On average, listings lease in the $50's per square foot per year. The Essex Village submarket is going through a a rise in rates. In the last 3 months, the median rate went up $29 per sqft per year. That's a 119% rise in rent.
In the last 90 days, 1 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 470 sqft. Most properties in this area are around 2 stories. Most buildings in this market were built in 1920.