Most listings are in the $20's per square foot per year. The Wasilla region is going through a an increase in rates. In the last 3 months, the median rate went up $8 per sqft per year. That's a 37% rise in rent.
In the last 90 days, 4 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 200% of the listings in the Wasilla are subleases, so you might be able to snag a great spot on a short term. 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 1,090 sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 1984 and are Class A.