As expected, Multnomah County has whittled down the list of bidders for its historic downtown courthouse to one who's offered up $28 million for the building.
Portland's NBP Capital, which has been busy in Portland of late, plans to buy the 275,000-square-foot building and lease it back to the county for at least two years while the county's new courthouse approaches completion.
The county will be able to stay in the existing courthouse building for two years without paying any rent to NBP; a…