Maine judgment & prejudgment interest rates
Everything Maine charges in interest on a money judgment or an overdue debt, in one place — the rate after judgment and the rate before it, each verified against the statute and linked to its full page with sources, history, and carve-outs.
| Metric | Rate | Basis |
|---|---|---|
| Post-judgment interest | 9.51% | Set by statute |
| Prejudgment interest | 6.51% | Formula rate |
Post-judgment interest
Maine's post-judgment interest rate is 9.51% per year. Maine post-judgment interest is currently 9.51% — a statutory formula rate under 14 M.R.S. §1602-C that resets each year. Contract or note actions with an interest provision use the greater of the contract rate or the statutory Treasury-plus-6 rate; all other actions use…
→ Full Maine post-judgment page — statute, effective-date history, and source.
Prejudgment interest
Maine's prejudgment interest rate is 6.51% per year (formula rate). Maine prejudgment interest is currently 6.51% per year — a statutory formula rate under 14 M.R.S. § 1602-B that resets each year. Maine is unusually broad and does NOT limit prejudgment interest to liquidated/ascertainable claims.
→ Full Maine prejudgment page — when it applies, accrual, compounding, and carve-outs.
Frequently asked
What is the post-judgment interest rate in Maine?
As of January 1, 2026, the Maine post-judgment interest rate is 9.51% per year. Maine judgment interest — a formula rate, reset each year.
What is the prejudgment interest rate in Maine?
Maine's prejudgment interest rate is 6.51% per year (formula rate). Maine is unusually broad and does NOT limit prejudgment interest to liquidated/ascertainable claims.
Is Maine judgment interest simple or compound, and when does it start?
See each rate's page for the exact compounding rule, accrual date, and statutory carve-outs — Maine prejudgment interest in particular turns on the type of claim.
Compare every state on the state interest-rate index and the prejudgment interest index, or run the numbers with our interest calculators. Reference data only — not legal advice.