Most listings are in the $20's per square foot per year. The Lakeside region is going through a an increase in rates. In the last 3 months, the median rate rose $22 per sqft per year.
Compared to the rest of the Denver Metro market, the Lakeside region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 0 listings have been listed, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the available leases in the Lakeside 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.
Even though the median size is 2,700 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are close to 6 stories. Most buildings in this area were built in 1971 and are Class C.