What does 4,000 tons of organics, recycling, and garbage look like and how does it get processed in one day?  If you are a Castro Valley Sanitary District (CVSan) resident or business owner find out for yourself and see what happens to your organics and garbage once it leaves your curb. Watch video highlights from the Davis Street Transfer Station Tour.


Watch video highlights from the Davis Street Transfer Station Tour.


The Materials Recovery Facility (MRF) Residents and Business Owners on a Tour

Davis Street processes 4,000 tons of materials a day with 4 state of the art processing facilities, including:

  1. A Leadership in Energy and Environmental Design (LEED) Gold certified organics building.
  2. A single stream materials recovery facility (MRF) that houses a high-tech optical sorter which uses infrared light and manual sorters that separate materials with precision and speed. 
  3. A construction and demolition debris MRF (materials from construction and large remodeling jobs).
  4. A $10 million Expanded Construction & Demolition/Commercial Materials Recycling Facility.
Manual Sorting    The Optical Sorter


The New Leadership in Energy and Environmental Design (LEED) certified Gold Organics Building

Fun Facts About Davis Street

Did you know that, in one year, Davis Street Transfer Station processes:

  • 296 million pounds of yard debris and food scraps (that's like 900 million pizza boxes or 600 million oranges)
  • 26 million pounds of wood
  • 21 million pounds of inerts (toilets, sinks, concrete, asphalt, bricks and cinder blocks)

In conjunction with StopWaste.Org, Davis Street also houses an education center for the county's 4th and 5th graders.  Approximately 20,000 of Alameda County's students visit the iRecycle@School education center every year!

Davis Street Transfer Station Tour 2019 Website Registration

Processing Facilities Tour 2019 Website Registration

The Processing Facilities tour is open for Castro Valley Sanitary District (CVSan) residents and business owners to attend. This tour provides an opportunity to tour the Davis Street Transfer Station (DSTS) and Alameda County Industries (ACI) Materials Recovery Facility to see what happens to your recycling, organics, and garbage after it is collected. The tour is approximately three and one-half (3.5) hours including transportation to and from the processing facilities, a question and answer session with staff at the facilities, and returning to CVSan.

Please take into consideration that this is a walking tour consisting of uneven surfaces, obstacles, up and down steep stairs (roughly 130 steps total), inclines, and elevated areas. If you are not physically able to participate, it is recommended that you contact CVSan to discuss an alternate tour option. For safety reasons, it is mandatory that attendees wear long pants or skirts and close-toed shoes; you will not be allowed on the tour otherwise. For safety reasons, we ask that you refrain from using your cell phone (calling, texting, etc.) during the tour.

Free transportation to and from the processing facilities will be provided. For those who wish to drive their own vehicle to DSTS and ACI, you may do so but please inform CVSan staff in advance as parking at DSTS and ACI is limited and must be coordinated. It is preferred that attendees ride in the free shuttle transportation provided.

Upcoming Tour: Thursday, July 18, 2019

Registration Deadline: July 9, 2019

If you do not receive a confirmation email or phone call within 5 business days of the tour date, contact Purvi Solanki at purvi@cvsan.org or (510) 537‐0757 x117 to ensure that you are registered to attend the tour. Registration confirmation is required to attend and participate in the tour. Visitors who arrive at the CVSan office, DSTS facility, or ACI facility unregistered will not be able to participate in that day’s tour. Minimum age requirement is 10 years.

Itinerary is as follows:


Attendees arrive at CVSan office; roll call


Welcome, Continental Breakfast, and Tour Introduction Presentation


Board bus


DEPART: Castro Valley Sanitary District


ARRIVE: Davis Street Transfer Station; tour begins


Tour ends; board bus; roll call


DEPART: Davis Street Transfer Station


ARRIVE: Alameda County Industries (ACI)


ACI Tour begins


Tour ends; board bus; roll call




ARRIVE: CVSan office, Conclusion of Tour


I assume all risks associated with participating in this tour including but not limited to, following safety instructions, falls, contact with other participants, the effects of the weather, the conditions of the roads, and traffic along the site, all such risks being known to and appreciated by me.

Having read this waiver and knowing these facts, and in consideration of the acceptance of entry, I, for myself and anyone entitled to and on my behalf, waive and release Castro Valley Sanitary District and all persons and agencies connected with the tour from all claims or liabilities of any kind arising out of my participation in and travel to and from the event, even though that liability may arise out of negligence or carelessness on the part of the persons named in this waiver.

I attest that I am physically able to participate in this tour. As part of this waiver, I acknowledge that I have read and understand all of the above.

I hereby grant consent and authorize the use and reproduction of any and all photographs and/or videos taken or media produced in connection with the Processing Facilities Tour, or anyone authorized by Castro Valley Sanitary District (CVSan) to the use of negatives, positives, electronic images or proofs for education and recycling promotional purposes, without further compensation to me or anyone I am signing on behalf of or their representatives. All negatives, positives, and electronic images, together with the prints shall constitute the property of CVSan, solely and completely.

Thank You! Please click on the SUBMIT button below once the registration form has been filled.

CVSan staff will be contacting you with confirmation of attendence.