Most listings are in the $20's per square foot per year. The Westfield region is experiencing a decline in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 12% decrease in rent.
In the last 90 days, 14 listings have been listed, which means spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. About 7% of the available leases in the Westfield 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 posted, so finding a space for a small business might be tough.
Even though the median size is 6,410 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are approximately 2 stories. Most buildings in this area were built in 1964 and are Class C.