On average, listings lease in the $20's per square foot per year. The Colleyville region is seeing a a rise in rates. In the last 3 months, the median rate increased $25 per sqft per year.
Compared to the rest of the DFW Metroplex market, the Colleyville region has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 8 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 38% of the available space in the Colleyville are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, 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 region are around 1 floors. Most buildings in this region were built in 2006 and are Class B.