Here are some helpful websites.

WA State Landlord/Tenant Law (short):  http://www.lawhelp.org/documents/1593216300EN.pdf?stateabbrev=/WA/

WA State Landlord/Tenant Law (all):  http://apps.leg.wa.gov/RCW/default.aspx?cite=59.18

Mr. Landlord (forum):  http://bbs2.mrlandlord.com/

Landlord Information/tips/forms:  http://www.thelpa.com/lpa/associations/washington.html

Fair Housing Top 100 Questions:  http://www.metrokc.gov/dias/ocre/100Qs1.htm

Tenant's Union:  http://tenantsunion.org/

Disaster Preparedness Handbook:  http://www.doh.wa.gov/phepr/handbook/hbk_pdf/EmerRes08.pdf