- The City of Palo Alto contractor for residential refuse collection, PASCO provides basic services that Palo Alto mandates to keep our city clean. These Services Are: Backyard Garbage Collection Curbside Compostable Yard Waste Collection Curbside Recyclables Collection Landfill (Operated by City of Palo Alto) Commercial Service Drop Box Service Monthly Commercial Rate Schedule This site is ...www.pascosam.com