Blog · October 14, 2026 · Wisconsin
Cudahy GIS Map: looking up parcels
Parcel data for Cudahy comes from the county, and the viewer is free.
Main page: Milwaukee County, WI GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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When land near South Milwaukee catches your eye, a look at the Cudahy GIS map gives you lines, owner names and parcel numbers. Covered here for Cudahy: which viewer to open, the fastest ways to search, and what to double-check with records.
Finding a lot on the Cudahy GIS map
For property near West Allis, some cities also run their own GIS portal for utilities or zoning; that can add detail on top of the county map.
Getting to the right map
Parcels around South Milwaukee can be looked up on the Milwaukee County parcel viewer, which opens without registering. For a parcel near Greendale, type a street address, an owner's name or a parcel number, and the viewer zooms to the match. For a tract near South Milwaukee, the record panel normally shows the owner of record, assessed acreage, the parcel number and sometimes recent sales.
City limits and county records
Cudahy sits in Milwaukee County, Wisconsin, and the county assessor maps its lots. For a parcel near West Milwaukee, the municipality handles things like zoning, permits and utilities for lots inside the boundary, and the county still keeps the parcel and deed records. Lots just outside the city limits toward Greendale generally falls under county rules instead.
What the map can't tell you
Listed acreage is a tax-roll number; just a licensed surveyor establishes the real boundary for a parcel near Oak Creek. With a lot near Greendale, records update in batches, so a deed recorded last month might lag behind.
Searching the map
Acreage around West Allis might not have a street number, so zoom in from Interstate 794 and click the outline. For land near West Allis, searching by parcel number never misses, and it carries over to every office in the county.
Taking the map into the field
Most viewers work in a phone browser, which helps when you're standing on land near West Allis, but coverage can be spotty out of town. A printout of the tract near Greendale is a good backup.
The paper trail behind a parcel
Before you sign anything, pull the recorded deed through the Register of Deeds; the parcel map near West Allis only summarizes it. Inherited tracts near St. Francis can sit on many deeds, so a title company can sort it out before a purchase.
Milwaukee County in a few facts
Milwaukee is the county seat, where most land records are kept. You'll also find St. Francis, South Milwaukee, Oak Creek, and Greendale. About 916,205 people call Milwaukee County home (Census estimate, 2023) on about 241 square miles. Milwaukee County dates to 1835, so old deeds can run back a long way. Features like Menomonee River and Kinnickinnic River help you orient on the aerial around West Allis.
Browser tips
When the map won't open around Oak Creek, try a desktop browser or clear the cache; links occasionally change, and our directory page keeps the current one.
Aerials, labels and overlays
If the land is near Oak Creek, look in the layer list for municipal boundaries, floodplain and sometimes zoning; not every viewer has them all.
Saving what you find
Print or screenshot the parcel near South Milwaukee with its ID visible, so you have it when calling an office.
Who handles what
If the acreage or value on a parcel near South Milwaukee looks off are handled by the county real property listing office, the office behind the parcel record. Questions about what you can build around South Milwaukee need the planning or permitting office, depending on whether the land is inside town limits.
Next door to Milwaukee County
Milwaukee County meets Muskegon County, MI, Ottawa County, MI, Ozaukee County, Racine County, and Washington County, all with their own assessor records. Acreage along the edge near West Allis may be split across two assessors' files, so check the neighboring map too. If the land is near South Milwaukee, the Platbookmapper state page lists every neighboring county map for Wisconsin.
Reading the legal description
Wisconsin uses the Public Land Survey System, so deeds around West Allis reference sections and townships. A standard section is about one square mile, roughly 640 acres, with 36 sections to a township, though corrections make some sections near Greendale odd-sized. Keep the legal description for land near West Allis before you request a deed or survey.
What the record panel tells you
Sales history, if listed, helps with pricing near Greendale give a rough idea of values; they're not an appraisal.
Frequently asked
Does Cudahy have its own GIS map?
Good question; check the Cudahy website or ask city hall.
Are parcel lines on the map exact in Cudahy?
Good question; lines near South Milwaukee can be off by several feet or more.
Why does a recent sale near Oak Creek not show?
On ground around Oak Creek, records update on the assessor's schedule.
What layers does the parcel viewer have in Cudahy?
Generally, aerials near West Allis are usually available as a basemap; availability varies.
What's a legal description near St. Francis?
Around South Milwaukee, Deeds use lot and block, metes and bounds or survey descriptions, and the parcel record often summarizes it.
Open the official Milwaukee 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.