Flip Activity Report · State

Illinois Flip Activity Report

September 2026 · Illinois

11,652
Homes Flipped (12 mo.)
$99K
Avg Gross Profit
45.4%
Avg ROI
175 days
Avg Days to Flip

Illinois House Flipping Yields $99K Average Gross Profit Across 11,652 Deals

In the past 12 months, the Illinois real estate market has been a hotbed of investor activity, with 11,652 residential properties bought and resold. This high volume of transactions generated an average gross profit of $99K per flip, showcasing a market with significant financial upside for savvy investors who can manage costs and timelines effectively.

Illinois Flip Market Overview

The Illinois house-flipping market is one of the nation's most active, characterized by strong profitability and a rapid pace of transactions. According to BatchData's latest Flip Activity Report, the 11,652 homes flipped in the state over the last year represent 3.5% of the national total. This performance places Illinois at #12 among all 50 states, firmly establishing it as a major player in the national real estate investing landscape. The state's activity level is considerably higher than the national per-state average of 6,715 flips, indicating an outsized concentration of investment.

The financial metrics are equally compelling. Investors in Illinois saw an average gross return on investment (ROI) of 45.4% before accounting for rehabilitation, holding, and transaction costs. This robust gross margin provides a substantial buffer for project expenses. Furthermore, the average time to complete a flip was just 175 days. This sub-six-month turnaround time signifies a market with high liquidity and efficient capital velocity, allowing investors to reinvest their profits more quickly. These key indicators paint a picture of a mature, high-volume market that offers both substantial opportunity and, by extension, significant competition. Success in this environment requires a deep understanding of local market dynamics, from the dense urban core of Chicago to smaller metropolitan areas across the state.

What's Driving Flipping Activity in Illinois?

The state's performance is not uniform; it is driven by a combination of high profitability, rapid capital turnover, and intense geographic concentration. A closer look at the data reveals an ecosystem dominated by the Chicago metropolitan area, but with surprisingly strong pockets of activity in other regions, offering diverse opportunities for investors.

Profitability and Capital Velocity

The two headline metrics for any flipper are profit and speed, and Illinois delivers on both fronts. The average gross profit of $99K per transaction provides a strong starting point for calculating net returns. This figure, representing the difference between the purchase price and the resale price, indicates that there is ample spread in the market to accommodate significant renovation budgets and other associated costs. Investors who can accurately estimate repairs and manage their projects efficiently are well-positioned to capture a healthy net profit.

Complementing the strong profit margins is an average gross ROI of 45.4%. This percentage measures the gross profit relative to the initial acquisition cost, offering a standardized way to assess deal performance. A return of this magnitude is highly attractive and suggests that investors are successfully identifying undervalued assets and adding substantial value through improvements.

Perhaps just as important is the average hold time of 175 days. This rapid turnaround is critical for managing cash flow and maximizing annual returns. A shorter holding period reduces exposure to market shifts and minimizes carrying costs like taxes, insurance, and loan payments. The ability to buy, renovate, and sell a property in under six months points to an efficient market with a deep pool of buyers and readily available contracting services, at least in the state's more active areas.

The Dominance of Cook County

Any analysis of the Illinois real estate market must begin with Cook County. As home to Chicago and its immediate suburbs, the county is the undisputed engine of the state's flipping activity. With 4,261 homes flipped in the past year, Cook County single-handedly accounts for a massive portion of the state's total volume. This concentration is a direct reflection of the area's immense housing stock, population density, and economic gravity.

For investors, this high volume translates to a target-rich environment. The sheer number of transactions means a constant flow of potential deals, from distressed single-family homes to condos in need of cosmetic updates. However, this volume also attracts intense competition from both local flippers and large-scale investment firms. Success in Cook County requires sophisticated property sourcing strategies, often leveraging tools like a property search platform and access to timely pre-foreclosure data to find opportunities before they hit the open market. The market's scale provides opportunity, but it also demands a high level of operational expertise to navigate.

Suburban Strength and Downstate Surprises

While Cook County leads by a wide margin, the surrounding "collar counties" constitute a powerful secondary market. DuPage County ranked second in the state with 754 flips, followed closely by Lake County at 683 flips and Will County at 665 flips. Kane County also placed in the top tier with 463 flips. These suburban Chicago markets offer a different investment thesis, often characterized by larger single-family homes, strong school districts, and a distinct buyer demographic. The substantial activity in these areas demonstrates that the flipping market is not confined to the urban core but extends deep into the suburbs, where demand for renovated homes remains high.

Perhaps the most revealing insight from the county-level data is the strength of downstate markets. St. Clair County, located in the Metro East region across the river from St. Louis, Missouri, breaks into the top five with an impressive 573 flips. This performance places it ahead of several larger Chicagoland counties and signals a robust, independent flipping ecosystem far from Chicago's influence. Its neighbor, Madison County, reinforces this trend, ranking sixth with 509 flips. The strong showing from these two counties indicates that investors are finding significant opportunities in the state's other major economic hubs.

Further diversifying the landscape are markets like Winnebago County (Rockford), which saw 449 flips; Sangamon County (Springfield), with 328 flips; and Peoria County, with 326 flips. This distribution of activity across the state's secondary and tertiary cities highlights a broader-based market than a cursory glance might suggest. While Chicago is the primary driver, profitable flipping is occurring in multiple distinct regions across Illinois.

In stark contrast, the data also reveals a significant urban-rural divide. Many of the state's more rural counties show minimal activity. For instance, Hardin, Morgan, Pope, Schuyler, and Stark counties each recorded just one flip over the entire 12-month period. This low volume suggests that the conditions necessary for a thriving flipping market, a deep buyer pool, available housing stock suitable for renovation, and access to financing and labor, are far less prevalent in these less populated areas.

Investor Takeaways

The Illinois house-flipping market presents a complex but rewarding landscape for investors who approach it with a data-driven strategy. The state's high transaction volume, strong gross profits, and rapid capital turnover create a favorable environment for growth, but success hinges on understanding the nuances of its diverse regional markets.

The primary takeaway is that opportunity is abundant but geographically concentrated. The 11,652 flips statewide confirm a liquid and active market. The average gross profit of $99K and gross ROI of 45.4% provide a significant margin for investors to work with, but these are averages. Actual returns will vary dramatically based on location, project scope, and operational efficiency. The 175-day average flip time is a powerful indicator of market velocity, but achieving this requires precise project management and a reliable team of contractors.

Investors must make a strategic choice about where to operate. Competing in the high-stakes, high-volume market of Cook County requires significant capital and a sophisticated deal-sourcing apparatus, potentially using a property data API to analyze thousands of properties. Alternatively, the suburban collar counties like DuPage and Lake offer substantial volume with potentially different property types and competition levels. For those looking to diversify or avoid the Chicago-area fray, the data clearly validates markets like St. Clair and Madison counties as viable, high-activity hubs.

Ultimately, navigating this landscape effectively requires granular, property-level intelligence. As detailed in BatchData's ongoing series of Investor Pulse reports, success in modern real estate is less about intuition and more about leveraging comprehensive data to identify undervalued assets, assess risk, and execute with precision. Whether targeting a single-family home in a Chicago suburb or a distressed property in the Metro East, Illinois investors have a robust market to work in, provided they have the right tools and insights to guide their decisions.

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How to cite this report

BatchData. (2026). Illinois Flip Activity Report (September 2026). BatchService, Inc. Retrieved from https://reports.batchdata.io/market-reports/flip-activity/2026-09/state/il/. Licensed under CC BY-NC-ND 4.0.