Most listings are in the $20's per square foot per year. The Aurora region is seeing a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 4% increase in rent.
Compared to the rest of the Denver Metro market, the Aurora submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 111 listings have been listed, so you'll want to check back regularly for new listings. About 68% of the available leases in the Aurora 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,300 sqft. Most properties in this market are approximately 2 floors. Most buildings in this area were built in 1984 and are Class B.