On average, listings lease in the $20's per square foot per year. The Clark County submarket is going through a a rise in rates. In the last 3 months, the median rate went up $23 per sqft per year.
In the last 90 days, 12 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 142% of the listings in the Clark County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,010 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are around 1 floors. Most buildings in this region were built in 1955 and are Class B.