There are 75 large blocks of contiguous office space sized 30,000 sq. ft. and above that total 6.8 million sq. ft. The majority of options (3.5 million sq. ft.) are in the $70-$89 per sq. ft. rent range and are predominately located in existing buildings. New construction dominates available blocks in the over $100 per sq. ft. rent range. The average city-wide asking rent for all available office space is $73 per sq. ft. compared to $83 per sq. ft. for large blocks.
Source: CBRE Research