Compared to the rest of the DFW Metroplex market, the Colleyville submarket has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 8 listings have come on the market, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 13% of the available space in the Colleyville are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,620 sqft. Most properties in this market are close to 1 stories. Most buildings in this market were built in 2006 and are Class B.