"She's so happy," a source explained to Us Weekly who first confirmed the news. "She thinks he is so great and all her friends love him."
The new pair were last seen together attending a boxing match between Danny Garcia and Robert Guerrero for the WBC welterweight title Saturday in Los Angeles.
Besides appearing as Clyde Oberholt on Showtime's comedy series House of Lies, Schwartz is most known for his role as bumbling slacker Jean-Ralphio Saperstein on Parks and Recreation.
Rodriguez is coming off a relationship with Revenge star Henri Esteve, with the former couple splitting in September after dating for over a year.
On Tuesday, Rodriguez launched "Movement Monday's" on her official Instagram account where she plans on recognizing Latino actors and actresses amid the recent controversy surrounding the lack of diversity in Hollywood.