Maryland Late Fee Calculator

Find the legal maximum late fee in Maryland. Based on Md. Code Com. Law §12-103 (legal rate of interest).

Max per month
1.5%
Annualized cap
18%
Written agreement
Required
Grace period
0 days

Maryland Late Fee Calculator

Based on Md. Code Com. Law §12-103 (legal rate of interest)

Late fee owed$15.00

QuickBillMaker applies late fees automatically based on your configured policy. Set it once and stop chasing payments by hand.

How Maryland late fees work

In Maryland, late payment fees on commercial invoices are governed by Md. Code Com. Law §12-103 (legal rate of interest). The legal maximum is 1.5% per month (18% annualized). Legal rate 6% per year (constitutional). Written contracts may set up to 24% per year. Commercial contracts can go higher.

The fee must be stated in a written agreement before the work is performed. Without a written rate, only the statutory default rate applies.

Maryland prompt-pay law

Maryland Prompt Payment Act (Md. Code State Fin. & Proc. §15-103; Real Prop. §9-301 for construction) Construction subs paid within 7 days of GC receiving payment; interest at legal rate if late.

Stop calculating late fees by hand

QuickBillMaker applies your Maryland late fee rate automatically when invoices go overdue.

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