On average, listings lease in the $30's per square foot per year. The West Haven-Sylvan submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $37 per sqft per year.
Compared to the rest of the Greater Portland market, the West Haven-Sylvan submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 4 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 100% 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.
Even though the median size is 4,970 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are approximately 4 stories. Most buildings in this area were built in 2002 and are Class A.