Compared to the rest of the Greater Boston market, the Nashua region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 27 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 4% of the available leases in the Nashua 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 3,940 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1930 and are Class Class B.