The typical asking rate per listing is in the $50's per square foot per year. The Westfield region is going through a a rise in rates. In the last 3 months, the median rate went up $24 per sqft per year. That's a 82% rise in rent.
In the last 90 days, 1 listings have been posted online, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. 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 4,000 sqft, there are still 0 leases below 2,000 sqft. Most properties in this region are around 1 floors. Most buildings in this area were built in 1950 and are Class B.