On average, listings lease in the $20's per square foot per year. The Castle Rock region is experiencing a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 12% decline in rent.
Compared to the rest of the Denver Metro market, the Castle Rock region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 18 listings have come on the market, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 6% of the available leases in the Castle Rock are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 11,270 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this area were built in 1997 and are Class B.