## Massachusetts interest rules

This source-backed guide covers US-MA interest authority (Mass. Gen. Laws ch. 231 § 6B, § 6C; ch. 235 § 8). It certifies only the quoted source-backed rules below; related interest categories remain outside this page unless they are expressly listed in the receipt.

## Mass. Gen. Laws ch. 231 § 6B, § 6C; ch. 235 § 8

US-MA interest controlling authority under Mass. Gen. Laws ch. 231 § 6B, § 6C; ch. 235 § 8.

> **6B.** ations, upon a verdict, finding or order for judgment for pecuniary damages, interest shall be added by the clerk of the court to the amount of damages, at the contract rate, if established, or at the rate of twelve per cent per annum from the date of the breach or demand. If the date of the breach or demand is not established, interest shall be added by the clerk of the court, at such contractual rate, or at the rate of twelve per cent per annum from the date of the commencement of the action, provided, however, t

## Use the calculator

DocketMath's interest calculator can model interest scenarios once you identify the controlling jurisdiction, amount, rate type, and accrual date. Use the source panel for the verified source-backed rule.

[Open the Interest calculator](/tools/interest)

## Sources

- [6B — Mass. Gen. Laws ch. 231 § 6B, § 6C; ch. 235 § 8](https://malegislature.gov/Laws/GeneralLaws/PartIII/TitleII/Chapter231/Section6c)

All sources are official primary law published by `malegislature.gov`.

**Corroboration method:** government_primary_source_direct_fetch.


DocketMath’s Judgment Interest Calculator (Massachusetts) helps you estimate interest on a Massachusetts money judgment using a clear date-to-date metho...

Judgment Interest Calculator Guide for Massachusetts

A civil action may be brought ... to recover benefits due to him under the terms of his plan.

Any administrator ... may be liable ... for penalties.

Interest shall be allowed on any money judgment in a civil case recovered in a district court ... calculated from the date of the entry of the judgment, at a rate equal to the weekly average 1-year constant maturity Treasury yield.

RESPA governs mortgage escrow accounts at the federal level; Massachusetts has no separate statewide escrow-interest statute for general mortgage escrow.

Interest on judgment: Interest shall be at the rate of 12 percent per annum...

In all actions based on contractual obligations, upon a verdict, finding or order for judgment for pecuniary damages, interest shall be added by the clerk of the court to the amount of damages, at the contract rate, if established, or at the rate of twelve per cent per annum from the date of the breach or demand.

Every judgment for the payment of money shall bear interest from the day of its entry at the same rate per annum as provided for prejudgment interest in such award, report, verdict or finding.

Interest required to be paid by the commonwealth pursuant to this section shall be calculated at a Weekly average one-year constant maturity Treasury yield ... provided, however, that such interest shall not exceed the rate of ten percent per annum.

If there is no agreement or provision of law for a different rate, the interest of money shall be at the rate of six dollars on each hundred for a year.

In all actions based on contractual obligations ... interest shall be added by the clerk of the court to the amount of damages, at the contract rate, if established, or at the rate of twelve per cent per annum from the date of the breach or demand.

In any action in which a verdict is rendered or a finding made or an order for judgment made for pecuniary damages for personal injuries to the plaintiff or for consequential damages, or for damage to property, there shall be added by the clerk of court to the amount of damages interest thereon at the rate of twelve per cent per annum from the date of commencement of the action.

A lessor ... shall pay interest at the rate of five per cent per year, or other such lesser amount of interest as has been received from the bank where the deposit has been held, payable to the tenant at the end of each year of the tenancy.

The interest shall be calculated annually...

A landlord may deduct any amounts owed by the tenant from interest accrued on a security deposit.

Mass. Gen. Laws ch. 231, §§ 6B and 6C provide 12% prejudgment interest for covered tort and contract damages, except established contract rates and Commonwealth rates routed through § 6I. Mass. Gen. Laws ch. 235, § 8 provides postjudgment interest at the same annual rate as the prejudgment interest in the award, report, verdict, or finding.

For Massachusetts interest pages, use chapter 231 sections 6B, 6C, and 6I for prejudgment interest; chapter 235 section 8 for postjudgment interest; chapter 107 section 3 for the general legal rate; and chapter 186 section 15B for residential security-deposit interest.

interest in US-MA is governed by Mass. Gen. Laws ch. 231 § 6B, § 6C; ch. 235 § 8.