Jefferson County, Wisconsin

Tax Deed86,245 residents

County research last verified 2026-07. Office holders, platforms, and deposit rules change — re-confirm anything time-sensitive.

Sale typestate default

Tax Deed

Redemption periodstate default

None once the county forecloses (roughly 2 years of delinquency before that)

Investor returnstate default

N/A — outright deed transfer

Governing statutestate default

Wisconsin Statutes Ch. 75

Notes

Wisconsin in-rem tax foreclosure (deed) county. Jefferson County takes title under §75.521 after multi-year delinquency, then sells tax-delinquent real estate under §75.69 and county Real Estate Tax Foreclosure Policy. Recent cycles used Wisconsin Surplus Online Auction (e.g. July 21–Aug 20, 2025 rounds) and sealed-bid sales for residual parcels. Minimum bid often equals Finance Committee appraised/estimated FMV; quitclaim deed; no abstract or title insurance furnished. Sold AS IS. Watertown / Fort Atkinson / Lake Mills — Madison–Milwaukee corridor.

Auction logistics

Format

Online auction and/or sealed bid (varies by round)

Frequency

Periodic when in-rem inventory posts (online rounds and sealed-bid residual sales)

Platform

Jefferson County Treasurer — Tax Delinquent Real Estate (WI Surplus / sealed bid) ↗

Deposit rules

Follow each Notice of Auction / Notice of Sealed Bid Sale for deposit, minimum bid (often appraised value), and settlement. Quitclaim only; bidder responsible for inspection, zoning, and title. No bid below posted minimum typically accepted. Confirm current round on county RFP/Treasurer notices and wisconsinsurplus.com when listed.

Title risk

Liens that survive the sale

In-rem tax deed to county then quitclaim to buyer generally cuts off most junior private liens joined in foreclosure; federal and some governmental liens can survive. Full title search required.

Quiet title

Common after WI tax deed quitclaim for insurable title in the Madison–Milwaukee corridor market.

Deal maths for Wisconsin

Assessment ratio: 1× of market value
Typical quiet title: $1,800–$5,000 · 5 mo
Recording and transfer: $250

Wis. Stat. § 70.32(1) requires real property to be valued at the full value which could ordinarily be obtained at private sale, and § 70.05(5)(b) requires each taxation district to assess at full value at least once in every 5-year period. The Department of Revenue computes the actual assessed-to-full-value ratio for every district annually under § 70.05(5)(c) and notifies districts that drift more than 10% off over four years.

Offices and records

Tax collector

Jefferson County Treasurer ↗

920-674-7254

Clerk of court

Jefferson County Clerk of Circuit Court / Register of Deeds ↗

Property appraiser

Jefferson County Real Property Lister / GIS ↗

GIS / parcel map

Jefferson County GIS / land records ↗

Areas trending up

Directional read from dated market analysis — not a guarantee, and not a substitute for your own comps.

Watertown / Rock River industrial edge

Manufacturing employment and dual-county liquidity with solid SF absorption

Fort Atkinson / Jefferson core

Local industrial and retail jobs with more attainable inventory than lake towns

Lake Mills / I-94 Madison fringe

Madison commuter demand and lake-adjacent lifestyle premiums