Public insurance rate-change record
California approved a +22.9% auto rate change for Century-National Insurance Company
Century-National Insurance Company asked to change rates by +51.3%. California approved +22.9%.
This is not your personal renewal price
The percentage is an average for policies covered by this request. Your bill may change by a different amount—or not at all—depending on your coverage, location, discounts, claims, and renewal date.
In plain English: The state approved +22.9% instead of the +51.3% Century-National Insurance Company requested—a difference of 28.4 percentage points.
What this means
California has allowed an average +22.9% change for the policies covered by this filing. Customers can still see different changes because insurers price each policy individually.
What happened, in order
March 25, 2025
A requested change of +51.3% was published.
Recorded from Approval and Closed List YTD 12/31/25
March 25, 2025
The department recorded an approved change of +22.9%.
Recorded from Approval and Closed List YTD 12/31/25
See filing dates and official identifiers
- California record number
- 24-1167
- Industry filing ID (SERFF)
- GMMX-134128896
- Status
- Approved
- Insurance category in the state record
- AUTO LIAB/PHYS DAMAGE
- Policy group or program
- Road America Motor Club Program
- Type of request
- RATE AND VARIANCE
- First published
- June 21, 2024
- Decision or closing date
- March 25, 2025
This company is part of the Allstate group. Companies in the same group can file separate requests and receive different decisions.
Check the official source records
Every displayed value is tied to a file published by California Department of Insurance. This section is for readers who want to verify the original record.
Where these numbers came from
| Value | As published | How it was read | Retrieved |
|---|---|---|---|
| Approved change | 22.9 | read directly from a spreadsheet cell | August 9, 2026 |
| Closed date | 2025-03-25 | read directly from a spreadsheet cell | August 9, 2026 |
| Company name | CENTURY-NATIONAL INSURANCE COMPANY | read directly from a spreadsheet cell | August 9, 2026 |
| Filing type | RATE AND VARIANCE | read directly from a spreadsheet cell | August 9, 2026 |
| NAIC group | 8 | read directly from a spreadsheet cell | August 9, 2026 |
| Line description | AUTO LIAB/PHYS DAMAGE | read directly from a spreadsheet cell | August 9, 2026 |
| Line type | PERSONAL | read directly from a spreadsheet cell | August 9, 2026 |
| NAIC company code | 26905 | read directly from a spreadsheet cell | August 9, 2026 |
| Public notice date | 2024-06-21 | taken from the date the notice was published | August 9, 2026 |
| Program | Road America Motor Club Program | read directly from a spreadsheet cell | August 9, 2026 |
| Requested change | 51.3 | read directly from a spreadsheet cell | August 9, 2026 |
| Status | APPROVED | read directly from a spreadsheet cell | August 9, 2026 |
| Variance | 8B | read directly from a spreadsheet cell | August 9, 2026 |
Source files
- Approval and Closed List YTD 12/31/25
Retrieved August 9, 2026 · sha256 0e7f7c9be04219f9
- June 21, 2024, Rate Filings
Retrieved August 9, 2026 · sha256 4725e8a6328cd95c