Diablo Valley Card Show

Sat · Nov 21·9 AM·Martinez

Martinez Community Volunteer Cleanup (Main Street Plaza, Downtown Martinez) — Volunteers collect litter using supplied gloves, bags, water, snacks, and sunscreen, all ages.

Sat · Nov 21·9 AM·Martinez Senior Center, 818 Green Street Martinez, California 94553

Harvest Craft Fair at Martinez Senior Center showcases local vendors with handcrafted goods, seasonal décor, unique gifts, and complimentary hot chocolate.

Sat · Nov 21·10 AM – 12 PM·Pleasant Hill Library, Pleasant Hill

Volunteer docents at Pleasant Hill Library provide on‑spot help with email, document creation, printing, web searches and Libby eBooks for ages 18 and up.

Sat · Nov 21·10 AM – 10:30 AM·Pleasant Hill Library, Pleasant Hill

Songs, rhymes, and books for infants and caregivers on the floor at Pleasant Hill Library, with lap bounces and post‑story play, for ages 1 and under.

Sat · Oct 31·10 AM – 1 PM·Dave & Buster's Concord CA 2075 Diamond Blvd Ste. H180, Concord, 94520

Halloween bash at Dave & Buster's Concord features crafts, games, a costume contest, and a pancake banquet with three‑hour unlimited simulator play, all ages.

Wed · Nov 4·5:30 PM – 7:30 PM·Concord High School, 4200 Concord Blvd, Concord, CA 94521

Building trades apprenticeships and career paths presented at Concord High School, with networking and information on $32‑plus hourly jobs after graduation, plus a free dinner for early sign‑ups.