This is the former site of the short-lived Mono. They've opened up the space and added some semi-outdoor seating. Breakfast, lunch, dinner seven days. Seems like a major neighborhood hangout.
One exception to their generally locavore focus is amazing Kentucky ham from Colonel Bill Newsom. Looks like prosciutto, taste and texture similar to Iberico but smoky. http://www.newsomscountryham.com/
I also had some shrimp, "Yucatan-style" broiled oysters, and pork ribs, all good. Tried all five wines on tap, all good values. They have four good local beers on tap, too. Selection of coffees in the morning.
Great place, I'm looking forward to going back soon.
The menu's on their blog: http://chopbar510.blogspot.com/
247 4th St, #111, Oakland, CA 94607