Well JThur01 beat me to this one, mainly because I was sitting at New Bay Seafood while he did his posting asking about the predecessor Ah Sham Tseng at 203 W. Valley Blvd. This location is hallowed ground in SGV Chinese food history since it was the home starting in the 1970s of Jumbo Seafood, one of the pioneering Hong Kong style seafood restaurants in the Los Angeles area, and after detouring into cafe food, it's back in the seafood fold. For a Chinese restaurant, New Bay Seafood has a very limited menu of just a few dozen items. In addition, New Bay breaks from the mold because if you don't like seafood, there are not a lot of choices, as the menu is more heavily weighted towards seafood than anyplace I've seen. Their signature dishes appear to be New Bay black cod, and New Bay lobster, presumably made with their own secret sauce. They say they've already been open for a couple of weeks, which is what I get for spending so much time in New York.
Also, down the street on Valley Bl. in Alhambra, Shanghai Village (1281 E. Valley) is gone, to be replaced by Kim Kee Noodle.