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. We are now recruiting brand new officials or veteran officials new to the NCBOA for the 2026-2027 basketball season! If interested, click this link, 2026-2027 Referee Application and a NCBOA representative will contact you. Training starts in mid-August and continues for six consecutive weeks. For more information, contact Tony Malone at 650-219-3400 or maloneref@aol.com
2. The end-of-season Banquet is fast approaching. Click this link for more information!
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As part of the Banquet, the Annual NCBOA Golf Tournament will also be held on March 27th. Click this link to direct you to the flyer for more information.
3. It has come to our attention that a "couple" rules and/or mechanics have been consistently, and incorrectly, administered. Specifically, the following:
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Pregame mechanics - Click this link for more information.
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Overtime - Read Rule 5, Section 7, Articles 3 for the length!
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The overtime period(s) are an extension of the 4th quarter. Which means that time-outs, team fouls and, of course, the score continue into the overtime.
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Teams receive one additional 60-second time-out.
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4. Links to ALL make-up quizzes are now CLOSED!
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5​​​​. ​ALL NCBOA members must complete a Background Check form! Look for the link in your Arbiter account​​​​​​​​​