| MONTH | EVENT | TIME | LOCATION |
| OCTOBER | | | |
| 3rd (Thurs) | League Board Meeting | 7:30pm | City Hall |
| 15th (Tues) | District 4 Vendor Night | 7:00pm | Alhambra High Commons |
| 22nd (Tues) | Sign ups | 7pm - 9pm | Alhambra High Commons |
| NOVEMBER | | | |
| 7th (Thurs) | League Board Meeting | 7:30pm | City Hall |
| 14th (Thurs) | Sign Ups | 7pm-9pm | Alhambra High Commons |
| JANUARY | | | |
| 2nd (Thurs) | Sign Ups | 6pm - 7pm | City Hall |
| 2nd (Thurs) | League Meeting | 7:30pm | City Hall |
| 4th (Sat) | PeeWee Evaluations | 9:00am | Morello Park Elementary |
| 4th (Sat) | Softball Evaluations | 9:00am | Hidden Lakes Park |
| 5th (Sun) | Softball Draft | 6:00pm | Sportsman's Club |
| 11th (Sat) | AA / AAA / Majors Evaluations | 9:00am | Hidden Lakes Park |
| 12th (Sun) | AA / AAA / Majors Draft | 6:00pm | Sportsman's Club |
| 18th (Sat) | MANDATORY Baseball/Softball Fundamental Clinic | TBD | John Swett Elementary |
| 19th (Sun) | Softball Equipment Handout - All Divisions | - | John Swett Elementary |
| 19th (Sun) | Baseball Equipment Handout - All Divisions | - | Public Storage |
| 23rd (Thurs) | First Aid Class | 6pm | Morello Park Elementary |
| 25th (Sat) | Practice Begins | - | TBD per division |
| FEBRUARY | | | |
| 1st (Sat) | District 4 Basic Umpire Mechanics Clinic | 8:30am-4pm | TBD |
| 3rd (Mon) | MANDATORY Baseball & Softball Team Coord Mtg | 7:00pm | John Swett Elementary |
| 4th (Tues) | MANDATORY Baseball Rules Clinic | 6:30pm | John Swett Elementary |
| 6th (Thurs) | League Meeting | 7:30pm | City Hall |
| 8th (Sat) | Little League Day Ticket Sales Begin | - | Turn into Team Coord |
| 8th (Sat) | Hit A Thon Pledges Begin | - | |
| 8th (Sat) | Junior Umpire Mechanics Clinic | 9am | TBD |
| 9th (Sun) | Umpire Clinic - Martinez volunteer umpires | 9am-1pm | Hidden Lakes Park |
| 18th (Tues) | MANDATORY Scorekeepers Clinic-Softball | 6pm-8pm | John Swett Elementary |
| 20th (Thurs) | MANDATORY Scorekeepers Clinic-Baseball | 6pm - 8pm | John Swett Elementary |
| 25th (Tues) | District 4 Teenage Rules Meeting | TBD | District 4 Office |
| MARCH | | | |
| 1st (Sun) | ALL Raffle Tickets Due - NO EXCEPTIONS | - | Turn into Team Coord |
| 3rd (Tues) | District 4 Softball Rules Meeting | 6:30pm | District 4 Office |
| 5th (Thurs) | League Meeting | 7:30pm | City Hall |
| 7th (Sat) | League Parade | 10:00am | City Hall |
| *Parade 10am / BBQ 11:30am / Raffle Prize Drawing 12pm | | Martinez Marina |
| 7th (Sat) | Picture Day | See Schedule | Martinez Marina |
| 14th (Sat) | Opening Day - Games Begin | - | See Division Scheule |
| 14th (Sat) | Dinner Dance Tickets Start | - | Turn into Team Coord |
| 28th (Sat) | Oakland A's Little League Day Tickets Due | - | Turn into Team Coord |
| APRIL | | | |
| 2nd (Thurs) | League Meeting | 8:00pm | City Hall |
| 4th - 10th | SPRING BREAK - NO GAMES | - | |
| 11th (Sat) | Games Resume (AA - Juniors only) | See Schedule | See Division Scheule |
| 11th (Sat) | Oakland A's Little League Day | 7:05pm | Oakland Coliseum |
| 19th (Sun) | Hit - A - Thon Fundraiser | TBA | Hidden Lakes Fields |
| 26th (Sun) | Challenger Jamboree | 9:00am | Heather Farms |
| 29th (Wed) | Dinner Dance Raffle Prizes Due | - | Turn into Division Coord |
| MAY | | | |
| 1st (Fri) | Hit - A - Thon Pledge Money Due | - | Turn into Team Coord |
| 1st (Fri) | Trophy Forms Due (Instructional & Peewee) | - | Turn into Division VP |
| 2nd (Sat) | Dinner Dance - Casino Night | 5:30-11:30 | Martinez Masonic Hall |
| 7th (Thurs) | League Meeting | 8:00pm | City Hall |
| 25th - 27th | Memorial Day Weekend - NO GAMES | - | |
| 26th (Tues) | Playsoffs Begin | - | |
| 30th (Sat) | Championship Weekend (AA/AAA/Majors) | See Schedule | Hidden Lakes |
| 30th (Sat) | Peewee All Star Games | See Schedule | Hidden Lakes |
| JUNE | | | |
| 1st (Mon) | All Stars Anounced | | |
| TBA | District Tournament of Champions Games Begin | See Schedule | |
| TBA | District All Stars Begin | See Schedule | |