Assisted living in San Mateo County, California

208 assisted living communities are listed in San Mateo County.

Assisted living: a median of $5,500 a month (middle half $5,100 to $6,650), from 182 priced providers in San Mateo County, as of November 14, 2026.

Of the 208 assisted living communities listed in San Mateo County, 204 accept private pay, 5 accept the Medicaid Assisted Living Waiver, 2 accept long-term care insurance, 2 accept Medicare, 2 accept Veterans Affairs (VA). Others may accept these too without saying so in our sources; ask the provider.

Medicare does not rate assisted living communities; it gives star ratings from 1 to 5 to nursing homes, home health agencies and hospices. 2 of the 208 assisted living communities here have a Medicare star rating, for the Medicare-certified care at the same site. Providers without stars are shown with their state inspection record; 205 of the 208 were inspected in the last 3 years; 121 of them had a serious citation.