KCSM Jazz 91

The Bay Area's Jazz Station

KCSM Jazz 91 logo
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KCSM (91.1 FM), branded as "Jazz 91", is a Jazz radio station licensed to San Mateo, CA, and serves the San Francisco radio market. The station is currently owned by San Mateo County Community College District.

  • Call sign: KCSM
  • Frequency: 91.1 FM
  • City of license: San Mateo, CA
  • Format: Jazz
  • Owner: San Mateo County Community College District
  • Area Served: San Francisco, CA


  • Address: 1700 W Hillsdale Blvd, San Mateo, CA 94402
  • Phone number: (650) 574-6586
  • Website: kcsm.org
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Reviews (15)

Larry Bulinski 2024-05-08 05:24 AM

I heard kcsm being played on the laptop of a Bulgarian cab driver on the ride from Denver to Boulder. Now if that isn't international reach I don't know what is.

10Solo8 2024-03-31 12:13 AM

Got tired of Classic Rock, Prog Rock and needed some sanity and calm working in the San Francisco (and traffic) CA

Barrie Hayman 2023-12-30 01:54 AM

There is no radio programme in Australia that
surpasses KCSM.
I'm an avid fan of KCSM.

Ken 2023-11-25 03:19 AM

Always THE best in jazz. I go back to KJAZ, Dick Conte, et al and with your caring you continue on.

Nancy 2023-11-07 12:35 PM

Kcsm = the best!

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