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Market Overview
Apartment buildings for sale are averaging a cap rate of 8.61%. That sits below the Illinois state average that tracked between about 8.82% and 8.90% across the seven months recorded through Q3 2026. Chicago held steady at 8.63% from Q1 through Q3 of the same period.
- Price per square foot in Chicago held flat at $185 in both Q1 and Q3 2026, while the Illinois state average rose from $162 in Q1 2026 to $249 in Q3 2026, a difference of more than 53%, making Chicago's pricing notably more stable than the broader state market over the same stretch.
- Active apartment building listings in Chicago grew from 261 in Q1 2026 to 315 by Q3 2026, with the count reaching a peak of 337 in May before pulling back, and there are currently 320 listings available.
- The average listed building size in Chicago rose from about 27,900 square feet in Q1 2026 to roughly 42,000 square feet by Q3 2026, and listings currently average 41,619 SF, with the largest available property reaching 349,185 SF.
Frequently Asked Questions
How are duplexes valued compared to larger multifamily properties?
Smaller properties like duplexes may be valued using comparable sales in addition to income-based methods. In contrast, larger multifamily properties are typically valued primarily on net operating income and cap rate. If you're benchmarking pricing across markets, reviewing duplexes for sale in the U.S. can help you compare deal structure and pricing patterns.
Are triplex properties available on LoopNet?
Yes. LoopNet lists triplex properties in markets nationwide. A triplex provides three income streams within one asset, which can improve cash flow stability compared to a duplex while remaining operationally simple. Explore triplexes for sale across the U.S. to compare pricing and available inventory by market.
What should I analyze before buying a fourplex?
Investors should review rent roll stability, operating expenses, property condition, local rental demand, and financing structure. Because fourplexes operate more like small commercial assets, underwriting discipline becomes more important at this level. Browse fourplexes and quadplexes for sale to compare unit mix, pricing, and expected return profiles across markets.
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