Most listings are in the $20's per square foot per year. The Ken Caryl region is going through a an increase in rates. In the last 3 months, the median rate rose $26 per sqft per year.
Compared to the rest of the Denver Metro market, the Ken Caryl submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 8 listings have been made available, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 188% of the listings in the Ken Caryl are subleases, so you might be able to sign a shorter term by taking over a previous 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 1,460 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 2002 and are Class B.