ARLINGTON, Va.--(BUSINESS WIRE)--Today Apartments.com, an industry-leading online marketplace of CoStar Group (NASDAQ: CSGP), published its latest report on multifamily rent trends for October 2025. U.S. apartment rents declined in October, with the national average falling to $1,708 — a 0.3% decrease from September's revised figure of $1,713. This marks the fourth consecutive month of flat or negative monthly rent change and the steepest October decline in over 15 years. Three of the five stee. ...