| No Street Sweeping | 12/07/2009 |
| No Street Sweeping | 10/14/2009 |
| Noon Year's Eve | 12/31/2022 11:00 am - 12:00 pm |
| Noon Year's Eve Celebration | 12/31/2019 11:30 am - 12:30 pm |
| Noon Year's Eve Celebration Grab and Go with Virtual Countdown | 12/14/2020 |
| Notice of Public Workshop for Obtaining a Coastal Development Permit from the City | 01/24/2017 2:00 pm - 4:00 pm |
| Nutcracker for Kids featuring The Festival Ballet Theater in a past live performance | - |
| OASIS Grand Re-opening Celebration | 10/09/2010 2:00 pm - 5:00 pm |
| OASIS Health & Resources Fair | 10/20/2018 |
| OASIS Health and Resource Fair 2019 | 10/19/2019 9:00 am - 11:00 am |
| OASIS Senior Resources & Fitness Expo | - |
| OASIS Senior Resources Expo | - |
| OASIS Starlight Cruise Fundraiser | 04/14/2018 5:00 pm - 9:00 pm |
| OASIS Summer Concert 2025: Elvis Tribute | 07/25/2025 5:00 pm - 7:00 pm |
| OASIS: Health & Wellness Resource Fair 2022 | 05/14/2022 9:00 am - 11:00 am |
| OC Marathon & Half Marathon | 05/06/2012 5:00 am - 1:00 pm |
| OC Sanitation District Public Forum | 07/17/2017 6:00 pm - 8:00 pm |
| OCTA State Route 55 Improvement Study | 09/14/2011 5:30 pm - 7:30 pm |
| Office Hours with Council Member O'Neill | 05/11/2017 8:00 am - 10:00 am |
| Office Hours with Council Member O'Neill | 06/08/2017 8:00 am - 10:00 am |
