Several trophy properties in the Twin Cities have recently traded hands, helping jump-start the upper-bracket market.

Here's one of the latest: On Jan. 21, Cynthia Froid of Keller Williams closed a deal on what is nearly an all-time price-per-square-foot record for a downtown condo.

She sold a 4,362 square-foot riverfront condo (Unit W31) in the Washburn Lofts building for $4.235 million, or nearly $1,000 per square foot.

That unit was never officially on the market, nor was it the highest price per square-foot for a downtown condo. That record was set last year when Froid sold unit No. 601 in the adjacent Stone Arch Lofts building for $2.995 million, or more than $1,000 per square foot.

The 10-story Washburn Lofts building is at 700 S. 2nd St. in the Mill District and was originally the Washburn Crosby Co. building, which was built in 1914. The building now has 22 condos.