The epicenter of Chinese dining in the East Bay is...Dublin?!
What is happening here? There is Koi Palace. Suddenly there seems to be a flowering of dim sum places. Besides Koi and the long standing Willow Tree, now there is Golden Sand Harbor and Mayflower (soft opening). If you count Lee Garden in Pleasanton, there are 5 dim sum places within a stone throw of each other. Last Sunday the wait at Mayflower for lunch was over an hour, and it's not even officially open. Little Lamb hot pot is also opened next door. No, Dublin is not Fremont, yet. But apparently there is this dormant need for dim sum in the area. Who knew.
I think there are quite a lot of chinese/ Hong Kong folks who live in the tri-valley area these days, so the demand is there.
Fremont real estate prices are higher, so folks are 'migrating' east.
Yes, there's a huge influx of Chinese into Contra Costa. We lived in the SF Richmond when the first "new Chinatown" was established, then watched as the restaurateurs followed the wealthier Chinese down the Peninsula.
Now those Chinese are aging and their kids (us Boomers and Gen Xers) came to the East Bay for cheaper RE prices.