Most listings are in the $10's per square foot per year. The Cedar Falls submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 7% decline in rent.
In the last 90 days, 6 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 150% of the available leases in the Cedar Falls are subleases, so you might be able to find a shorter term or below market rent. 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 1,500 sqft. Most properties in this region are approximately 1 stories. Most buildings in this region were built in 1983 and are Class A.