Statute of Limitations for Tolling for Defendant's Concealment / Fraudulent Concealment in Massachusetts

6 min read

Published April 8, 2026 • By DocketMath Team

This article is for informational purposes only and does not constitute legal advice. Laws change frequently — verify all citations with current official sources.

Overview

Massachusetts uses a 6-year general statute of limitations for the default limitations period, and the general citation provided for that period is Mass. Gen. Laws ch. 277, § 63. No claim-type-specific sub-rule was provided for this page, so the default period is the rule to start with.

For concealment and fraudulent concealment questions, the practical issue is usually whether the clock was paused because the defendant’s conduct kept the claim from being discovered. That affects when the 6-year period begins to run, which can materially change a deadline calculation.

Use this page as a reference point for the Massachusetts default period, then confirm the claim type, accrual date, and any concealment facts before relying on a final deadline.

Note: If concealment is part of the facts, the key question is not just the base 6-year period, but whether the limitations clock was delayed until the claim could reasonably be discovered.

Limitation period

Massachusetts’ general limitations period is 6 years.

That means the usual deadline is measured from the date the claim accrues, unless a tolling rule, delayed-discovery rule, or concealment theory changes the start date. When a defendant is alleged to have concealed the wrongdoing, the analysis often turns on whether the plaintiff knew, or reasonably should have known, enough facts to bring suit.

A practical way to think about the calculation is:

Base rule: 6 years
Starting point: the accrual date
Possible adjustment: tolling or delayed discovery if concealment prevented discovery
Result: the filing deadline may move later than the ordinary 6-year mark

How inputs affect the output in DocketMath

DocketMath’s statute of limitations calculator is designed to turn the input date into a deadline estimate.

Use it by entering:

the accident / breach / injury / transaction date
the date the claimant first discovered the issue
any concealment or fraudulent concealment facts
the jurisdiction: Massachusetts

The output changes based on those inputs:

Input	Effect on deadline
Earlier accrual date	Earlier deadline
Later discovery date	May push the deadline later if concealment or delayed discovery applies
Strong concealment facts	May support tolling analysis
No concealment facts	The calculator uses the ordinary 6-year period

A clean deadline estimate is especially useful where the record is complex, such as:

misrepresented financial transactions
hidden defects
concealed contract breaches
undisclosed relationships or conflicts
records altered or withheld by the defendant

Key exceptions

The main exception in this context is concealment or fraudulent concealment, which can affect when the limitations period starts to run. If the defendant’s conduct prevented timely discovery of the claim, the deadline may be measured from the time the claimant discovered, or reasonably should have discovered, the cause of action.

That said, concealment is fact-sensitive. The analysis usually focuses on whether the defendant took affirmative steps to hide the wrongdoing, not merely whether the plaintiff lacked information.

Common fact patterns that raise concealment issues include:

false statements designed to mislead
omission of critical facts where there was a duty to disclose
destroyed or withheld documents
altered records
secret transfers or hidden ownership
cover-up conduct after the underlying event

A good working checklist for deadline review:

Warning: A concealment argument does not automatically extend every deadline. The facts must support a real tolling or delayed-discovery theory, and the filing date still has to be tested against the controlling law.

For reference-page purposes, the key takeaway is straightforward: Massachusetts’ default period is 6 years, but concealment may delay the start of the clock. If you are building a deadline timeline, that means you should calculate both the ordinary expiration date and the concealment-adjusted date.

Statute citation

The general Massachusetts statute cited for this period is Mass. Gen. Laws ch. 277, § 63.

For a citation-ready reference, use:

Mass. Gen. Laws ch. 277, § 63
General limitations period: 6 years

When preparing a deadline memo or intake note, include:

Item	Why it matters
Statute citation	Anchors the rule
Claim type	Determines whether a different rule applies
Accrual date	Starts the clock
Discovery date	Relevant for concealment analysis
Concealment facts	May support tolling

A concise internal note might read:

Massachusetts default statute of limitations: 6 years
Citation: Mass. Gen. Laws ch. 277, § 63
Tolling issue: possible if defendant concealed the claim

That format helps keep the analysis organized before you move to a filing deadline estimate.

Use the calculator

DocketMath’s /tools/statute-of-limitations calculator helps estimate a filing deadline based on the date the claim accrued and any concealment-related facts.

Use it when you need a quick, jurisdiction-specific deadline check for Massachusetts. The calculator is especially useful when the timeline includes hidden conduct or delayed discovery, because those facts can change the result.

What to enter

Start with these inputs:

the underlying event date
the discovery date
any concealment details
the Massachusetts jurisdiction setting
any known filing or notice dates

What the output tells you

The calculator shows how the deadline changes when:

the claim is treated under the 6-year Massachusetts default period
discovery occurred later than the underlying event
concealment facts may push the start date forward
the ordinary deadline and adjusted deadline differ

How to use the result

Treat the result as a deadline screen, then verify the legal and factual assumptions. For example:

Confirm the claim category
Verify the earliest possible accrual date
Review any concealment evidence
Compare the ordinary and adjusted deadlines
Preserve the earliest filing date if timing is close

If you are building a client-facing timeline, the calculator can help you present the output in a simple format:

Base period: 6 years
Possible tolling issue: concealment
Massachusetts citation: Mass. Gen. Laws ch. 277, § 63

For a fast calculation, go to DocketMath’s statute of limitations tool.