KNTV NBC11 News The Bay Area At 6 September 17, 2010
people out there, but we're not running into them yet. >> reporter: they tell homeowners to be aware, and ask to see every contractor's license. it proves the contractor has experience and has gone through a criminal background check. >> a lot of times people don't have licenses, they know they will never be able to passion. you have people convicted of fraud out here doing this work. >> everything you can imagine just burned. >> servpro is one of the comp y companies hired by pg&e to go through the houses and remove dangerous chemicals that could cause respiratory problems. >> right...