On average, listings lease in the $10's per square foot per year. The Nevada region is seeing a a rise in rates. In the last 3 months, the median rate went up $20 per sqft per year.
In the last 90 days, 22 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 86% of the available leases in the Nevada 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 on the market, 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 close to 2 floors. Most buildings in this region were built in 1989 and are Class A.