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Compare / Colorado vs Illinois

Colorado vs Illinois Tax Lien Investing (2026)

Verdict

Colorado and Illinois score evenly overall (5.1/10 each). Your choice hinges on which dimension matters most — the biggest gap is penalty structure (Colorado 3, Illinois 7).

Colorado5.1/10
System:
lien
Max rate:
Fed discount rate +9 pts, set each Sept 1 (14% for 2025); premium bids earn 0%
Redemption:
3yr from sale before treasurer's deed application
Illinois5.1/10
System:
lien
Max rate:
9% max penalty bid per 6-month period (P.A. 102-363, eff. 1-1-2022)
Redemption:
1yr (vacant/commercial) to 2.5yr (default)

Head-to-head: 9 dimensions

Effective yieldIllinois wins
Colorado4

14% (2025) rate but premium bids earn nothing and are not refunded

Illinois7

Penalty repeats each 6mo (max 9%/period since 2022) but Cook bids near 0%

Penalty structureIllinois wins
Colorado3

Simple interest only; rate reset yearly at discount rate +9 pts (39-12-103)

Illinois7

Full 6-month penalty tranche owed even if redeemed on day 1 of period

Redemption speedIllinois wins
Colorado2

3yrs from sale before treasurer's deed application

Illinois4

2.5yr default (1yr vacant/commercial); slow capital recycle

Auction accessColorado wins
Colorado8

Most counties run online sales (RealAuction/GovEase); county-level auctions

Illinois5

County-by-county sales with registration/deposits; Cook uses R.A.M.S. sealed bids

Low competitionColorado wins
Colorado4

Online premium bidding is aggressive; premiums erode net yield

Illinois3

Institutional buyers dominate; penalty bid to 0% on quality parcels

Low capital entryColorado wins
Colorado9

Certificates sell at taxes+fees; small liens plentiful in rural counties

Illinois7

Individual liens can be small, but deposits and registration add friction

Process safetyColorado wins
Colorado4

HB24-1056 deed path now ends in public auction; holder may get cash, not land

Illinois3

Strict take-notice/petition traps; sale-in-error can void the investment

Legal stabilitytie
Colorado4

Post-Tyler HB24-1056 (eff. 7/2024) rewrote the treasurer's deed process

Illinois4

Max bid halved to 9% in 2022; post-Tyler litigation still reshaping code

OTC availabilityColorado wins
Colorado8

County-held certificates assignable OTC from treasurers year-round

Illinois6

Unsold/forfeited liens resold via county trustee lists

Choose Colorado if…

  • you want stronger auction access — Most counties run online sales (RealAuction/GovEase); county-level auctions
  • you want stronger low capital entry — Certificates sell at taxes+fees; small liens plentiful in rural counties
  • you want stronger otc availability — County-held certificates assignable OTC from treasurers year-round

Choose Illinois if…

  • you want stronger penalty structure — Full 6-month penalty tranche owed even if redeemed on day 1 of period
  • you want stronger effective yield — Penalty repeats each 6mo (max 9%/period since 2022) but Cook bids near 0%
  • you want stronger redemption speed — 2.5yr default (1yr vacant/commercial); slow capital recycle

Frequently asked

Is Colorado or Illinois better for tax lien investing?
They score evenly overall (5.1/10 each); the right pick depends which dimensions matter to you.
Which state has the higher tax lien return, Colorado or Illinois?
Colorado: Fed discount rate +9 pts, set each Sept 1 (14% for 2025); premium bids earn 0%. Illinois: 9% max penalty bid per 6-month period (P.A. 102-363, eff. 1-1-2022). On realistic effective yield after competition, Illinois scores higher (4 vs 7).
Which has the shorter redemption period?
Colorado allows 3yr from sale before treasurer's deed application; Illinois allows 1yr (vacant/commercial) to 2.5yr (default). Shorter redemption recycles your capital faster.
Go deeper
Full Colorado guideFull Illinois guideAll 51 states (dataset)
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