Marathon County Wisconsin Property Appraiser, Search Your Record Lookup
In Marathon County, there are 82,906 parcels available for public lookup. You can search property records using the parcel number, owner name, or property address. Enter the Parcel ID with spaces to access ownership details, tax information, and property records instantly.
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The Marathon County property assessment office maintains updated parcel and property datasets for public access. The county currently manages 82,906 parcels and 105,518 matched buildings, supported by aerial imagery from 2015, 2016, 2018, 2021, and 2022. Address records include 69,857 verified secondary addresses, ensuring precise location tracking. In addition, zoning classifications have been standardized for 81,875 parcels, helping maintain consistent property assessments, accurate parcel mapping, and reliable tax roll information for property owners, investors, and researchers.
Marathon County, Wisconsin Property Overview – 2026
Marathon County contains 51,299 residential properties and 4,178 commercial properties. The average age of a single-family home is 72 years, while average square footage data is currently unavailable. In 2026, the county recorded 222 residential sales year-to-date, with 2.18% of homes seriously underwater. The effective property tax rate is 1.14%, reflecting current local assessment and housing market conditions.
Residential Properties
51,299
Commercial Properties
Avg. Home Age Single Family
Avg. Square Feet Single Family
Residential Sales 2026
Homes Seriously Underwater
Residential Sales past year
Rich Homes percentage
37.62%
Effective 2026 Property Tax
Total Foreclosure Filings 2025
19
Top Cities in Marathon County
The most active cities in Marathon County include Wausau, Mosinee, and Schofield. These communities contain a large share of the county’s residential and commercial parcels. With established neighborhoods, growing housing developments, and active commercial areas, these cities play an important role in property valuation, zoning oversight, and parcel data management across the county.
Wausau
19,850 Parcels
Mosinee
6,410 Parcels
Schofield
5,120 Parcels
Marathon County WI Property Search Tool Has 4 Best Methods
Our Marathon County, Wisconsin Property Search Tool allows users to easily find property records online at no cost. You can search by owner name, parcel number (PIN), property address, or city name by entering it in the address field. Instantly access ownership records, tax history, property sales data, and complete parcel details within seconds.
Search By Owner Name
You can search Marathon County Wisconsin property records easily using the legal owner name information.
Search By Address
Users can quickly locate Marathon County Wisconsin property records using the full property address details.
Search By Parcel PIN
Enter the Marathon County Wisconsin parcel identification number for precise property lookup and record access.
Search By City Name
Search Marathon County Wisconsin property records using the city name when address or parcel unavailable.
Marathon County WI Property Search Tool Provides Information
Our Marathon County, Wisconsin Property Search Tool provides detailed property data with each lookup. Users can search using owner name, parcel number, or address to access full ownership records, tax information, land values, and official county assessment data—making property research easier and more accurate.
Parcel Number
Marathon County Wisconsin property records show primary legal owner name for ownership verification searches purposes.
Owner Name
Marathon County Wisconsin property records include secondary owner name identifying co-owners and shared property ownership.
Site Address
Marathon County Wisconsin property records display the physical site address used for parcel identification.
Postal Address
Marathon County Wisconsin property records include owner mailing postal address for official property correspondence.
PI Number
Marathon County Wisconsin parcel identification number uniquely identifies each property within county assessment records.
Tax Parcel Id
Marathon County Wisconsin tax parcel identification number connects parcels directly with county taxation records.
State Id
Marathon County Wisconsin property records include state identification number supporting standardized property tracking statewide.
Zip Code
Marathon County Wisconsin property records display ZIP code supporting mapping searches and geographic property identification.
Place Name
Marathon County Wisconsin property records include place name identifying the city or town location.
School District
Marathon County Wisconsin property records show school district boundaries affecting property values and taxation.
Assessed Value
Marathon County Wisconsin county assessed value reflects official property assessment used for tax calculations.
Land Value
Marathon County Wisconsin property records provide assessed land value separate from building improvements.
Improvement Value
Marathon County Wisconsin improvement value reflects structures or buildings assessed on the parcel.
Fair Market Value
Marathon County Wisconsin estimated fair market value helps determine approximate property market pricing.
Property Tax Amount
Marathon County Wisconsin net property tax amount shows total taxes due after credits.
Gross Property Tax
Marathon County Wisconsin gross property tax amount shows full tax before deductions applied.
Property Class
Marathon County Wisconsin property class identifies property type including residential commercial or agricultural.
Assessed Acres
Marathon County Wisconsin assessed acres describe property size used for taxation and land evaluation.
Deeded Acres
Marathon County Wisconsin deeded acres represent legally recorded land area on property deed.
GIS Acres
Marathon County Wisconsin GIS acres calculated through mapping technology providing accurate parcel size.
$172,612
FAQs
How many parcels are recorded in Marathon County Wisconsin?
Marathon County Wisconsin has approximately 82,906 property parcels in its official records.
How can I search property records in Marathon County Wisconsin?
You can search using owner name, parcel number (PIN), property address, or city name.
What is the effective property tax rate in Marathon County Wisconsin?
The effective property tax rate in Marathon County Wisconsin is about 1.14%.
How many residential properties are in Marathon County Wisconsin?
Marathon County Wisconsin contains around 51,299 residential properties in total.
What details are available in Marathon County Wisconsin property records?
Records include owner names, parcel ID, property values, tax information, acreage, and property classification.