Pop-Up Holiday Boutique

Sat · Nov 21·9 AM – 12 PM·Fairmont Terrace Park · Hayward

Volunteers tend Fairmont Terrace Park, raking, mulching, weeding, painting, and removing graffiti with provided tools, training, and snacks, for ages 12 and under.

Sat · Nov 21·10 AM·Kenneth C. Aitken Senior & Comm Ctr · Hayward

Holiday Boutique at Kenneth Aitken SC — Over ten vendors sell one‑of‑a‑kind items and unusual treasures; free, ages 18 and up.

Sat · Nov 21·1 PM·Ashland Cmty Ctr and Park · Hayward

Visit Chabot Space and Science Center for space and science wonders, with naturalists leading fun, learning activities, ages 8–99.

Sat · Nov 21·10 AM – 11 AM·Fremont Public Library

Spanish storytime with singing and reading led by Marcela Calderón Durán at Fremont Public Library for all ages.

Thu · Oct 29·6 PM – 7 PM·Sulphur Creek Nature Center · Hayward

Beneficial Bats at Sulphur Creek Nature Center explores bat ecology for adults, ages 18 and up.

Sat · Oct 31·10 AM – 11:30 AM·San Lorenzo Community Park

Dog costume contest, pet parade, and photo opportunity at San Lorenzo Community Park, with categories for Funniest, Best Duo, and Scariest, plus goodie bags for leashed, vaccinated dogs.

Tue · Nov 3·Douglas Morrisson Theatre · Hayward

Golden Age Matinee at Douglas Morrisson Theatre.