Public insurance rate-change record
California approved a +18.7% auto rate change for Trumbull Insurance Company
Trumbull Insurance Company asked to change rates by +0.1%. California approved +18.7%.
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 approval shown here (+18.7%) is higher than the original request shown (+0.1%). These numbers came from separate state files; check the official source records below for context.
What this means
California has allowed an average +18.7% change for the policies covered by this filing. Customers can still see different changes because insurers price each policy individually.
Some details are still being checked against the state’s records. We leave uncertain values blank instead of estimating them.
What happened, in order
June 2, 2023
The department listed this filing as received.
Recorded from June 2, 2023, Rate Filings
November 9, 2023
The department recorded an approved change of +18.7%.
Recorded from Approval and Closed List YTD 12/31/23
November 9, 2023
A requested change of +0.1% was published.
Recorded from Approval and Closed List YTD 12/31/23
November 9, 2023
Status changed from pending to approved.
Recorded from Approval and Closed List YTD 12/31/23
November 9, 2023
A requested change of +0.2% was published.
Recorded from Approval and Closed List YTD 12/31/23
November 9, 2023
A requested change of +0.1% was published.
Recorded from June 2, 2023, Rate Filings
November 9, 2023
A requested change of +0.2% was published.
Recorded from June 2, 2023, Rate Filings
November 9, 2023
A requested change of +0.1% was published.
Recorded from February 17, 2023, Rate Filings
Recorded August 9, 2026
A requested change of +18.7% was published.
Recorded from June 2, 2023, Rate Filings
Recorded August 9, 2026
The department corrected requested_rate_change from +18.7% to +0.1%.
Recorded from June 2, 2023, Rate Filings
Recorded August 9, 2026
The department corrected requested_rate_change from +0.1% to +0.2%.
Recorded from June 2, 2023, Rate Filings
See filing dates and official identifiers
- California record number
- 23-337-C
- Industry filing ID (SERFF)
- HART-133533631
- Status
- Approved
- Insurance category in the state record
- AUTO LIAB/PHYS DAMAGE
- Policy group or program
- NONE
- Type of request
- RATE
- First published
- June 2, 2023
- Decision or closing date
- November 9, 2023
This company is part of the The Hartford group. Companies in the same group can file separate requests and receive different decisions.
See 3 related company filings
These records were submitted together, but each licensed company has its own state record and may receive a different decision.
- Hartford Casualty Insurance Company — company asked +0.2%
- Twin City Fire Insurance Company — company asked +0.1%
- Hartford Underwriters Insurance Company — company asked +0.1%
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 | 18.72 | read directly from a spreadsheet cell | August 9, 2026 |
| Closed date | 2023-11-09 | read directly from a spreadsheet cell | August 9, 2026 |
| Company name | TRUMBULL INSURANCE COMPANY | read directly from a spreadsheet cell | August 9, 2026 |
| Filing type | RATE | read directly from a spreadsheet cell | August 9, 2026 |
| NAIC group | 91 | 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 | 27120 | read directly from a spreadsheet cell | August 9, 2026 |
| Public notice date | 2023-06-02 | taken from the date the notice was published | August 9, 2026 |
| Program | NONE | read directly from a spreadsheet cell | August 9, 2026 |
| Requested change | 0.069 | corrected by the department's own errata sheet (confidence 0.90) | August 9, 2026 |
| Status | APPROVED | read directly from a spreadsheet cell | August 9, 2026 |
Source files
- June 2, 2023, Rate Filings
Retrieved August 9, 2026 · sha256 c565d68d4de8320a
- February 17, 2023, Rate Filings
Retrieved August 9, 2026 · sha256 74432b4002df36d7
- Approval and Closed List YTD 12/31/23
Retrieved August 9, 2026 · sha256 29f6c8a1e062d127