Health insurance insurance companies — San Mateo, CA

Last updated: September 24, 2026

What affects the price

When you look at insurance under 65, the monthly rate isn't one-size-fits-all. Carriers look closely at your specific health history, current medications, and the type of lifestyle you lead. Where you live also plays a big part in how these plans are priced, as local regulations and medical costs vary by state. We help you weigh these options so you find the right balance for your budget. Exact pricing confirmed free on the call.

About this service

These are the organizations that underwrite your policy and pay for covered medical services. They maintain networks of doctors and hospitals that you can visit for care. You interact with them when you need to verify if a procedure is covered, process a claim, or find a provider who accepts your specific plan. Choosing the right company often comes down to the size of their provider network and how well they support your specific healthcare needs.

Frequently asked in San Mateo

Also serving nearby: Hayward · Daly City · Oakland · Sunnyvale · Fremont

All cities in California →

More on this: HealthCare.gov — marketplace enrollment periods.

Service area details

Serving all of San Mateo — population 101,327; about 8,350 residents per square mile across 12.1 sq mi. ZIP codes covered include 94401, 94402, 94403, 94404, 94497.

Neighborhoods served in San Mateo: Bay Meadows, Downtown San Mateo, Shoreview, West San Mateo, Roller Coaster — and every surrounding area.