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Here are CoStar's top multifamily stories of 2025

Rent growth saw a major decline in October, and coliving apartments gained momentum
U.S. monthly apartment rent growth declined in its largest October drop in more than 15 years. Denver led the nation with the steepest monthly rent decline in October. (Getty Images/iStockphoto)<br/>
U.S. monthly apartment rent growth declined in its largest October drop in more than 15 years. Denver led the nation with the steepest monthly rent decline in October. (Getty Images/iStockphoto)
By CoStar News Staff
December 24, 2025 | 2:06 P.M.

U.S. monthly apartment rent growth declined in its largest October drop in more than 15 years as an oversupply of units affects many parts of the country. Meanwhile, the concept of transforming vacant office buildings in cities across the country into shared-living style apartments is gaining support as a way to ease a shortage of cost-effective housing and revitalize downtown business districts.

Here are some of the top multifamily real estate stories of 2025.