The typical asking rate per listing is in the $20's per square foot per year. The Parker region is experiencing a a boost in rates. In the last 3 months, the median rate increased $28 per sqft per year. That's a Inf% increase in rent.
Compared to the rest of the Denver Metro market, the Parker region has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 24 listings have been listed, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the available leases in the Parker are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,480 sqft. Most properties in this area are close to 2 stories. Most buildings in this market were built in 2002 and are Class B.