Joliet

The three year median sale price in Joliet is $245,000. Hold that number loosely. A median is just the middle of a long line, and the line here is long. A frame cottage a few blocks off the old downtown and a 1990s house out by the Plainfield line are both Joliet, and they do not trade anywhere near each other. What you are really choosing is a block. The price, the school district, the tax rate and the age of the furnace all change when you cross a few streets. That sounds like work, and it is, but it is the good kind. It means your money has somewhere to go.

My Chicago pages start in 2013. This one starts in 2018, and I would rather just tell you why. Illinois only began collecting these sale records electronically outside Cook County around then. That is simply where the record begins. Nothing is missing and nothing is hidden. The Will County records begin in January 2018.

One more thing about what the number covers. Outside Cook County the state does not publish a code that tells a single family house apart from a condo or a duplex. A duplex is what we call a two-flat in Chicago, one building holding two separate homes. So this figure is all of them mixed together. If you are shopping for a house, plan to look above that line. If you are shopping for a townhome or a condo, you will find plenty below it. Same data, different starting point. In Joliet, the two-flat you are hunting is priced inside the same $245,000 middle as everything else.

Joliet is really several towns wearing one name. Southeast of the old downtown is the East Side district, about 290 buildings, most built between 1870 and 1900. West across the river, up on the limestone bluff, is Upper Bluff: 337 contributing houses built between roughly 1850 and 1930, on unusually big lots, about 60 feet by 180. Head west and north and the houses get newer and you start landing in different school districts entirely. The county's own tax records show Joliet Township blocks sitting in School District 86, in District 70-C and in High School District 204, depending on where you stand. Two houses on the same errand run can feed different schools. Check the address, not the city name.

The station downtown is on two Metra lines, the Rock Island and the Heritage Corridor, at 90 E. Jefferson Street, fare Zone 4, with about 910 parking spaces and nine Pace bus routes touching it. Amtrak stops there too. The jobs are spread out on purpose: Saint Joseph Medical Center at about 2,532 people, Will County government at 2,370, Joliet Junior College at 1,576, the school districts at about 2,400 between them, the city itself at 915, the ExxonMobil refinery at 584, and two casinos at roughly 900 combined. On the south end sits the CenterPoint intermodal complex, where containers come off trains and go onto trucks. That is why the warehouses are here.

Here is the honest part, and then I will move on. Property taxes in Joliet are high, and how high depends on your block, not your city. For tax year 2025, payable 2026, the published composite rates inside Joliet Township run from 6.34% of assessed value at the low end to 8.98% at the high end. Most City of Joliet blocks land around 7.87% to 8.03%. Assessed value in Illinois is meant to be about one third of market value, so a $245,000 house is assessed near $81,000 before any exemptions, and the rate applies to that. The way around it is not a trick, it is a habit. Before you write an offer, get the tax code number for that specific parcel and look up its rate in the Will County Clerk's township tables. It is a five minute look and it can move your monthly payment by a couple hundred dollars.

Rent data in Joliet is thin, and I would rather tell you that than hand you a confident number. The two big listing sites disagree right now: one puts a two bedroom at $1,800 and a three bedroom at $2,195, the other at $1,659 and $1,849. Both are built mostly from apartment complex listings, not from the older two-flats and small houses you would actually buy. For a steadier benchmark, HUD's Fair Market Rent for the area that includes Will County is $1,781 for a two bedroom and $2,294 for a three bedroom. Use that as a sanity check and then go get real numbers from real listings on your block. One more thing to plan for: Joliet requires rental owners to register and hold a license, including a two unit where you live in one side, and the initial inspection fee for one unit is $100.

Now the part I like. If you buy an owner occupied building in one of Joliet's historic districts and put real money into fixing it, Illinois will freeze your assessed value for eight years, then step it back up over four more. It is not just for single family houses. The state's own rule covers a residential building with up to six units as long as the owner lives in one of them. Your eligible rehab spending has to equal at least 25% of the assessor's pre-rehab value. Think about what that means in a town where the middle house costs $245,000. The old two-flat that scares people off because it needs everything is exactly the building the program was written for. That door is open, and Joliet has more of those houses than almost anywhere in the corridor.