The typical asking rate per listing is in the $20's per square foot per year. The Tacoma submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $24 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Tacoma region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 13 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 569% of the available leases in the Tacoma 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,550 sqft. Most properties in this region are around 2 floors. Most buildings in this region were built in 1975 and are Class B.