Get all your ducks in a row.
Check licenses, codes & more.
King County handout: "How to hire a landscape contractor"
When hiring a contractor - What you should know
Hiring a Contactor or Remodeler
Additional links:
Some other good links to research your selected contractor:
WA State Department of Labor and Industries
Report a fraudulent contractor
Municipal codes for your area:
Tip sheets on Washington State Building Codes
(Please note that codes may be updated anytime.)