DOWL Share: Civil EngineeringCivil General MunicipalHydrology/HydrogeologyLand DevelopmentLand SurveyingSanitary EngineeringTransportation PlanningUtilities/EnergyWater/Wastewater DOWL Visit Website 8420 154th Ave NE Redmond, WA 98052-3800 (425) 869-2670 (425) 869-2679 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.