The typical asking rate per listing is in the $20's per square foot per year. The Greeley submarket is going through a a boost in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 30% increase in rent.
In the last 90 days, 51 listings have been posted online, so you'll want to check back regularly for new listings. About 10% of the available leases in the Greeley 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,200 sqft. Most properties in this area are around 1 stories. Most buildings in this area were built in 1986 and are Class B.