking near Three Lakes, the parcel card normally shows the owner of record, assessed acreage, a parcel ID and sometimes recent sales.
Where Rhinelander fits in
Rhinelander is part of Oneida County, Wisconsin, and the county assessor maps its lots. Rhinelander is also the county seat, handy when you need recorded documents. Out toward Cassian, city or town hall handles matters such as zoning, permits and utilities within town limits, and the county still keeps the parcel and deed records. Land beyond the city limits toward Three Lakes often answers to county rules instead.
What the zone letters mean
For a parcel near Hazelhurst, any A or V zone are Special Flood Hazard Areas, land with a 1-percent chance of flooding in any year. For land near Lake Tomahawk, a shaded X area marks moderate flood hazard, roughly the 100- to 500-year range; plain X, or C on older maps, is minimal risk.
Getting your bearings
Rhinelander is the county seat, home to the main records offices. Smaller places on the map include Lake Tomahawk, Three Lakes, Cassian, and Crescent, each with its own cluster of lots. Roughly 38,226 people call Oneida County home (Census estimate, 2023) across some 1,114 square miles. Oneida County was formed in 1887, which matters when you trace an old farm's title. Places such as Nicolet National Forest are easy to spot when you zoom out from Crescent.
Deeds, plats and who keeps them
The map is an index, not the title: deeds, subdivision plats and easements for land near Lake Tomahawk sit with the Register of Deeds. For a parcel near Lake Tomahawk, have ready the book and page listed on the parcel record to skip a name search.
Matching the zone to the lot lines
FEMA's map shows zones but not ownership, so check the Oneida County parcel viewer too to confirm you have the right parcel near Cassian.
Getting answers from the right desk
For assessment questions about property around Hazelhurst are handled by the county real property listing office, since that office keeps the assessment data. Zoning, permits and septic questions near Cassian go to planning, building or health offices, and the answer depends on jurisdiction.
Questions to ask before you buy
Ask the seller for any Elevation Certificate on the property near Three Lakes; an insurance quote early avoids surprises.
How land is described here
Wisconsin is laid out under the Public Land Survey System, so deeds around Cassian reference sections and townships. A standard section is about one square mile, roughly 640 acres, with 36 sections to a township, though real sections near Hazelhurst vary in size. Keep the legal description for land near Lake Tomahawk for any title or survey request.
Beyond the mapped zones
Low-lying fields near Hazelhurst aren't always studied in detail, so look for water marks and debris lines. Wet ground around Three Lakes is a separate issue from flood zones; the National Wetlands Inventory mapper shows mapped wetlands.
Lenders and permits
Closer to Hazelhurst, an Elevation Certificate from a surveyor helps: it can change the insurance price a lot. New construction in a floodplain near Three Lakes often needs a floodplain permit; ask the local floodplain administrator early.
Next door to Oneida County
Oneida County borders Forest County, Langlade County, Lincoln County, Price County, and Vilas County; every one of them runs a separate parcel map. Ground near Lake Tomahawk that runs to the line may show up across two assessors' files, so look at the adjacent map as well. Around Crescent, the Platbookmapper state page lists every neighboring county map across Wisconsin.
Rhinelander: common questions
Is my property near Three Lakes in a flood zone?
Good question; search the address near Crescent on FEMA's Flood Map Service Center, and the zone code appears on the map.
Can I see flood zones on the Oneida County parcel viewer?
Good question; the parcel map near Hazelhurst might show FEMA zones; confirm a lot near Crescent on FEMA's map either way.
What is a base flood elevation in Rhinelander?
Short answer: a BFE near Crescent tells builders how high the lowest floor should be; local rules may require building above it.
Is AE a high-risk flood zone for land near Three Lakes?
Short answer: an AE zone has a 1% annual chance of flooding and a base flood elevation, so builders near Enterprise design to that elevation.
Is the parcel map a survey around Enterprise?
The map near Three Lakes is approximate; a survey sets the real corners
Open the official Oneida County, WI 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.