On average, listings lease in the $20's per square foot per year. The Sandy submarket is going through a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 6% decline in rent.
In the last 90 days, 33 listings have come on the market, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the available leases in the Sandy 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 3,790 sqft, there are still 0 leases below 2,000 sqft. Most properties in this region are around 3 floors. Most buildings in this area were built in 2000 and are Class B.