Free days & verified discounts in San Francisco, California

Museums for All / EBT — $5 admission — California Academy of SciencesEBT cardholders: $5 admission, listed on the Academy's official buy-tickets page alongside general admission. Present EBT card per Academy instructions at purchase.
Source: https://www.calacademy.org/buy-tickets

Museums for All — $3 SF residents / $5 non-residents — San Francisco Zoo & GardensSan Francisco residents with an EBT/SNAP or Medi-Cal card: $3 admission through the San Francisco Museums for All program. Non-residents with an EBT/SNAP card: up to four tickets at $5 each with matching photo ID. Per official SF Zoo tickets/hours page.
Source: https://www.sfzoo.org/visit-the-zoo/tickets-hours/?keyword=Memberships

Museums for All / EBT — $5 admission — Aquarium of the BayEBT cardholders: $5 admission for up to four tickets, as summarised from the Aquarium's own tickets page. Confirm the current cap and card rules on aquariumofthebay.org/tickets before visiting.
Source: https://www.aquariumofthebay.org/tickets/

Museums for All — discounted admission for four — Children's Creativity MuseumMuseums for All guests present a physical benefits card with matching photo ID; admission is valid for four individuals including at least one child. The dollar amount is NOT printed on the official Hours & Admission page captured — do not quote a price for this perk.
Source: https://creativity.org/hours-admission/

Free days & free late afternoons — de Young — de Young MuseumFree general admission for all on the first Tuesday of each month; free Saturdays for residents of the nine Bay Area counties (ID/proof of ZIP); free admission to the permanent collection daily from 4:30pm (no ticket required; special exhibitions still priced); Museums for All (EBT/Medi-Cal) free general admission. Terms as summarised from the official FAMSF tickets/hours page and its free-days listings — confirm the Saturday-resident and first-Tuesday terms on famsf.org before publishing, as the captured page text confirms the 4:30pm free entry and youth-free pricing directly.
Source: https://www.famsf.org/visit/de-young-tickets-hours

Discover & Go — San Francisco Public Library free passes — ExploratoriumSFPL's Discover & Go: San Francisco residents with an SFPL library card can reserve free passes to Bay Area museums and attractions (a dozen-plus venues) online and print at home or at a branch; sponsored by DCYF and SF Recreation & Parks, on the Discover & Go platform developed by Contra Costa County Library. The exact venue list and per-venue caps live on the Discover & Go portal after login — this dataset badges Discover & Go only as a program, not as a guaranteed Exploratorium pass on a specific date.
Source: https://sfpl.org/