In the last 90 days, 5 listings have been listed, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 20% of the available space in the Lincoln Park are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, 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 availabilities below 2,000 sqft. Most properties in this market are around 1 floors. Most buildings in this area were built in 1960 and are Class B.