Landfills in Highlands Ranch, CO Douglas County License Plates2223 W Wildcat Reserve Pkwy # G1Highlands Ranch, CO, 801293036607440Assessors OfficeCity Of LakewoodCounty LandfillGovernment Offices Douglas County Office9651 S Quebec StHighlands Ranch, CO, 801303034700916County Landfill South Suburban Parks & Recreation District8560 S Colorado BlvdHighlands Ranch, CO, 801263037987515County Landfill Show MoreSee AlsoDumps