California Secretary of State CA49 Primary Election Results (See the vote totals by candidate and county)
Ballotpedia(Information about the 2018 Primary Election in the 49th District)
Where and How to Vote (Find your polling place, voting instructions, and ballot)
Simply enter your zip code and street address and you'll find your polling place (with the address) as well as voting instructions and access to the ballot
ProPublica Election DataBot for CA49: Spending by Candidate (Nifty summary of the spending for and against all candidates in the CA49 race)
Federal Election Commission Candidate Financial Filings (For the 49th)
Wikipedia (Information about the 49th District)
OpenSecrets.org (Alternate source for current fundraising numbers for the 49th)
California Online Voter Registration (Register now if you aren't already!)