| Date | Activity |
| Saturday, 2 August 2025 | Can advertise Electoral Rolls |
| Monday, 18 August 2025 | Statewide Online Candidate Briefing Session |
| Friday, 22 August 2025 | Deadline for updating electoral details closes at 5pm |
| Tuesday, 26 August 2025 | Local Candidate Briefing Session 6pm to 7pm. Council Chambers, Welcome Road Karratha |
| Thursday, 28 August 2025 | Nominations open |
| Thursday, 4 September 2025 | Nominations period closes at 4pm Last day for potential candidates to nominate |
| Friday, 5 September 2025 | Can advertise an election |
| Mid-September | WA Electoral Commission will post Voting Packs to people on the City of Karratha Electoral Rolls |
| Saturday, 18 October 2025 | Election Day At 6pm voting closes |
| Monday, 20 October 2025* | Swear in new councillors *Date is indicative and dependent on the election results being formally declared prior to this date |
| Monday, 27 October 2025 | Appoint Deputy Mayor |