The typical asking rate per listing is in the $20's per square foot per year. The Waltham submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $7 per sqft per year. That's a 23% decline in rent.
Compared to the rest of the Greater Boston market, the Waltham submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 32 listings have been made available, which means leases are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 19% of the listings in the Waltham 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 available, so finding a space for a small business might be tough.
Even though the median size is 5,630 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are close to 4 floors. Most buildings in this market were built in 1981 and are Class A.