Cook County will begin transitioning away from private tax buyers.

Chicago, Illinois
Tax Liens & Mortgage Notes
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Cook County will begin transitioning away from private tax buyers.

Bruce Lynn
Real Estate Broker · Coppell, TX · Member since 2011 · 5k+ posts · 4k+ votes
  • The legislation establishes a six-year pilot program in which the county purchases delinquent tax debts itself. After six additional tax sales (anticipated through 2030), private tax buyers would no longer participate in Cook County's annual tax sales under the current model.

    This just sounds like a disaster to me.  Chicagoland could have used some reforms to alleviate the abuse of buyers backing out of the sale and some collusion, but for the government to buy the liens...that does not sound like a recipe for success.
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John Clark
Member since 2018 · 1k+ posts · 1k+ votes
1mo

The county already owns the lien, and always has. What will happen now is that the county will foreclose and the land will be sold at auction. The county will get its taxes owed, and the surplus will go to the owner. 

The current system was found unconstitutional, so the new system is needed.

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  • John UnderwoodPro Member
    Investor · Greer, SC · Member since 2014 · 13k+ posts · 17k+ votes
    2mo

    Thats crazy!

    Selling tax liens is how counties get people to pay their taxes and they make a lot of money on keeping the unclaimed over bid money.

    Buying these themsleves just for the back taxes could still cost millions. I guess they havd plenty of cash to partially self fund the givernment.

    Many of these properties are unwanted no value properties that they will be stuck with.

    What about the liability of owning derilict properties that an investor would likely fix up?

    I see no upside for the county doing this.

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  • John Clark
    Member since 2018 · 1k+ posts · 1k+ votes
    1mo

    The county already owns the lien, and always has. What will happen now is that the county will foreclose and the land will be sold at auction. The county will get its taxes owed, and the surplus will go to the owner. 

    The current system was found unconstitutional, so the new system is needed.

    1Reply
  • Zuriel Galvez
    Member since 2026 · 31 posts · 9 votes
    1mo

    The piece I'd add is that this probably isn't Cook County deciding it wants to be in the lien business. Tyler v. Hennepin County is what's driving it. Once a county can't keep the surplus above what it's owed, the math on selling that debt to a private buyer changes, and a lot of states have been rewriting process since. Illinois just went further than most.

    John's point about derelict inventory is the real risk though. The private buyer pool was doing free triage. Nobody bids on the parcels that aren't worth the taxes, so those just sat there quietly. If the county takes the debt on everything, it finds out exactly how much of its roll is worthless and it's now holding it.

    The other thing worth watching is that six years means six more sales, not a switch. Transition-year procedure usually gets set administratively rather than in the statute, so the published rules will probably move more than the law does. That's the part that catches people who plan off the legislation.

    Bruce, you post these from a lot of states. Are you reading the legal notices directly, or is there a source that actually flags this stuff early?

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  • Jonathan KlemmBusiness Member
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    Contractor · Chicago, IL · Member since 2016 · 4k+ posts · 2k+ votes
    1mo

    Appreciate you sharing @Bruce Lynn - But what does that even mean?  What would the county do with the tax liens?  Wouldn't they end up selling them off anyway?

    Chicago and Cook County are a very confusing place to navigate tax liens and sales.

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  • Zuriel Galvez
    Member since 2026 · 31 posts · 9 votes
    1mo

    Jonathan, the mechanical difference is what gets sold and when. Right now the county sells the debt up front and a private buyer carries it. Under the pilot the county holds the debt, forecloses itself, and what eventually gets sold is the property rather than the certificate.

    So yes, things still end up at auction. But the county takes on the collection risk and the timeline in the middle, and after Tyler it can't keep any surplus above what it's owed, so it doesn't get the upside that made private buyers willing to carry that risk in the first place.

    The part I'd watch from the contractor side is what it does to inventory. Private buyers only bought the liens worth buying, which meant the parcels nobody wanted just sat there. If the county takes the debt on everything, it inherits the whole distressed tail, and how fast any of it comes back to market depends entirely on how aggressively the county wants to process it.

    Worth saying I'm reading this off the summary Bruce posted rather than the bill text, so the transition mechanics could work differently in practice.

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  • Jonathan KlemmBusiness Member
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    Contractor · Chicago, IL · Member since 2016 · 4k+ posts · 2k+ votes
    4w

    Greatly appreciate the break down @Zuriel Galvez - so in theory would this some what level the playing field for people who didnt know anything about tax liens but could handle tha auction part of it? Is there any chance they clear the tax lien and then list the properties on the open market?

    Seems like taking on the debt is a huge undertaking for Chicago / cook County, but setting up the process would be even heavier. Sounds like its only going to increase the time it takes those properties to be renovated and sold back in decent condition.

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  • Aaron ZimmermanBusiness Member
    Accountant · Chicago, IL · Member since 2018 · 2k+ posts · 1k+ votes
    3w

    I'm curious how this will turn out. The county is basically being a bank, just in a different department. Am I reading that correctly?

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  • Zuriel Galvez
    Member since 2026 · 31 posts · 9 votes
    3w

    Jonathan, on the playing field question, partly, but not in the direction most people would want.

    Buying a certificate is the part that takes specialized knowledge. Redemption periods, paying subsequent taxes to protect your position, notice requirements, the petition for deed. That's what kept the buyer pool small and a little clubby. Bidding on a property the county has already foreclosed is a much lower barrier, closer to a normal foreclosure auction. So yes, more people can participate.

    The catch is that the people who can now participate include every flipper in Cook County, not just the lien funds. Lower barrier to entry usually means bid-up prices. A lot of the margin in the old model came from the process being tedious rather than from the properties being hidden.

    On clearing title and listing on the open market, Cook County already runs a version of that. The Cook County Land Bank Authority takes distressed and tax-delinquent parcels, clears what it can, and passes them to buyers with rehab conditions attached. If the pilot works the way the summary reads, that's the natural home for the inventory nobody bids on. I'd watch whether they scale that up alongside it, because that's the actual answer to your renovation timeline concern.

    One thing I wouldn't assume: a county foreclosure wipes the county's own tax claim, not necessarily everything else. Mortgages, IRS liens, and municipal or code enforcement liens survive or don't depending on whether they were actually named and served in the proceeding. Same diligence problem as before, just moved to a different stage.

    Aaron, I'd push back gently on the bank framing. A bank puts out new money. The county was always the creditor here. It just used to sell that receivable immediately and accept a discount in exchange for certainty and speed. Now it holds the receivable and carries the collection risk itself. Same position on the balance sheet, different exit.

    Usual caveat that I'm reasoning from structure rather than the bill text, so if someone here has actually worked through the statute I'd take the correction.

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  • Amit PatelBusiness Member
    Property Manager · Bartlett, IL · Member since 2025 · 141 posts · 57 votes
    3w

    Cook County moving toward buying the delinquent tax debt itself is a big shift from the long standing private buyer system. A lot of local owners and investors have mixed feelings about it.

    On one hand, the old model had real problems with aggressive buyers, last minute backs outs, and practices that made the process feel unpredictable for property owners. Cleaning some of that up could reduce the worst abuses. On the other hand, putting the county in the role of buyer raises practical questions about how efficiently they will manage the liens, how redemption will work, and what it means for the overall market in the long run.

    For those of us managing properties here, the main things to watch are how quickly delinquencies get resolved, whether the process stays transparent, and whether it creates more or less uncertainty for owners who fall behind. Six years is a long pilot, so there will be time to see how it actually plays out on the ground.

    It will be interesting to see the early results once the county starts handling more of these purchases.

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  • Crystal SmithPro Member
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    Real Estate Broker · Chicago, IL · Member since 2014 · 2k+ posts · 1k+ votes
    3w

    There was a US Supreme Court Case in 2023 Tyler v. Hennepin that forced the Cook county to do this.

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