Most listings are in the $20's per square foot per year. The West Seneca region is going through a an increase in rates. In the last 3 months, the median rate rose $21 per sqft per year.
In the last 90 days, 10 listings have been made available, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 230% of the listings in the West Seneca are subleases, so you might be able to find a shorter term or below market rent. 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 spaces below 2,000 sqft. Most buildings in this market are close to 2 floors. Most buildings in this area were built in 1988 and are Class A.