Late Fee Calculator
Enter the rent, the fee structure your lease uses, the grace period, and the dates. The calculator shows the fee, the month's new total, and the timeline that justifies it.
State law comes first: several states cap late fees or set minimum grace periods, and courts expect a fee that approximates actual damages rather than a penalty. The lease must authorize the fee for it to be collectible.
General information for landlords, not legal advice. Statutes change and cities add their own rules; confirm current law where the property sits, or ask a local landlord-tenant attorney.
The three fee structures leases use
Nearly every late fee clause is one of three shapes. A flat fee names a dollar amount, commonly somewhere between $50.00 and $100.00, charged once when rent crosses the line. A percentage fee scales with the rent, with 5% being the number most leases and several state caps land on. A daily fee accrues for each day rent stays unpaid, usually a small amount with a stated maximum so it cannot compound into a second rent.
Flat and percentage fees are simpler to explain and to collect. Daily fees create urgency but need a cap and careful counting, which is exactly the arithmetic the calculator above does for you.
How the fee is calculated
Everything hangs on three dates: the due date, the end of the grace period, and the day rent is actually paid. Rent is late the day after it is due; the grace period does not move the due date, it only delays the fee. A payment that arrives within the grace window owes no fee at all.
Once the grace period runs out, a flat or percentage fee applies in full. A daily fee counts only the chargeable days after the grace period ends, through the day of payment.
On time when: date paid ≤ due date + grace days
Percentage: fee = monthly rent × % ÷ 100
Daily: fee = daily rate × (days past due − grace days), up to the cap
Example: $2,000.00 rent, 5% fee, 5-day grace, due Jun 1, paid Jun 10 → $100.00
A worked example, three ways
Riverside Apartments, Unit 12 rents for $2,000.00, due on the 1st with a 5-day grace period. The tenant pays on June 10, which is 9 days past due and 4 days past the grace window. The same lateness under each structure:
- Percentage: 5% of $2,000.00 = $100.00, so the month totals $2,100.00
- Flat: the lease names $75.00, so the month totals $2,075.00
- Daily: $15.00 × 4 chargeable days = $60.00; with a $50.00 cap in the lease, the fee stops at $50.00
- Had the tenant paid by June 6, every structure charges nothing
What makes a late fee enforceable
A late fee is only collectible when the lease authorizes it, in writing, with the amount and timing spelled out. No clause, no fee, no matter how late the rent is.
State law sits above the lease. Several states cap the fee, commonly at 5% of rent or a flat dollar figure, and some impose a minimum grace period before any fee can apply. Courts in every state expect the fee to approximate the actual cost of late payment rather than punish it; a fee out of proportion to the rent reads as a penalty and risks being struck entirely.
Consistency is the quiet requirement. Charge the fee the same way for every tenant and every month, or waive it explicitly in writing when you choose to. A fee applied to one tenant and forgiven silently for another is a fair-housing complaint waiting for a fact pattern.
One fee per late month is the defensible pattern. Stacking a fee on every unpaid charge in the same month, or charging fees on unpaid fees, multiplies a $100.00 problem into a court date.
Recording the fee
However the fee is structured, it belongs on the tenant’s ledger as its own dated charge, separate from the rent it attaches to. That keeps the running balance honest, shows exactly when the fee was assessed and why, and gives the tenant a record that matches yours to the penny.
Calculate the fee here, then post it to the tenant’s ledger as its own dated charge. In TenantLedger the charge lands next to the unpaid rent, the balance updates, and the tenant sees the same numbers in their portal, which ends most arguments before they start.
State late fee rules at a glance
These are the states whose statutes name a specific cap, a mandatory grace period, or both. In the states not listed, no specific number applies: the lease controls, and the fee still has to be reasonable.
| State | Grace period | Fee limit |
|---|---|---|
| Colorado | 7 days | Greater of $50 or 5% of the past-due rent |
| Connecticut | 9 days (4 for week-to-week) | No fixed cap; the fee must be reasonable |
| Delaware | 5 days (8 if the landlord has no in-county office) | 5% of the monthly rent |
| District of Columbia | 5 days | 5% of the rent |
| Iowa | None set | Rent ≤ $700/mo: $12/day, $60/mo max; higher rents: $20/day, $100/mo max |
| Maine | 15 days | 4% of the monthly rent |
| Maryland | None set | 5% of the rent due ($3/week, up to $12/month, on weekly leases) |
| Massachusetts | 30 days | No fee until rent is 30 days late |
| Minnesota | None set | 8% of the overdue rent |
| Nevada | None set | 5% of the periodic rent |
| New Mexico | None set | 10% of the rent specified per period |
| New York | 5 days | Lesser of $50 or 5% of the monthly rent |
| North Carolina | 5 days | Greater of $15 or 5% of the monthly rent (weekly leases: greater of $4 or 5%) |
| Oregon | 4 days | One reasonable flat fee per month, or capped daily / per-5-day alternatives |
| Tennessee | 5 days | 10% of the overdue amount |
| Texas | 2 full days | Must be reasonable; presumed so at 12% of rent (4 or fewer units) or 10% (larger properties) |
| Virginia | None set | Lesser of 10% of the periodic rent or 10% of the remaining balance |
Grace period here means the days a statute requires before a late fee may be charged; rent itself is still due on the due date. Some cities set stricter rules than their state.
Reviewed August 2026. Statutes change and cities add their own rules; confirm current law where the property sits before relying on an entry.
Common questions
What is a typical late fee for rent?
The most common patterns are 5% of the monthly rent or a flat fee in the $50.00 to $100.00 range, applied after a short grace period. Several states cap the fee at or near 5%, so that number has become the de facto standard even where no cap applies.
Is a grace period required by law?
In several states, yes: the statute sets a minimum number of days before any late fee can be charged, five days being a common figure. Where no statute applies, the grace period is whatever the lease says, including none at all. The grace period delays the fee, not the due date; rent is still late the day after it is due.
Can I charge a daily late fee?
Generally yes, if the lease spells out the daily rate and the fee stays reasonable in total, which is why daily fees are usually paired with a cap. A daily fee that quietly grows past what any court would call compensation for late payment risks being unenforceable altogether.
Can the lease charge more than my state’s cap?
No. Where a statute caps late fees or mandates a grace period, the statute overrides the lease. A clause that exceeds the cap is unenforceable at best, and in some states charging it anyway creates liability for the landlord.
Do I have to charge the fee every time?
No law forces you to collect a fee the lease allows. The risk is inconsistency: waiving fees silently for some tenants and not others invites a discrimination claim. If you waive a fee, do it deliberately and in writing, so the file shows a one-time courtesy rather than a pattern.
When does rent officially become late?
The day after the due date, unless the lease says otherwise. A five-day grace period on rent due the 1st means a fee can first be charged on the 7th: the 2nd through the 6th are late but fee-free. Weekends and holidays count unless the lease or a statute says they do not.
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