On average, listings lease in the $10's per square foot per year. The Erie County region is seeing a decrease in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 11% decrease in rent.
In the last 90 days, 27 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 4% of the available space in the Erie County are subleases, so you will probably have to consider a longer term lease. 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 office spaces below 2,000 sqft. Most properties in this area are approximately 2 stories. Most buildings in this area were built in 1961 and are Class B.