In the last 90 days, 13 listings have been listed, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the available space in the Wellesley are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 5,400 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are around 3 stories. Most buildings in this region were built in 1970 and are Class A.