Hi Brooke, there are beautiful tree-lined streets in San Carlos ... Carmelita, Alma, Tamarack, Knoll, Elizabeth, ... just a few that immediately come to mind. The best way to find a great home on a great street in San Carlos is to have a Realtor who is constantly on the look out for you. I'd be happy to assist you with your home search, please contact me at your convenience. Shirley Kraus, Intero Real Estate Services, www.shirleyismyrealtor.com. I look forward to meeting you!