RH2 Engineering, Inc. Share: Chemical EngineeringCivil EngineeringCivil General MunicipalElectrical EngineeringEnvironmental EngineeringGeotechnical EngineeringMechanical EngineeringPlanningStructural EngineeringTransportation PlanningWater/Wastewater RH2 Engineering, Inc. Visit Website 22722 29th Dr SE Ste 210 Bothell, WA 98021-4401 (425) 951-5400 (425) 398-2774 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.