The typical asking rate per listing is in the $30's per square foot per year. The West Haven-Sylvan region is seeing a a boost in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 9% increase in rent.
Compared to the rest of the Greater Portland market, the West Haven-Sylvan submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 5 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 20% of the listings in the West Haven-Sylvan 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.
The standard measurement for office space in this area is around 2,240 sqft. Most buildings in this area are approximately 3 stories. Most buildings in this area were built in 2002 and are Class A.