Wisconsin · FIPS 55133 · County seat: Waukesha

Waukesha County, WI GIS & Parcel Viewer

Looking for lot lines or a parcel number in Waukesha County, WI? The quickest route is Interactive Map for Waukesha County, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.

Open the Waukesha County parcel map ↗
Opens waukeshacounty.gov in a new tab. We link out and never embed or copy parcel data.

Map and county facts

Where the parcel data comes from

It is a county-level map: Waukesha County or the company it hires keeps the parcel layer up to date. As of our October 2026 test, anyone could open it without signing in or paying.

Finding a property on this map

1. Press the button above to open the county's own web map.
2. Search for the property or pan and zoom to it.
3. Click the lot to bring up what the county publishes about it.
4. Look for print or measure tools if you need a quick map or rough size.

Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.

The county in brief

Census Bureau figures put Waukesha County at about 412,591 people (2023 estimate) on roughly 550 square miles of land, which is about 750 residents per square mile. That makes it number 3 out of 72 Wisconsin counties by population. Waukesha serves as the county seat.

Neighboring counties

Parcels close to the edge of Waukesha County can fall in the next county over. Neighboring counties:

• Dodge County
• Jefferson County
• Milwaukee County
• Ozaukee County
• Racine County
• Walworth County
• Washington County

Maps vs. surveys

The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.

Related

• All Wisconsin counties
• Find Waukesha County on the national map
• Parcel map guides

← Wisconsin counties · Open the national map