On average, listings lease in the $10's per square foot per year. The Parker submarket is going through a decrease in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 21% decline in rent.
Compared to the rest of the Denver Metro market, the Parker submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 10 listings have been listed, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 90% of the available space in the Parker 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 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 1,940 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this region were built in 2004 and are Class B.