New Hampshire Late Fee Calculator
Your late fee
$62.50
Paid 12 days late; the lease has no grace period.
- Days past due
- 12 days
- Grace period ends
- No grace period
- Earliest fee date
- October 20, 2026
- Lease late fee
- 5% of $1,250.00 = $62.50
- Rent + late fee
- $1,312.50
New Hampshire: RSA 540 and 540-A contains no late fee provision, so there is no legal cap or waiting period to apply; only your lease terms count.
Late rent notice builder
[Your name or company]
Date: October 31, 2026
To: [Tenant name]
[Rental property address]
Re: Overdue rent for [Rental property address]
Dear [Tenant name],
This letter is a reminder that the rent of $1,250.00 for [Rental property address] was due on October 19, 2026. As of October 31, 2026, $1,250.00 of it is still unpaid (12 days past due).
Your lease provides for a late charge, which comes to $62.50.
Amount now due
- Unpaid rent
- $1,250.00
- Late charge
- $62.50
- Total
- $1,312.50
Please pay $1,312.50 at your earliest opportunity.
If this letter crossed with your payment, please disregard it.
Regards,
[Your name or company]
Rate recovered in litigation (pre- and post-judgment): 26-week T-bill discount rate +2 pts, set annually by the State Treasurer. A fixed 10% residual default applies to business transactions outside that context.
Late fee breakdown
- Interest owed
- —
- Daily rate
- —
- Total (invoice + interest)
- —
Still unpaid? Generate a formal demand letter
Interest at 10% a year
| Invoice amount | 30 days late | 60 days late | 90 days late |
|---|---|---|---|
| $1,000.00 | $8.22 | $16.44 | $24.66 |
| $5,000.00 | $41.10 | $82.19 | $123.29 |
| $10,000.00 | $82.19 | $164.38 | $246.58 |
Maximum late fee in New Hampshire — written B2B contracts
No statutory cap
Basis: RSA 336:1, I.
About this page
Manufactured housing parks in New Hampshire
This applies to manufactured housing park tenancies only: no late fee may be charged when the rent is paid in full within 7 calendar days of the due date.
IV. No manufactured housing park owner or operator shall charge a late fee for any rental payment that is paid in full within 7 calendar days of the due date.
New Hampshire rent late fee law
New Hampshire's Revised Statutes chapters on actions against tenants (540) and on prohibited practices and security deposits (540-A) contain no late fee provision, so neither limits a late rent fee or gives a grace period.
Read in full for this check: New Hampshire Revised Statutes, chapter 540 (Actions Against Tenants) and chapter 540-A (Prohibited Practices and Security Deposits). Copy read on law.justia.com (not the state's official site) · checked .
Before you send the late rent notice: it is a reminder letter about overdue rent and a late charge, not an eviction notice. A notice to pay rent or quit is a separate document, and New Hampshire has its own rules for it. Nothing on this page is legal advice.
What New Hampshire law says about invoice interest
I. The annual rate of interest in all business transactions in which interest is paid or secured, unless otherwise agreed upon in writing, shall equal 10 percent. No consumer credit transaction, as defined in RSA 358-K:1, V, shall be subject to this paragraph. If agreed upon in writing, interest on business transactions may include charging other than simple interest.
No numeric usury cap on business transactions agreed in writing; rate limits are reserved for consumer credit. Set the B2B rate in writing.
Not legal advice. Figures were last verified on the date shown; check the cited statute before charging a late fee.