Most listings are in the $20's per square foot per year. The Colonial Park region is experiencing a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 12 listings have been listed, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 50% of the listings in the Colonial Park are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,360 sqft. Most buildings in this region are approximately 2 floors. Most buildings in this area were built in 2000 and are Class A.