Most listings are in the $20's per square foot per year. The Centennial region is seeing a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% rise in rent.
Compared to the rest of the Denver Metro market, the Centennial region has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 63 listings have been posted online, so you'll want to check back regularly for new listings. About 3% of the office spaces 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 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 2,190 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1985 and are Class B.