Most listings are in the $20's per square foot per year. The Essex Village region is going through a a rise in rates. In the last 3 months, the median rate increased $22 per sqft per year.
In the last 90 days, 1 listings have been made available, which means new availabilities most likley are going fast. 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 1,660 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1920.