Returning Officials

Adults register HERE

• Early registration ends at midnight December 31st, 2025, early registration dues are $70. Dues will be $85 beginning January 1, 2026.
• Officials who register by December 31 will receive a hard copy of the rule book at the play day on February 21st or February 22nd.

Returning Juniors (13- 18 yrs) register HERE.

• Junior officials  dues are $70.  Parents please make sure that the USA Lacrosse membership is in the officials name.

New Officials

New Juniors (13- 18 yrs) register HERE.

• Junior officials  dues are $70.  Parents please make sure that the USA Lacrosse membership is in the officials name.

Current COLLEGIATE PLAYERS or NEW Adult Officials

in high need areas - Please complete this simple interest form and we will reach out to answer your questions or register for training HERE.

• If you are a new official and aren’t currently registered with USAL, the NCWLO will apply for your USA Lacrosse membership. 

**New adult officials must reside in or be willing to work games in a high need area: Marin, Alameda, Sonoma, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, San Benito and Monterey counties.

• For special circumstances related to registration for college students and new adults please email assignor2@ncwlo.org. We need officials and have several options that might work for your situation. 

❄️️☀️ If the Game Is On, You’re On.
NorCal Lacrosse doesn’t stop for weather—and neither do NCWLO referees.
Grab your official jackets, stripes, and tournament t-shirts so you’re comfortable, compliant, and confident all season long.

Order now and show up ready—rain, wind, or whistle.

NCWLO Store

The NCWLO provides training for all levels of girls and women's lacrosse in Northern California that use USA Lacrosse and NFHS Rules.

• Join USA Lacrosse as a game official
• Register with NCWLO on this site
• Attend virtual classroom sessions
• Attend a play day with live games
• Purchase uniform items

Questions about training dates and requirements please visit our training page or email recruiting@ncwlo.org. To inquire about training preparation for college level games please email vptraining@ncwlo.org.