Before entering into a contract or paying for services, research all construction, cleaning and debris removal contractors. Contact the Nevada State Contractors Board at (775)688-1141, www.nvcontractorsboard.com to verify licensure. To inquire about complaints against contractors, go to the Better Business Bureau of Northern Nevada website http://reno.bbb.org/ or call (775)322-0657; toll free (888)350-4222 (NV & CA).