KPFF Consulting Engineers Share: Civil EngineeringCivil General MunicipalEarthquakeFire ProtectionStructural EngineeringTransportation Planning KPFF Consulting Engineers Visit Website 1601 5th Ave Ste 1600 Seattle, WA 98101-3665 (206) 622-5822 (206) 622-8130 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.