Washington, D.C. recorded the biggest rent increase, while Jacksonville posted the biggest decrease. The typical U.S. asking rent ticked up 0.6% year over year in September to $1,634, with several East Coast and Midwestern metros seeing the biggest increases. That’s according to a new report from Redfin (redfin.com), the technology-powered real estate brokerage. Rents were down 0.2% on a month-over-month basis.