On average, listings lease in the $10's per square foot per year. The Armory Square submarket is going through a a rise in rates. In the last 3 months, the median rate went up $15 per sqft per year.
In the last 90 days, 2 listings have been listed, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,600 sqft. Most buildings in this region were built in 1930 and are Class B.
This area is fairly equally mixed residential and commercial. Wholesale trade is the dominant industry in this region. Commute by public transit is the most popular way to get to work amongst Armory Square residents. Commuting between 20 and 25 minutes a day is the norm for those who opt to reside in this part of town.