Workers' Compensation Assessment Rates Effective July 1, 2025
Summary
The Massachusetts Department of Industrial Accidents has established workers' compensation insured assessment rates for policies effective July 1, 2025, pursuant to M.G.L. c. 152, § 65 (4) & (5). The rates set for private employers range from 0.0203 to 0.0591 depending on category (Private Employer 0.0482, Private Insured 0.0591, Self-Insured Private 0.0549, Group SI 0.0549; private opt-out options 0.0218 and 0.0203). Public Self-Insured employers are set at 0.0000. The DIA has requested review of the circular letter announcing the new rates before it is issued.
About this source
GovPing monitors Massachusetts DIA for new labor & employment regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 3 changes logged to date.
What changed
The Massachusetts Department of Industrial Accidents has set new workers' compensation insured assessment rates for all policies effective July 1, 2025. Rates vary by category: Private Employer Assessment is 0.0482, Private Insured is 0.0591, Self-Insured Private is 0.0549, Group SI is 0.0549, private opt-out Self-Insured is 0.0218, private opt-out Group SI is 0.0203, and Public Self-Insured is 0.0000.
Affected employers and insurers in Massachusetts should update their systems to reflect the new assessment rates for the fiscal year beginning July 1, 2025. The DIA has requested the Workers' Compensation Rating & Inspection Bureau submit its circular letter announcing the new rates for review prior to issuance.
What to do next
- Please let us review your circular letter announcing the new assessment rate before it is issued
Archived snapshot
Apr 22, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
- offered by
- Department of Industrial Accidents
News
Assessment Rates effective July 1, 2025
Workers' Compensation assessment rates effective 7/1/2025
6/27/2025
- Department of Industrial Accidents
June 27, 2025
Daniel R. Judson, President
Workers' Compensation Rating & Inspection Bureau
101 Arch Street
Boston, MA 02110
via Electronic Mail
RE: Assessment Rates effective July 1, 2025
Dear Mr. Judson:
Pursuant to M.G.L. c. 152, §65 (4) & (5), the Department of Industrial Accidents has the obligation
to establish the insured assessment rates for all policies effective July 1ˢᵗ of each year. The
insured assessment rates are as follows:
Employer Insured Self Insured Group SI
Assessment Rate Assessment Rate Assessment Rate
Private 0.0482 0.0591 0.0549
Private opt-out N/A 0.0218 0.0203
Public Self-Insured N/A 0.0000 0.0000
We ask that you please let us review your circular letter announcing the new assessment rate before it is issued. If you have any questions, please contact me at your convenience.
Sincerely,
Sheri Bowles, Director
Attachment (1) Assessment Opt-out list
Cc: Michael T. Caljou, Commissioner Division of Insurance
Department of Industrial Accidents
The Department of Industrial Accident (DIA) oversees the Massachusetts workers’ compensation system. We work to ensure that those involved have the resources needed to participate by assisting injured workers, employers, insurers, attorneys, and health care providers in following the Massachusetts workers’ compensation laws and regulations.
Related
DIA Workers' Compensation Assessment Rate Letters
Help Us Improve Mass.gov
Did you find what you were looking for on this webpage? Yes No
Related changes
Get daily alerts for Massachusetts DIA
Daily digest delivered to your inbox.
Free. Unsubscribe anytime.
About this page
Every important government, regulator, and court update from around the world. One place. Real-time. Free. Our mission
Source document text, dates, docket IDs, and authority are extracted directly from MA DIA.
The summary, classification, recommended actions, deadlines, and penalty information are AI-generated from the original text and may contain errors. Always verify against the source document.
Classification
Who this affects
Taxonomy
Browse Categories
Get alerts for this source
We'll email you when Massachusetts DIA publishes new changes.
Subscribed!
Optional. Filters your digest to exactly the updates that matter to you.