On average, listings lease in the $20's per square foot per year. The Parker submarket is going through a a rise in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 10% increase in rent.
Compared to the rest of the Denver Metro market, the Parker submarket has greater rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 10 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,640 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 2004 and are Class B.