In the last 90 days, 3 listings have been made available, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 33% of the available space in the Jefferson Park are subleases, so you might be able to snag a great spot on a short term. 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 sqft. Most buildings in this area are around 1 floors. Most buildings in this area were built in 1950 and are Class C.