Blog · October 14, 2026 · Wisconsin
Using the Oshkosh Flood Zone Map
Flood zones are set by FEMA, and checking one near Winneconne takes a few minutes.
Main page: Winnebago County, WI GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Before you buy or build near Fox Crossing, look at the Oshkosh flood zone map: a mapped flood zone changes insurance, building rules and resale. What this Oshkosh guide covers: locating a parcel on FEMA's map, reading the zone codes, and matching it with the county parcel viewer.
Where the Oshkosh flood zone map lives
The official source is FEMA's Flood Map Service Center: type an address near Neenah, and choose the dynamic map. Vacant ground around Appleton can still be found: search the nearest road then click the parcel area.
The viewer Winnebago County publishes
Your first stop is the Winnebago County parcel viewer; it maps each assessed parcel in the county, Omro included. Near Appleton, put in a street address, an owner's name or a parcel number, and the matching parcel lights up. For a home near Winneconne, write down the parcel ID before closing the panel; every office in the county will want it.
Where Oshkosh fits in
Oshkosh is part of Winnebago County, Wisconsin, which means parcel data comes from the county. As the county seat, Oshkosh hosts the courthouse, which puts the Register of Deeds close by. For a parcel near Winneconne, city or town hall handles things like zoning, permits and utilities for lots inside the boundary, and the county still keeps the parcel and deed records. Acreage past the city limits out by Omro often falls under county rules rather than the town's.
Reading A, AE and X
An AE label carries a published BFE, and an unnumbered A zone has none; surveyors near Neenah use that number. For a parcel near Menasha, a shaded X area is moderate risk, roughly the 100- to 500-year range; unshaded X is minimal risk.
Low spots and local drainage
Creeks and ditches near Neenah may not have detailed mapping, so ask neighbors about past flooding. Marshy spots near Omro can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
Using it on a phone
The parcel map usually runs in a mobile browser, which helps when you're standing on land near Menasha, though signal can drop in rural spots. A printout of the tract near Fox Crossing helps when you meet an owner or agent.
Where the recorded documents are
When the details count, request the recorded deed from the Register of Deeds; the parcel map near Omro only summarizes it. Long-held tracts around Neenah can trace back through many deeds, and a title company is worth hiring before a purchase.
A quick look at the area
Oshkosh serves as the county seat, where most land records are kept. Smaller places on the map include Omro, Winneconne, Neenah, and Fox Crossing, where town lots give way to larger tracts. Roughly 171,735 people call Winnebago County home (Census Bureau estimate, 2023) spread over about 435 square miles. Winnebago County was formed in 1848, and some chains of title near Neenah are long.
Use the county map alongside FEMA
FEMA doesn't draw property lines, so check the Winnebago County parcel viewer too to see exactly which lot near Menasha you're looking at.
How land is described here
Wisconsin uses the Public Land Survey System, so deeds around Menasha reference sections and townships. A standard section is about one square mile, roughly 640 acres, with 36 sections to a township, though sections near Neenah can be irregular. Copy the legal description from the record for the parcel near Menasha before you request a deed or survey.
Questions to ask before you buy
Ask the seller about past flood claims for the house near Omro; an insurance quote early keeps the budget honest.
Land on the county line
Winnebago County meets Calumet County, Fond du Lac County, Green Lake County, Outagamie County, and Waupaca County, and each of those keeps its own parcel map. Acreage along the edge near Menasha may be split across two assessors' files, so look at the adjacent map as well. Out toward Omro, our state page lists each bordering county map for Wisconsin.
Lenders and permits
For a tract near Omro, get the Elevation Certificate if one exists: it compares the building to the BFE. Remodeling a house in a zone near Omro often needs a floodplain permit; call the permitting office before you plan.
Frequently asked
Where can I see the Oshkosh flood zone map for free?
Good question; search the address near Omro on FEMA's Flood Map Service Center, which takes a couple of minutes.
What is a LOMA for land near Omro?
Short answer: you can ask FEMA for a LOMA if surveyed elevations show the building near Menasha is above the BFE; a surveyor's elevation data supports it.
Is AE a high-risk flood zone for land near Winneconne?
Good question; AE is a Special Flood Hazard Area with a published base flood elevation, so builders near Fox Crossing design to that elevation.
When is flood insurance required around Appleton?
Short answer: for a building near Menasha in an A or V zone with a federally backed or regulated mortgage, it's generally required; elsewhere it's optional.
How do I save a parcel from the viewer near Omro?
Most viewers have a print or export tool; include the record panel for the lot near Fox Crossing.
Open the official Winnebago 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.