San Jose to San Mateo by Train

Travel from San Jose Diridon in San Jose, CA to San Mateo in San Mateo, US on the Caltrain. Approximately 29 miles in 45m.

About this trip

The Caltrain connects San Jose and San Mateo directly, with no transfer required. The train operates weekday peak baby-bullets and all-stops; weekend service, and the segment between these two stations is one of 26 origin-destination pairs we catalog on this route.

Coverage of approximately 29 rail miles takes about 45m on a typical schedule. Actual travel time varies with the specific train number, time of day, equipment used, and seasonal speed restrictions. Trains may run faster on the daylight schedules and slower at peak demand on shared-use trackage. A more granular schedule comparison can be found in independent corridor timetable reviews updated each season.

Things to look out for: San Francisco Bay glimpses south of San Mateo; Stanford foothills; downtown San Jose approach.

Fares and ticketing

One-way fares between San Jose and San Mateo typically run between $8 and $13. The lower end represents Saver-bucket advance-purchase coach fares, while the upper end approximates same-day walk-up fares or premium-class buckets. Sleeping car accommodations on overnight runs of the Caltrain, when offered, are sold separately from rail fare and increase total ticket cost substantially.

RailRover does not sell tickets. To book this trip, visit the operating carrier (Peninsula Corridor JPB) directly. Discounted fares are typically available with advance purchase, on midweek departures, and through loyalty programs. Several travelers track historical fare patterns on the corridor fare-watch newsletter to time their bookings.

Stations along the way

Between San Jose and San Mateo, the Caltrain calls at the following stations. Some trains may operate as "limited-stop" schedules and skip certain intermediate calls; check the published timetable for your departure.

• San Jose Diridon — San Jose, CA SJC
• San Francisco 4th King — San Francisco 4th King, US SAN
• Millbrae — Millbrae, US MIL
• San Mateo — San Mateo, US SAN

Getting to San Jose Diridon and from San Mateo

Both stations are accessible by local public transit, taxi, and rideshare. San Jose Diridon sits in San Jose, CA; arrival at San Mateo places you in San Mateo, US. Transfers from the platform to onward bus, light rail, or rideshare are well marked at the major hubs along this route. For specific transit connections at either station, see our station guides linked above.

Frequently asked questions

How long does the train from San Jose to San Mateo take?

Approximately 45m on a typical schedule, covering about 29 miles.

Is there a direct train?

Yes — the Caltrain operates weekday peak baby-bullets and all-stops; weekend service with no required transfer for this city pair.

How much does the ticket cost?

Approximately $8 to $13 for a one-way coach ticket. Premium classes and sleeping car accommodations cost more.

Can I bring a bicycle or pet?

Most long-distance and corridor trains accept checked or carry-on bicycles and small pets in carriers, with route-specific rules. Confirm with Peninsula Corridor JPB at the time of booking.