With your help SSMC can:

  • Honor local champions with our annual Sustainability and Green Building Awards
  • Evaluate trends towards sustainability in the County with the Indicators Report
  • Accelerate sustainability in San Mateo County by expanding the Sustainability Ideas Bank with more solutions for cities and businesses that have been implemented successfully, both locally and abroad
  • Spread the word about sustainability and key findings and resources from the Indicators Report and the Sustainability Ideas Bank through presentations, events, and other educational outreach
  • Advocate for sustainable policies as we build our policy work with viewpoints based on 25 years of expertise researching local economy, environment and equity issues
  • Expand our programs and build our capacity

YES! I want to support SSMC today!

SSMC is a public charity nonprofit organization with 501(c)(3) status, so your contribution is tax-deductible to the full extent allowed by law.

In these times of increased online shopping, please consider supporting SSMC while you shop online :

When you shop via, AmazonSmile donates to Sustainable San Mateo County at no cost to you!

Check out our 2019 Impact Report below:



Make a difference: Think global, act local. Donate now.


We can now accept stock donations: Donate Stock To Sustainable San Mateo County

Support us while shopping online. AmazonSmile is the same Amazon, with support for a charity of your choice. Thanks for considering supporting SSMC. Click the AmazonSmile button to get started – It’s that easy!



Use Giving Assistant to save money and support Sustainable San Mateo County
Donate 3-30% of every purchase while you shop online.
You can also become a member or make a donation by check through the mail. Make your check payable to Sustainable San Mateo County and mail to:

Sustainable San Mateo County (SSMC)
2955 Campus Drive #110
San Mateo, CA 94403

For questions about donations and memberships, other ways to contribute, or to make a pledge and receive an invoice, please contact our office:

  • Email:
  • Call: 650-918-1992