Most listings are in the $20's per square foot per year. The Aurora submarket is seeing a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 5% decrease in rent.
Compared to the rest of the Denver Metro market, the Aurora region has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 108 listings have been posted online, so you'll want to check back regularly for new listings. About 1% of the available leases in the Aurora are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,250 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1984 and are Class B.