Invoice Late Fees by State — Maximum Rates & Grace Periods (2026)
Late fees are one of the most effective tools for getting paid on time — but charge too much and you risk an unenforceable clause or a damaged client relationship. This guide covers the legal maximum late fee you can charge in each US state, required grace periods, and the statute citations backing each rule.
Key takeaway: 30+ states have no statutory cap on commercial late fees. In those states, courts require fees to be "reasonable" — typically 1–2% monthly (12–24% annually). States with explicit caps range from 5% to 10% monthly. Late fees must be disclosed in your written contract to be enforceable in virtually every state.
States With Explicit Late Fee Caps
These states set specific maximum rates for commercial late fees. If you operate in or bill clients in these states, your late fee clause must stay within these limits:
| State | Maximum Late Fee | Grace Period | Legal Source |
|---|---|---|---|
| Alaska | 10.5% annual (or 5% above Fed discount rate) | None required | Alaska Stat. § 45.45.01 |
| Colorado | Greater of $50 or 5% of amount past due | 7 days | Colo. Rev. Stat. § 38-12-105 |
| Delaware | 5% per month | 5 days (8 if no office in county) | Del. Code tit. 25 § 5501 |
| Hawaii | 8% of overdue amount | None required | Haw. Rev. Stat. § 521-21 |
| Idaho | 5% of amount past due | 10 days | Idaho Stat. § 28-42-301 |
| Maine | 4% per month | 15 days | Me. Rev. Stat. tit. 14 § 6028 |
| Maryland | 5% per month | None required | Md. Code Real Prop. § 8-208 |
| Minnesota | 8% per month | None required | Minn. Stat. § 504B.177(a) |
| Nevada | 5% per month | 3 days | Nev. Rev. Stat. § 118A.210 |
| New Mexico | 10% of amount past due | None required | N.M. Stat. § 47-8-15 |
| New York | $50 or 5% per month (whichever is lower) | 5 days | N.Y. Real Prop. Law § 238-a |
| North Carolina | $15 or 5% (whichever is greater) | 5 days | N.C. Gen. Stat. § 42-46 |
| Tennessee | 10% per month | 5 days | Tenn. Code § 66-28-201(d) |
| Utah | Greater of 10% or $75 | None required | Utah Code § 57-22-4 |
States With No Cap (Must Be "Reasonable")
The following states have no statutory maximum for commercial late fees. However, courts in these states can refuse to enforce fees deemed "unconscionable." The standard practice is 1.5% monthly (18% annually) plus a reasonable administrative fee ($25–$75).
| State | Late Fee Limit | Grace Period | Notes |
|---|---|---|---|
| Alabama | No cap | None | Courts may refuse unconscionable terms (Ala. Code § 35-9A-1e) |
| Arizona | No cap | None | No restrictions on commercial transactions |
| Arkansas | No cap | None | No late fee legislation for business activities |
| California | No cap | None | Must be "reasonably related to costs" (Orozco v. Casimiro, 2004) |
| Connecticut | No cap (must be reasonable) | 9 days | Food Studio v. Fabiola's (1998) |
| D.C. | No cap | None | No commercial late fee legislation |
| Florida | No cap | None | Fla. Stat. § 83.45 |
| Georgia | No cap | None | No late fee legislation for business activities |
| Illinois | No cap (must be reasonable) | None | Collins v. Hurst (2000) |
| Indiana | No cap | None | No commercial restrictions |
| Iowa | No cap | None | No commercial restrictions |
| Kansas | No cap | None | Courts may refuse unconscionable terms (Kan. Stat. § 58-254) |
| Kentucky | No cap | None | 1% max for state agency invoices (Ky. Rev. Stat. § 45.454) |
| Louisiana | No cap | None | Must be in written agreement |
| Massachusetts | No cap | 30 days | Mass. Gen. Laws ch. 186 § 15B |
| Michigan | No cap | None | No commercial restrictions |
| Mississippi | No cap | None | No late fee legislation |
| Missouri | No cap | None | No late fee legislation |
| Montana | No cap | None | No late fee legislation |
| Nebraska | No cap | None | Courts may refuse unconscionable terms (Neb. Rev. Stat. § 76-1412) |
| New Hampshire | No cap | None | No late fee legislation |
| New Jersey | No cap | None | Associates v. Miranda (1989) |
| North Dakota | No cap | None | Must be stated in agreement (N.D. Cent. Code § 47-16-13.3) |
| Ohio | No cap | None | Must be reasonable and proportionate |
| Oklahoma | No cap | None | No late fee legislation |
| Oregon | No cap | None | No late fee legislation |
| Pennsylvania | No cap | None | No late fee legislation |
| Rhode Island | No cap | None | No late fee legislation |
| South Carolina | No cap | None | Courts may refuse unconscionable terms (S.C. Code § 27-40-230) |
| South Dakota | No cap | None | No late fee legislation |
| Texas | No cap (must be reasonable) | 2 days | Presumed reasonable at 10–12% (Tex. Prop. Code § 92.019) |
| Vermont | No cap | None | Must be reasonably related to damages |
| Virginia | No cap | 5 days | No commercial restrictions |
| Washington | No cap | None | No late fee legislation |
| West Virginia | No cap | None | No late fee legislation |
| Wisconsin | No cap | None | No late fee legislation |
| Wyoming | No cap | None | No late fee legislation |
How to Add Late Fees to Your Invoices
- Include the policy in your contract — Late fees are only enforceable if disclosed in writing before work begins. Add a clause like: "Invoices not paid within [X] days of the due date are subject to a late fee of [Y]% per month on the outstanding balance."
- State the fee on every invoice — Print your late fee terms in the footer or payment terms section of each invoice. This serves as ongoing notice.
- Allow a grace period — Even if your state doesn't require one, offering 5–7 days of grace before fees kick in is standard practice and preserves client relationships.
- Apply fees consistently — If you waive late fees for some clients but not others, it weakens enforceability. Apply your policy uniformly.
- Send a reminder before charging — Notify the client that a late fee will be applied if payment isn't received by a specific date. This is both professional and legally prudent.
⚠️ Important: This guide covers commercial/business-to-business late fees. Residential rental late fees, consumer lending, and credit card late fees have separate (usually stricter) regulations. The information here does not constitute legal advice — consult an attorney for your specific situation.
Recommended Late Fee Wording for Invoices
Use this language in your contracts and on your invoices:
"Payment is due within [30] days of the invoice date. A late fee of 1.5% per month (18% annually) will be applied to any balance remaining unpaid after [7] days past the due date. Client agrees to pay all reasonable costs of collection, including attorney fees, in the event of non-payment."
💡 Best practice: The majority of US businesses charge annualized interest of 7–8% plus the Federal Reserve rate, plus an administrative fee of $50–$75. If your state has no cap, 1.5% monthly (18% annual) is widely accepted as reasonable by courts.
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State-by-state data compiled from primary statute research. Key sources:
- California: Cal. Civ. Code § 1942.9; Orozco v. Casimiro, 121 Cal. App. 4th Supp. 7 (2004)
- Colorado: Colo. Rev. Stat. § 38-12-105
- New York: N.Y. Real Prop. Law § 238-a
- Texas: Tex. Prop. Code § 92.019
- Florida: Fla. Stat. § 83.45
- Illinois: Collins v. Hurst, 736 N.E.2d 600 (2000)
- Massachusetts: Mass. Gen. Laws ch. 186 § 15B
- Tennessee: Tenn. Code § 66-28-201(d)
- Full 50-state research: Paidnice, "Maximum Late Fee Laws by State" (April 2026 update)
- Default interest rates: LegalClarity, "Commercial Late Payment Fee Laws" (2026)