Location! Location! L o c a t I o n ! Spaces for lease located in Highly visible offices and retail plaza, the busiest Diamond Bar Blvd. Right next to the Post Office, it is one of the best locations in the City of Diamond Bar. Perfect size: 1860 sf., with lots of office rooms (also have 2080 sf., 624 sf & 520 sf. Plenty of parking spaces for both offices and retails, and easy access from freeway 60 and freeway 57.