County level election results are “unofficial” until the County Commissioners have canvassed the results on or before the tenth day following the election. See NRS 293.387.
State level election results are “unofficial” until the fourth Tuesday in November after the General Election when the Nevada Supreme Court Justices meet with the Secretary of State to open and canvass the vote for the number of presidential electors (in presidential election years), U.S. Senator, Representative in Congress, members of the Legislature, state officers who are elected statewide or by district, supreme court justices, appeals court judges, district court judges, elected officials whose districts include more than one county, and state questions. See NRS 293.395.