Gov. Gavin Newsom blasted the monitors as an attempt at voter suppression ahead of the Nov. 4 special election.
Voters can find help at these centers with obtaining a replacement ballot, registering to vote, casting a provisional ballot and more.
Over 3 million mail ballots have been returned in the special election about redrawing congressional districts. Political observers were surprised.
The California special election to decide Proposition 50 is Nov. 4, and voting centers open across many California counties starting Saturday, Oct. 25. Here is information on how to track your ballot.
With Election Day now less than two weeks away, one of California's congressional districts that would see some of the biggest changes if Proposition 50 passes is District 3, represented by Republican Congressman Kevin Kiley.