San Luis Obispo County
Integrated Waste Management Authority
870 Osos St, San Luis Obispo, CA 93401
Phone: (805) 782-8530
Website: https://www.iwma.com/
Cold Canyon Landfill
2268 Carpenter Canyon Rd, San Luis Obispo, CA 93401
Phone: 805-549-8332
Website: https://www.coldcanyonlandfill.com/
City of Santa Maria Landfill
2065 East Main Street
Santa Maria, CA 93454
(805) 925-0951 ext. 7270
Website: https://www.cityofsantamaria.org/