The Sierra at Jack London Square loft Condos are a beautiful condo and loft style mid rise building built in 2003 consisting of 227 total units and 4 floors. These units have multiple flat and loft style floor plans. Located right off of the 880 freeway right by tons of shopping in oakland and a stone's throw away from lake merrit, jack london square BART station and tons of shopping. These units are awesomely located right in the middle of what's happening. pet friendly building. AVAILABILITY AND PRICING GIVE US A CALL. 949-491-3583 OR SUBMIT INFO BELOW 311 Oak St, Oakland, CA 94607