Frequently Asked Questions

Waste Management of Alameda County, Inc. (WMAC) is the exclusive provider of residential and commercial recycling, organics and trash collection services in the Oro Loma Sanitary District.

For questions about your service, you may contact WMAC Customer Service. For single-family and multi-family residents, call (510) 613-8710 and for commercial customers, call(510) 613-8700.

What are the hours of collection?
My garbage/recycling/compost service was missed. Whom do I call?
My cart/bin is damaged/missing. Whom do I call?
What if I have physical difficulty taking my carts out to the curb?
How do I recycle used motor oil? Filters?
Whom should I call about the disposal of household hazardous waste?
Where can I get more information about recycling uncommon items?
I'm interested in home composting. Where can I get more information?

Q. What are the hours of collection for residential and commercial customers?
A. Residential collections are Monday through Friday from 6:00 am to 6:00 pm. Multi-family property collections are Monday through Saturday 6:00 am to 6:00 pm. Commercial collections are Monday through Saturday 4:00 am to 7:00 pm, except where a business is within two hundred feet of residential property; collection shall begin no earlier than 6:00 am or cease no later than 6:00 pm.

Q. My garbage/recycling/organics service was missed. Who do I call?
A. Single and Multi-Family dwelling customers should call WMAC at (510) 613-8710. Commercial customers should call WMAC at (510) 613-8700.

Q. My cart/bin is damaged/missing. Who do I call?
A. Single and Multi-Family dwelling customers should call WMAC at (510) 613-8710.Commercial customers should call WMAC at (510) 613-8700.

Q. What if I have physical difficulty taking my carts out to the curb?
A. Residential carts can be collected from backyards for an additional fee, or no fee for qualifying disabled individuals. Call WMAC at (510) 613-8710 for details.

Q. How do I recycle used motor oil? Filters?
A. Free curbside collection of used motor oil and car filters is available to single-family residents. Place used motor oil in one-gallon screw-top jug available through WMAC (510-613-8710) along with oil filter in customer-provided sealed plastic bag curbside next to carts on collection day.

Others may contact the Alameda County Recycling Hotline toll-free at (877) STOPWASTE (786-7927) or visit its website, https://www.stopwaste.org/at-home/household-hazardous-waste to learn about motor oil recycling services.

Q. Who should I call about the disposal of household hazardous waste?
A. Call the Alameda County Household Hazardous Waste Program at (800) 606-6606 or visit https://www.stopwaste.org/at-home/household-hazardous-waste

Q. Where can I get more information about recycling uncommon items?
A. Call the Alameda County Recycling Hotline toll-free at (877) STOPWASTE (786-7927) or visit its website at http://www.stopwaste.org/

Q. I'm interested in home composting. Where can I get more information?
A. Call the "Rotline" at (510) 444-SOIL or visit http://www.stopwaste.org/ for information about home composting, and remember that many items not compostable at home (food-soiled paper, meat and cheese, bread products) can be placed in your green waste cart for composting.