On average, listings lease in the $20's per square foot per year. The Centennial region is seeing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 6% decline in rent.
Compared to the rest of the Denver Metro market, the Centennial submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 49 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the available leases in the Centennial are subleases, so you will probably have to consider a longer term 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 2,010 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1985 and are Class B.