The typical asking rate per listing is in the $20's per square foot per year. The Battle Ground region is seeing a a boost in rates. In the last 3 months, the median rate rose $22 per sqft per year.
Compared to the rest of the Greater Portland market, the Battle Ground submarket has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 2 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 500% of the available leases in the Battle Ground 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 1,050 sqft. Most buildings in this area are close to 2 floors. Most buildings in this area were built in 2008 and are Class A.