How do I search Marathon County WI property records?

Use the free search tool on this page. Enter owner name, property address, or parcel number to access Marathon County property records. The official land records search is at ascent.co.marathon.wi.us. Note: City of Wausau property records and tax payments are handled separately through the City of Wausau Treasurer's Office — not Marathon County.

Why is Marathon County called the Ginseng Capital of the World?

Marathon County produces approximately 95% of all ginseng exported from the United States and about 10% of the world's supply. Ginseng cultivation in the county began with the Fromm Brothers in Hamburg, Wisconsin around 1900. The sandy soils of central Wisconsin are uniquely suited to growing American ginseng, which is highly prized in Asian markets and contributes approximately $20 million annually to the local economy.

What is Marathon County Wisconsin's property tax rate?

Marathon County's median effective property tax rate is approximately 1.52% — above the Wisconsin state average. However, rates vary significantly by municipality: the City of Wausau carries rates up to 2.05%, while rural areas average around 1.04%. The median home value is $183,400. Always verify the specific municipality's rate before purchasing.

How do I contact the Marathon County Register of Deeds?

The Marathon County Register of Deeds is located at 500 Forest Street, Wausau, WI 54403. Phone: (715) 261-1010. Office hours are Monday through Friday, 8:00 AM to 4:30 PM. Land records are searchable online at ascent.co.marathon.wi.us. Note: City of Wausau property tax payments go to the City Treasurer, not Marathon County.

Marathon County Wisconsin Property Appraiser, Search Your Record Lookup

Marathon County, Wisconsin is the state's largest county by land area at 1,545 square miles — and holds the title of Ginseng Capital of the World, producing 95% of all ginseng exported from the United States. Home to Wausau, a Wisconsin River city anchored by Rib Mountain's 1.5-billion-year-old quartzite peak, the county maintains 78,000+ parcels across its cities, villages, and towns. Search ownership records, assessed values, and parcel details free — no login needed.

County Seat: Wausau Tax Rate: 1.52% Wisconsin's Largest County

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Property Updates and News

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

4,178

Avg. Home Age Single Family

72 Years

Avg. Square Feet Single Family

N/A

Residential Sales 2026

222

Homes Seriously Underwater

2.18%

Residential Sales past year

1,776

Rich Homes percentage

37.62%

Effective 2026 Property Tax

1.14%

Total Foreclosure Filings 2025

Near By Counties In Marathon County

Trempealeau County

Shawano County

Oconto County

St. Croix County

Marathon County — Wisconsin's Largest County and Ginseng Capital

Marathon County's ginseng heritage began with the Fromm Brothers — who started cultivation in Hamburg, Wisconsin around 1900 — and grew into a $20 million annual industry that today produces 95% of all U.S. ginseng exports. The crop is highly prized in Asian markets, and Marathon County's sandy soils are uniquely suited to its production. Above the ginseng fields rises Rib Mountain — a 1.5-billion-year-old quartzite monadnock reaching 1,924 feet, one of the oldest exposed rock formations in Wisconsin. Granite Peak Ski Area operates 58 runs on Rib Mountain's slopes with a 700-foot vertical drop — the 4th tallest ski area in the Midwest. Wausau also houses the largest curling facility in the United States, with 8 Olympic regulation sheets of ice serving 350 adult members and 150 high school athletes. Property values span a wide range within the county: Wausau carries an effective tax rate of up to 2.05%, while rural townships and smaller communities carry rates around 1.04%.

Marathon County Property — Key Stats 2026

78,000+

Total parcels

$183,400

Median home value

1,545

Square miles (largest in WI)

95%

US ginseng exports from here

Marathon County's effective tax rate varies significantly by municipality — from 2.05% in the City of Wausau to as low as 1.04% in rural areas. Buyers comparing properties across the county should verify the specific municipality's tax rate before purchase. City of Wausau property tax payments go directly to the City Treasurer, not Marathon County — a procedural difference that affects payment deadlines and methods.

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

View Marathon County Parcel Map — Official GIS

Search Wisconsin's largest county by land area — parcel boundaries, Rib Mountain area properties, and ownership data on Marathon County's live GIS mapping system, updated monthly

Open Marathon County Land Records →

Also: Wisconsin Statewide Parcel Map (all 72 counties)

Helpful for Marathon County Property Research

Wisconsin Property Tax Calculator Buying Property in Wisconsin Guide Lincoln County Records → Portage County Records → Wood County Records → Search All 72 Wisconsin Counties

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.

Abbotsford

$172,612

Eland

$242,053

Schofield

$256,361

Aniwa

$179,004

Hatley

$259,614

Spencer

$197,433

Athens

$224,162

Marathon

$269,278

Stratford

$223,486

brokaw

138,259

Mosine

$278,347

Unity

$220,266

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.