Jazz 91 91.1 FM live
The Bay Area's Jazz Station
Jazz 91 at a glance
About Jazz 91
Jazz 91 is the San Francisco Bay Area's jazz station. It broadcasts as KCSM on 91.1 FM, is licensed to San Mateo, California, and serves San Mateo, San Francisco, Oakland and San Jose with the slogan "The Bay Area's Jazz Station". It is owned by the San Mateo County Community College District, and on this page you can listen to Jazz 91 live online, free.
Jazz around the clock
KCSM plays jazz 24 hours a day, commercial-free. It is a not-for-profit, listener-supported station, and its online stream takes the music far beyond the Bay Area. HD2 carries more jazz.
On campus
The studios and transmitter are on the ground floor of building 9, the Library and Learning Resources Center, on the campus of the College of San Mateo.
History
KCSM signed on in October 1964. Its call letters stand for the College of San Mateo.
Supported by listeners
As a listener-supported station, Jazz 91 depends on its members around the Bay and the world.
Jazz, anywhere
Press play and Jazz 91 starts in seconds — on the 101, at home in the evening or anywhere in the world. The stream on this page carries the same music you hear on 91.1 FM.
A rare station
Full-time jazz stations are rare, which makes Jazz 91 a destination for jazz fans in the Bay Area and beyond.
How to listen
You can hear Jazz 91 on the radio on 91.1 FM across the Bay Area, but you do not need a radio at all: this page plays the live stream in any browser, on a phone, tablet or computer. Press the play button at the top, wait a second or two for the stream to connect, and keep browsing while it plays — the player stays on as you move between pages. It is ideal for a late night or a Sunday morning, and it costs nothing: no account, no subscription and no app to install.
Below the player you will find Jazz 91's frequency and home city, the genres it plays, answers to common questions and a list of similar stations, so when you want a change you can jump to another station in the same format or the same area with one click.
- 100% free, no sign-up
- Live stream, 24 hours a day
- Listen from anywhere
- Works on phone and computer
How to listen to Jazz 91 live
In 3 simple steps, with nothing to install.
- 01Press play
Click the "Listen live" button at the top of this page.
- 02Wait a moment
The live stream starts loading within a few seconds.
- 03Enjoy
Jazz 91 plays right in your browser, with nothing to install.
Radio stations in San Mateo
Other stations from the same place — click to open.
Frequently asked questions
Press play on this page to stream KCSM 91.1, free and with no app.
Jazz, 24 hours a day, commercial-free.
The San Mateo County Community College District.
College of San Mateo.
Yes. You can listen to Jazz 91 live for free here on Radio Stations Hub, 24 hours a day.
Yes. Jazz 91 plays in your phone’s browser on Android or iPhone — there is no app to install. Just open this page and press play.
Yes. Connect your phone to the car stereo by Bluetooth or cable, open Jazz 91 here on Radio Stations Hub and enjoy the live stream on the road.
If the stream does not load, wait a few seconds and press play again — some streams take a moment to connect. You can also refresh the page or try another Jazz station meanwhile. Radio Stations Hub checks every stream automatically.