On average, listings lease in the $30'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 rose $3 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 13 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 8,740 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region were built in 1972 and are Class C.