Welcome to the NCBOA!
The Northern California Basketball Officials Association (NCBOA) is the primary provider of officials in San Francisco and the North Peninsula,
serving 40 high schools and 40 middle schools.
The NCBOA also assigns officials to many of the adult and youth recreation leagues in the City.
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The NCBOA is fully accredited by the California
Interscholastic Federation, and it consists of 125+ certified officials who referee more than 2,500 games a year! Click here for a list of schools we service.
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To read more about the rich and unique history
of the NCBOA, click the below button.
NCBOA Members
Want to be a referee?
2025-2026 Calendar
NCBOA Members Only!
Click on any of the below pictures to be directed to that particular page
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Cormorant Garamond is a classic font with a modern twist. It's easy to read on screens of every shape and size, and perfect for long blocks of text.
Current NCBOA members having difficulties signing-up, or logging-in, to the new NCBOA Members Page
should click this "HOW TO" link for specific step-by-step instructions.
2025-2026 NCBOA
Announcements:
1. The New Applicant training has concluded with all that's left being the floor demo on September 17! If you are selected to join the NCBOA make sure that you check-out the 2025-2026 NCBOA calendar for upcoming mandatory meetings.
2. We are no longer taking new referee applicants for the 2025-2026 basketball season. However, if you are new to the area with significant officiating experience you can still join the NCBOA this season by contacting NCBOA President Don Lee at 650-255-7771.
3. Click this link for the 2025-2026 NFHS Rule Changes. This link will also be on the "Rules Page."
4. Recently you were sent a very important email from NCBOA President Don Lee, via Arbiter, titled "Summer Updates/Announcements." A copy of that email is on the NCBOA Members Page. If you need help signing up or logging in, scroll down and cliick the "How To" link below.
5. The 2025-2026 NCBOA Calendar is now uploaded for your viewing pleasure. Click the calendar picture above to be directed to the proper calendar.
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