Sangamon County, Illinois

Tax Lien194,345 residents

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

Sale typestate default

Tax Lien

Redemption periodstate default

2–2.5 years depending on property type

Investor returnstate default

Up to 36% penalty per 6-month period (bid-down), 18% max per period at auction

Governing statutestate default

35 ILCS 200, Art. 21

Notes

Illinois tax lien certificate county. Sangamon County Treasurer annual tax sale tentative November 6, 2026, 10:00–10:30 a.m., County Complex Room 223, 200 S Ninth St, Springfield. Buyer registration deadline 5:00 p.m. October 26, 2026 with required Treasurer forms. Penalty-rate competition for delinquent taxes under IL Property Tax Code. Redemptions via County Clerk (cash/certified funds/money order only for redemption estimates). Annual sealed-bid surplus real property & mobile home auction after tax-agent tax-deed pipeline. State-capital employment base.

Auction logistics

Format

In-person (annual certificate sale); sealed bid surplus

Frequency

Annual tax sale early November (2026 tentative Nov 6); surplus sealed-bid auction annually

Platform

Sangamon County Treasurer — Annual Tax Sale ↗

Deposit rules

Complete registration documents to Treasurer by Oct 26, 2026 5 p.m. Attend sale; pay awarded taxes+costs per same-day instructions. Surplus auction: sealed bid with full payment by catalog deadline via Tax Agent process. Contact treasurer@sangamonil.gov.

Title risk

Liens that survive the sale

Tax certificate lien only. Tax deed requires post-redemption petition. Federal and some municipal liens can survive. Full title search before deed.

Quiet title

Common after Illinois tax deed for marketable title.

Deal maths for Illinois

Assessment ratio: 0.3333× of market value
Typical quiet title: $1,800–$5,000 · 5 mo
Recording and transfer: $350

35 ILCS 200/9-145: property outside Cook County is assessed at 33⅓% of fair cash value.

Offices and records

Tax collector

Sangamon County Treasurer (Joe Aiello) ↗

217-753-6800

Clerk of court

Sangamon County Clerk — Tax Assessment / Delinquent / Redemption ↗

Property appraiser

Sangamon County Supervisor of Assessments ↗

GIS / parcel map

Sangamon County parcel / tax search ↗

Areas trending up

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

Downtown Springfield / Capitol complex edge

State government employment density supporting rental demand

West Springfield / Veterans Parkway corridor

Suburban SF demand and retail amenity density

Chatham / south county fringe

School-driven owner demand and continued lot absorption