Wisconsin

Unclaimed property is administered by the Wisconsin Department of Revenuethrough the Wisconsin Unclaimed Property program.

Search Wisconsin unclaimed property ↗Download XLSX ↗

Official search & downloadable data

Search tool

https://www.revenue.wi.gov/Pages/UnclaimedProperty/Home.aspx

XLSX

Heir finder / unclaimed property owner file (Excel)

Wisconsin Department of Revenue heir-finder downloadable file.

Finder & Recovery Rules

Licensing / Registration

No finder license or registration required.

Fee Cap

No statutory percentage cap; standard RUUPA enforceability requirements apply (Wis. Stat. §177.1301).

Waiting Period

Agreements are void if entered between delivery to the administrator and 24 months after; mineral-proceeds provisions void outright (Wis. Stat. §177.1302).

Governing Statute

Wis. Stat. Ch. 177 (RUUPA, 2021 Act 87); finder agreements §§177.1301–1302 (verified June 2026).

Summaries marked “verify” have not been independently confirmed against the current statute text. Nothing here is legal advice — confirm rules with the state administrator or counsel before contacting claimants.

Where county money sits in Wisconsin

County treasurers handle in-rem tax foreclosure; 2023 Wis. Act changes post-Tyler created surplus claim procedures — verify current county practice.

County Directory — Wisconsin

72 counties · 11 with verified sources so far. Rows without a verified link show where the records are typically held —know the direct URL? Submit it and we'll credit you.

County	Source links
Adams County	not yet verified
Ashland County	not yet verified
Barron Countyverified 2026-07-21Barron County — taxSurplus source verified 2026-07-21 (page mentions: excess funds; unclaimed funds).	Tax deed / tax sale surplus ↗
Bayfield County	not yet verified
Brown County	not yet verified
Buffalo County	not yet verified
Burnett Countyverified 2026-07-21Burnett County — taxSurplus source verified 2026-07-21 (page mentions: unclaimed funds).	Tax deed / tax sale surplus ↗
Calumet County	not yet verified
Chippewa County	not yet verified
Clark County	not yet verified
Columbia County	not yet verified
Crawford County	not yet verified
Dane Countyverified 2026-07-21Dane County — taxSurplus source verified 2026-07-21 (page mentions: unclaimed funds; unclaimed property).	Tax deed / tax sale surplus ↗
Dodge County	not yet verified
Door County	not yet verified
Douglas County	not yet verified
Dunn CountyDunn County — document link; content not auto-verifiable, needs manual review.	Tax deed / tax sale surplus ↗
Eau Claire County	not yet verified
Florence County	not yet verified
Fond du Lac Countyverified 2026-07-21Fond du Lac County — taxSurplus source verified 2026-07-21 via probe (page mentions: unclaimed funds).	Tax deed / tax sale surplus ↗Mortgage foreclosure overage ↗Probate / unclaimed estates ↗
Forest County	not yet verified
Grant County	not yet verified
Green County	not yet verified
Green Lake County	not yet verified
Iowa County	not yet verified
Iron County	not yet verified
Jackson County	not yet verified
Jefferson County	not yet verified
Juneau County	not yet verified
Kenosha County	not yet verified
Kewaunee County	not yet verified
La Crosse County	not yet verified
Lafayette County	not yet verified
Langlade County	not yet verified
Lincoln County	not yet verified
Manitowoc County	not yet verified
Marathon Countyverified 2026-07-21Marathon County — taxSurplus source verified 2026-07-21 via probe (page mentions: unclaimed funds; unclaimed property).	Tax deed / tax sale surplus ↗
Marinette County	not yet verified
Marquette CountyMarquette County — county website only; no dedicated surplus/unclaimed funds page verified yet.	not yet verified
Menominee County	not yet verified
Milwaukee Countyverified 2026-06-10Milwaukee County — site blocks automated checks (HTTP 403); needs manual review.	Tax deed / tax sale surplus ↗
Monroe County	not yet verified
Oconto County	not yet verified
Oneida County	not yet verified
Outagamie Countyverified 2026-07-21Outagamie County — taxSurplus source verified 2026-07-21 via probe (page mentions: unclaimed funds).	Tax deed / tax sale surplus ↗Mortgage foreclosure overage ↗
Ozaukee County	not yet verified
Pepin County	not yet verified
Pierce County	not yet verified
Polk County	not yet verified
Portage County	not yet verified
Price County	not yet verified
Racine Countyverified 2026-07-21Racine County — taxSurplus source verified 2026-07-21 via probe (page mentions: unclaimed funds; unclaimed property).	Tax deed / tax sale surplus ↗Probate / unclaimed estates ↗
Richland Countyverified 2026-07-21Richland County — taxSurplus source verified 2026-07-21 via probe (page mentions: unclaimed funds).	Tax deed / tax sale surplus ↗
Rock County	not yet verified
Rusk County	not yet verified
Sauk County	not yet verified
Sawyer County	not yet verified
Shawano County	not yet verified
Sheboygan Countyverified 2026-07-21Sheboygan County — taxSurplus source verified 2026-07-21 via probe (page mentions: unclaimed funds).	Tax deed / tax sale surplus ↗
St. Croix Countyverified 2026-07-21St. Croix County — taxSurplus source verified 2026-07-21 (page mentions: unclaimed funds).	Tax deed / tax sale surplus ↗
Taylor County	not yet verified
Trempealeau County	not yet verified
Vernon County	not yet verified
Vilas County	not yet verified
Walworth County	not yet verified
Washburn County	not yet verified
Washington County	not yet verified
Waukesha County	not yet verified
Waupaca County	not yet verified
Waushara County	not yet verified
Winnebago CountyWinnebago County — county website only; no dedicated surplus/unclaimed funds page verified yet.	not yet verified
Wood County	not yet verified