Flu season is under way, and two Bay Area counties are running free or low-barrier flu shot clinics over the next few weeks. Clinic information can change, so check the county pages before you go.

San Mateo County

San Mateo County Health lists these free flu vaccine clinics:

  • Thursday, Oct. 29: East Palo Alto, 8:30-11:30 a.m.; Half Moon Bay, 4-6 p.m.
  • Friday, Oct. 30: South San Francisco, 5-7 p.m.
  • Saturday, Oct. 31: East Palo Alto, 8:30-11:30 a.m.; San Mateo, 11 a.m.-2 p.m.
  • Sunday, Nov. 1: San Mateo, 11 a.m.-2 p.m.
  • Thursday, Nov. 5: East Palo Alto, 8:30-11:30 a.m.
  • Friday, Nov. 6: Daly City Health Center, 380 90th St., first floor, 5-7 p.m.
  • Saturday, Nov. 7: East Palo Alto, 8:30-11:30 a.m.

For the Daly City clinic, the county says no appointment, ID or health insurance is needed. It's open to people 2 and older, and it has high-dose flu vaccine for adults 65 and older. People with insurance can also get vaccinated through their doctor or pharmacy.

Marin County

Marin County Public Health's remaining fall clinics offer flu shots to everyone 6 months and older, regardless of insurance:

  • Thursday, Oct. 29, 3-6 p.m.: Tomales Town Hall, 27150 Main St., Tomales
  • Wednesday, Nov. 4, 3-6 p.m.: Fairfax-San Anselmo Children's Center, 199 Porteous Ave., Fairfax
  • Saturday, Nov. 14, 10 a.m.-1 p.m.: The Kove at Northgate Mall, 5800 Northgate Dr., San Rafael
  • Tuesday, Nov. 17, 3-6 p.m.: Point Reyes Dance Palace, 503 B St., Point Reyes Station
  • Tuesday, Nov. 24, 2-6 p.m.: North Marin Community Services, 1907 Novato Blvd., Novato

Most Marin clinics also offer COVID shots, but eligibility rules differ by site and insurance. The county says providers at the events may include Kaiser, Safeway, Golden Gate Pharmacy and Marin County Public Health. It also notes the 2026-27 flu vaccine is now available at many retail pharmacies.