The typical asking rate per listing is in the $20's per square foot per year. The Nevada region is going through a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 9% decrease in rent.
In the last 90 days, 858 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the available leases in the Nevada are subleases, so you will probably have to focus your search on direct office leases. 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 2,380 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1998 and are Class B.