Quick answer: the deadline that anchors most of the schedule is the 4-month creditor claim window, though it can run longer for any creditor notified late. See the full California probate timeline calculator for your specific estimate.
The core deadlines, in order
| Deadline | California rule | Statute |
|---|---|---|
| Notice published | Once/week for 3 consecutive weeks | Prob. Code § 8120 |
| Notice to known creditors | Later of 4 months from Letters, or 30 days from PR's knowledge | Prob. Code § 9050, 9051 |
| Inventory and Appraisal due | Within 4 months of Letters | Prob. Code § 8800 |
| Creditor claim deadline | Later of 4 months from Letters, or 60 days from mailed notice | Prob. Code § 9100 |
| Absolute bar (no notice given) | Generally 1 year from date of death | Code Civ. Proc. § 366.2 |
| Notice of Proposed Action (IAEA) | At least 15 days before the action | Prob. Code § 10580-10592 |
| Late-claim petition window | Within 60 days of creditor's actual knowledge | Prob. Code § 9103 |
Why California's creditor rules run "later of," not "earlier of"
The IAEA notice period, separately
Apart from creditor deadlines, a personal representative with IAEA authority must give beneficiaries at least 15 days' notice before taking major action — selling real estate under full authority, for instance — via the Notice of Proposed Action. Beneficiaries can waive this notice to speed things along, but absent a waiver, each major transaction effectively carries its own 15-day clock.
A local probate attorney can review your estate — many offer a free consultation.