Tacoma: 
Address - 950 Broadway Suite 200 Tacoma, WA 98402-4453
Phone - 253-596-3800
 
Tumwater: 
Address - 7273 Linderson Way SW Tumwater, WA 98501-5414
Phone - 360-902-5799
 
http://www.lni.wa.gov/TradesLicensing/Electrical/FeePermInsp/default.asp