The typical asking rate per listing is in the $10's per square foot per year. The Clark County region is seeing a a boost in rates. In the last 3 months, the median rate went up $15 per sqft per year.
In the last 90 days, 7 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,680 sqft. Most properties in this market are around 1 floors. Most buildings in this market were built in 1994 and are Class A.