On average, listings lease in the $20's per square foot per year. The Nevada submarket is going through a a rise in rates. In the last 3 months, the median rate increased $28 per sqft per year.
In the last 90 days, 871 listings have been listed, so you'll want to check back regularly for new listings. About 110% of the available space 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,400 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 1998 and are Class B.