Most listings are in the $20's per square foot per year. The Wasilla submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $12 per sqft per year. That's a 66% rise in rent.
In the last 90 days, 4 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 50% of the available space 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 available, 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 market are close to 2 stories. Most buildings in this region were built in 1984 and are Class A.