On average, listings lease in the $20's per square foot per year. The Southwest Santa Rosa region is going through a a rise in rates. In the last 3 months, the median rate went up $23 per sqft per year.
Compared to the rest of the Bay Area market, the Southwest Santa Rosa submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 5 listings have been posted online, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. About 160% of the office spaces in the Southwest Santa Rosa 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 1,660 sqft. Most properties in this area are approximately 1 floors. Most buildings in this market were built in 1988 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Education is the dominant industry in this market. Most of the folk of Southwest Santa Rosa work from home. Commuting around an hour a day is the norm for those who opt to reside in this part of town.