Most listings are in the $10's per square foot per year. The Allen submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $16 per sqft per year.
Compared to the rest of the Buffalo market, the Allen submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 4 listings have come on the market, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the office spaces in the Allen are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,350 sqft. Most buildings in this market are around 3 stories. Most buildings in this area were built in 1915 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Waste services is the dominant industry in this market. Most of the occupants of Allen work from home. Commuting under 5 minutes a day is the norm for those who opt to reside in this part of town.