The typical asking rate per listing is in the $10's per square foot per year. The Westminster region is experiencing a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 20% decline in rent.
Compared to the rest of the Greater Baltimore market, the Westminster submarket has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 2 listings have been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 700% of the office spaces in the Westminster 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,210 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1988 and are Class B.