North Bay Janitorial Services. Redwood Building Maintenance takes pride in providing timely quality janitorial service for medical facilities, schools, office buildings, wineries, factories, banks & government buildings in Sonoma County & the North Bay.RESIDENTIAL127340ATTR:COMMERCIAL254520ATTR:COMMERCIALCONSTRUCTION CLEAN UPPOWER WASHINGPRESSURE WASHINGWINDOW CLEANINGWINDOW WASHINGREFERENCES...