What’s happening at the site now?
The Demolition of the Cement Plant
In coordination with Santa Clara County and other agency stakeholders, the approvals process for demolition of the Permanente Cement Plant and its surrounding buildings has begun.
Prior to the physical demolition of the buildings on-site, this application process includes all of the steps required by the agencies and applicable federal, state and local laws, including: permitting, environmental review, remediation and consolidation of utilities.
The demolition will include 30-40 total structures within the 123-acre site.
Dates for the work being done:
2022
Heidelberg Materials decides to permanently end cement kiln operations at the Permanente property
Heidelberg Materials enters into agreement with Santa Clara County to permanently cease kiln operations and demolish cement plant structures
2023
Quarter 32025
Heidelberg Materials begins the required permitting process for the demolition of the Cement Plant site
Upon completion of the permitting process, the environmental review process began.
Estimated Quarter 42025
2025/2026
Heidelberg consolidates utilities and any remaining operations at the site.
Heidelberg received approval from Santa Clara County to commence demolition
June 2026
July 2026
Demolition commences at the Cement Plant
Following the completion of demolition, Heidelberg will undertake the final necessary regulatory steps to complete the project, in coordination with Santa Clara County.
Estimated 2026/2027
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