From Hwy 101 North, take the Westside Road exit. Turn left on Westside Rd. At the light (Healdsburg Avenue), turn left. The Chamber of Commerce will be on your left.
From Hightway 101 South, take the Downtown Healdsburg exit. You will drive through two traffic lights, and the Chamber of Commerce will be on your left just past the 2nd light (which is at the intersection of Mill St/Westide Rd and Healdsburg Avenue).
For public transportation, take the #60 Sonoma County Transit bus.