Warren (IL) Investor Pulse Report (2026-Q1)

In Warren County, investors hold a total of 760 Single-Family Residential (SFR) properties, representing 13.3% of the total 5,703 SFRs in the market. This shows a significant, yet not dominant, investor presence.

The ownership structure is overwhelmingly tilted towards individuals. Individual investors own 718 properties, or 94.5% of the investor-owned portfolio, compared to just 50 properties (6.6%) owned by companies. This pattern underscores a market driven by local, small-scale participants rather than large corporations.

A look at landlord entities reinforces this finding, with 785 individual landlords compared to only 44 company landlords. This nearly 18-to-1 ratio of individual to company entities highlights the granular nature of the rental market in the county.

Financing methods reveal a strong preference for cash ownership. Landlords hold 598 properties in cash, more than triple the 162 properties that are financed. This may indicate a market with lower entry prices or a more conservative, debt-averse investor base.

The primary use for these properties is clear, as 712 of the 760 homes are classified as rented. This demonstrates that the vast majority of investor-owned properties are actively serving as rental housing supply for the community.

Investors in Warren County demonstrate a consistent ability to acquire properties at a significant discount compared to traditional homeowners. In the first quarter of 2026, landlords paid an average of $65,357, which is 55.0% less than the $145,346 paid by homeowners, a sharp price gap of $79,989.

This pricing advantage has been a recurring theme, though its magnitude fluctuates significantly. Over the prior year, the discount has been as low as 5.7% in Q3 2025 and as high as 74.2% in Q1 2025. The Q1 2026 figure represents a return to a very wide price gap, suggesting investors are finding undervalued assets.

Examining price trends over time reveals a market with accessible entry points. The average landlord acquisition price of $65,357 in Q1 2026 is lower than the 2024 yearly average of $89,953, but higher than the 2020-2023 pandemic-era average of $57,618.

The substantial and persistent discount suggests landlords are targeting different types of properties than homeowners, possibly distressed homes, off-market deals, or properties in need of repair that are less appealing to the average retail buyer.

This trend highlights the strategic advantage investors hold in the market, leveraging deal-finding tactics to build their portfolios at a lower cost basis than the general public.

Investor activity accounted for a notable portion of the market in the last quarter, with landlords purchasing 8 of the 40 total SFRs sold, capturing a 20.0% market share of acquisitions.

The entirety of this purchasing activity was driven by mom-and-pop landlords (those owning 1-10 properties). Institutional investors with portfolios of over 1,000 properties made no acquisitions, highlighting that market growth is exclusively fueled by smaller players.

A significant trend is the influx of new market participants. Five of the eight properties purchased by investors went to new, single-property landlords. This group of first-time investors made up 62.5% of all landlord acquisitions, signaling a healthy and accessible entry point into the local rental market.

The remaining acquisitions were distributed evenly among other small-scale investors: one property was purchased by an owner in the two-property tier, one in the 3-5 property tier, and one in the 6-10 property tier.

This data confirms that the current investor landscape in Warren County is defined by new and existing small landlords expanding their holdings, not by large-scale corporate consolidation.

The distribution of ownership in Warren County's rental market completely dispels the narrative of large corporate dominance. Mom-and-pop landlords, defined as those owning 1-10 properties, control a combined 97.4% of all investor-owned SFRs.

The market is anchored by the smallest players. Landlords owning just a single property (Tier 01) make up the largest group, holding 505 properties, or 63.0% of the entire investor portfolio. This underscores the grassroots nature of the local real estate investing scene.

In stark contrast, institutional investors (Tier 09) have a nearly non-existent presence. This tier, comprising owners with over 1,000 properties, holds only a single property in the county, accounting for just 0.1% of the investor market.

Mid-size landlords (11-1,000 properties) also hold a very small share. For example, investors in the 11-20 property tier own just 1.9% of the portfolio. The ownership is heavily concentrated at the bottom of the pyramid.

This ownership structure indicates a highly fragmented market with low barriers to entry, where individual investors, not large funds, provide the vast majority of rental housing.

Ownership structure varies significantly by portfolio size, revealing a clear crossover point where corporate ownership becomes more prevalent. Individual investors overwhelmingly dominate the smaller tiers, owning 94.5% of single-property portfolios and 96.2% of portfolios with 6-10 properties.

The transition to corporate ownership occurs in the mid-size category. In the 21-50 property tier, companies own 66.7% of the properties, making it the first tier where they hold a majority share. This suggests that as portfolios scale, the operational and legal benefits of a corporate structure become more advantageous.

Even in the 11-20 property tier, individual ownership remains strong at 93.3%. The shift is not gradual but appears to happen once an investor's portfolio reaches a certain critical mass, likely above 20 properties.

This data illustrates a two-part market: the vast majority of properties are held by individuals operating at a small scale, while a much smaller segment of mid-sized portfolios is primarily managed under a corporate structure.

The clear demarcation suggests different strategies and needs for investors at different points in their growth journey, with incorporation becoming a key step for scaling operations in Warren County.

Geographic analysis of investor ownership in Warren County reveals specific areas of concentration. The zip code 61462 is the epicenter of investor activity by sheer volume, containing 493 of the 760 total investor-owned properties in the county.

However, the highest concentration rate is found elsewhere. Zip code 61415 has the largest share of investor-owned homes relative to its market size, with a 17.5% ownership rate. This indicates a higher saturation of rental properties in that specific community.

Other areas with high investor penetration include 61447 (16.0% rate) and 61453 (15.7% rate), demonstrating that investor focus is not limited to a single neighborhood.

Interestingly, the zip code with the highest count of investor properties (61462) does not have the highest ownership rate (13.6%). This distinction highlights that some areas attract investors due to a larger housing stock, while others are targeted for their specific rental market characteristics, leading to a higher density of investors.

This data suggests that investors employ varied strategies across the county, with some focusing on scale in larger areas and others targeting smaller markets with higher rental demand.

Transaction history reveals a clear trend of accumulation among Warren County's landlords. In the first quarter of 2026, investors were decisive net buyers, purchasing 8 properties while selling only 2, resulting in a net gain of 6 properties to their portfolios.

This behavior is not a recent anomaly. The trend held throughout the previous year, with landlords acquiring 36 properties and selling only 9 in 2025, for a net increase of 27 properties. In 2024, the pattern was even stronger, with 48 buys and just 7 sells, a net gain of 41 properties.

A critical divergence in strategy emerges when comparing the overall market to the institutional tier. While the predominantly small-investor market is in a phase of aggressive acquisition, the county's single institutional-scale investor is divesting. In 2025, this entity was a net seller, buying only 1 property while selling 4.

This contrast paints a picture of a market where mom-and-pop investors are actively growing their presence and expressing confidence, while the largest player is strategically reducing its local footprint.

The data strongly indicates that the growth in investor ownership is being fueled from the bottom up by numerous small players, not from the top down by large-scale capital.

In the first quarter, landlords participated in 8 of the 52 total SFR transactions in Warren County, making up 15.4% of all market activity. This share is slightly below their Q4 purchase share of 20.0%, but still represents a consistent presence in the market.

All 8 of these transactions were purchases made by mom-and-pop investors (Tiers 01-04), with no activity from institutional or large mid-size players. This reinforces the finding that market activity is concentrated among smaller landlords.

An interesting pricing dynamic appeared within the investor group. First-time, single-property landlords paid the highest average price at $92,375 for their 5 acquisitions. In contrast, more established small landlords paid significantly less, with an investor in the 6-10 property tier paying just $20,000.

Notably, 0% of the properties purchased by landlords came from other landlords. This means 100% of investor acquisitions were sourced from the traditional market, likely from homeowners. This signals that investors are expanding the rental pool rather than just trading assets among themselves.

This lack of inter-landlord trading suggests a market focused on accumulation, where existing investors are holding onto their assets rather than selling to other investors.