State coverage / Massachusetts

Massachusetts insurance rate and form filings

Filing rules by line of business and how to search public filings in Massachusetts, with links to the official sources.

Last reviewed · Regulator: Massachusetts Division of Insurance

On this page

Property and casualty rate, rule and form filings in Massachusetts are reviewed by the Massachusetts Division of Insurance. This page summarizes how filing works there from public sources: where to search filings that are already public, and the statutes, regulations and department guidance that set the rules, grouped by line of business. Every entry links to the official source.

At a glance

RegulatorMassachusetts Division of Insurance
Public filingsPublic inspection of rate filings (how to search)
Lines summarizedHomeowners, Personal auto, Workers' compensation, General and other liability, Commercial multi-peril, Medical professional liability, Inland marine, Farmowners, Earthquake, Homeowners and auto combination, Product liability, Title
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Key filing rules

Selected statutes, regulations and guidance on how rates and forms are filed and reviewed in Massachusetts, each linked to the official text.

  • Massachusetts law (G.L. c. 175A, s. 6) says a rate filing made with the Commissioner of Insurance, and its supporting information, are open to public inspection once the filing becomes effective. Source

Start from the department's page: Massachusetts Division of Insurance.

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Rules for every line

Statutes, regulations and guidance that apply across property and casualty lines.

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Homeowners

Massachusetts sources for homeowners filings (SERFF type of insurance 04.0 Homeowners).

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Personal auto

Massachusetts sources for personal auto filings (SERFF type of insurance 19.0 Personal Auto).

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Workers' compensation

Massachusetts sources for workers' compensation filings (SERFF type of insurance 16.0 Workers Compensation).

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General and other liability

Massachusetts sources for general and other liability filings (SERFF type of insurance 17.0 Other Liability).

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Commercial multi-peril

Massachusetts sources for commercial multi-peril filings (SERFF type of insurance 05.0 Commercial Multi-Peril).

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Medical professional liability

Massachusetts sources for medical professional liability filings (SERFF type of insurance 11.0 Med Mal).

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Inland marine

Massachusetts sources for inland marine filings (SERFF type of insurance 09.0 Inland Marine).

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Farmowners

Massachusetts sources for farmowners filings (SERFF type of insurance 03.0 Personal Farmowners).

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Earthquake

Massachusetts sources for earthquake filings (SERFF type of insurance 12.0 Earthquake).

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Homeowners and auto combination

Massachusetts sources for homeowners and auto combination filings (SERFF type of insurance 30.0 Homeowner/Auto).

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Product liability

Massachusetts sources for product liability filings (SERFF type of insurance 18.0 Product Liability).

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Title

Massachusetts sources for title filings (SERFF type of insurance 34.0 Title).

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Not legal advice. This is a summary of public sources, last reviewed September 18, 2026. Requirements change and differ by line and filing: verify them with the Massachusetts Division of Insurance before you file. All states