The nation's capital has the most expensive office space in the land, but Minneapolis-St. Paul has experienced the steepest increase, according a Cassidy Turnley report cited by
Inc.com:
"Rents in D.C. rose 3.9 percent compared to a year ago, while New York rents were down 5.6 percent in the same period. Rents rose in 21 of the 80 markets tracked, with Minneapolis rising the most, up 6 percent, reaching $24.09 per square foot."