Seattle Fire Department spokesman Kyle Moore says residents were able to get out safely. No serious injuries were reported.
Fire crews were able to knock down the worst of the flames in about 45 minutes.
There was no immediate word on what caused the fire.
More Northwest Headlines
Assaults on staff at state psych hospital costing millions Everett man, 52, dies of natural causes in Skagit County jail Seattle Black Lives Matter protest draws hundreds Polar bear at Tacoma zoo dies; suffered from liver cancer Yakima might hire outside investigator for city employees Fleeing burglary suspect jumps in Puyallup River Farm recalls produce used in Costco salad linked to E. coli Oregon firefighters rescue owl tangled in fishing line
Our new comment system is not supported in IE 7. Please upgrade your browser here.