Events

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Events Created By Sustainable Contra Costa (8)

Date range
March 21, 2026
Saturday

  • West Contra Costa Repair Fair

  • Mar 21, 2026 from 1:00pm to 3:00pm
  • Location: Hercules Library, 109 Civic Drive
  • Description:

    Do you live in West Contra Costa and have a lamp, small appliance, textile, or bike in need of repair?

    Bring it to the Repair Fair!

    Volunteers and specialized repair professionals will be on-hand to repair your items.  We ask that you stay with your

  • Created by: Sustainable Contra Costa
March 28, 2026
Saturday

  • Free Virtual Home Composting Workshop

  • Mar 28, 2026 from 10:00am to 12:00pm
  • Location: Online webinar
  • Description:
    Learn how easy it is to make compost in your backyard from household food scraps, leaves and yard trimmings.
     

    A FREE virtual home composting workshop. Discover how practically anyone can learn to compost or improve their existing compost techniq

  • Created by: Sustainable Contra Costa
April 11, 2026
Saturday

  • Great Tomato Plant Sale

  • Apr 11, 2026 to Apr 22, 2026
  • Location: Demonstration gardens in Walnut Creek & Antioch
  • Description:

    The tomato plant sale is back! The Contra Costa Master Gardeners will have many varieties of seedlings for you to take home and grow.

    • 70+ varieties of tomatoes, plus peppers, eggplants, squash and more
    • All plants are $4.00
    • All sales are Visa, Master
  • Created by: Sustainable Contra Costa
April 18, 2026
Saturday

  • John Muir Birthday­–Earth Day

  • Apr 18, 2026 from 10:00am to 4:00pm
  • Location: John Muir National Historic Site, Martinez
  • Description:

    Celebrating John Muir’s 188th birthday, the 56th Anniversary of Earth Day and the National Park Service Centennial, plus the 71st Anniversary of the John Muir Association

    Live music, historic re-enactments, dozens of exhibitors.

    Admission and parking

  • Created by: Sustainable Contra Costa
April 25, 2026
Saturday

  • El Cerrito Repair Workshop

  • Apr 25, 2026 from 1:00pm to 4:00pm
  • Location: El Cerrito Community Center
  • Description:

     

    Learn how to fix your stuff! Ripped jeans? Cracked screen? Broken blender? 

    Repair coaches will be available to help attendees not only fix their item but also learn the skills to make their own repairs in the future!

    Register the item you would li

  • Created by: Sustainable Contra Costa
May 2, 2026
Saturday

  • Free Virtual Worm Composting Workshop

  • May 2, 2026 from 10:00am to 12:00pm
  • Location: Online webinar
  • Description:

    Worm castings make great fertilizer! In this free online workshop you’ll learn how to create your own worm compost. Vermicomposting (“vermi” is Latin for “worm”) is the process of using worms to break down organic food waste into nutrient-rich soil.

  • Created by: Sustainable Contra Costa