Redwood Building Maintenance is one of the oldest and largest locally owned building services companies in California. It offers cost-effective custodial and maintenance care for a range of facilities. The company offers a variety of services, such as basic janitorial, floor care and carpet cleaning, window washing, lighting maintenance, emergency response, consumable supplies and construction cleanup. Redwood Building Maintenance provides a line of Green Seal-certified paper products for use in restrooms and kitchens. Located in Petaluma, Calif., it also offers several eco-friendly cleaning products that are tested and chosen based on environmental impact and performance quality, including glass and general purpose cleaners, degreasers and bathroom cleaning solutions.. Window Cleaning