MC311 Logo
Call 311 To Get It Done!
Visit montgomerycountymd.gov/311
For Emergency: 911 | Out of County: 240-777-0311

SEARCH

Enter an English language keyword to search the 311 web site:
Results will be returned in English language

All Services

Interest and Penalty Assessed on Tax Bills
Pursuant to Maryland Law, tax payments must be made on or before the due date to avoid interest and penalty charges. Postmarks are not accepted. Delinquent tax bills are subject to interest and penalty at the rate of 1 2/3% (1.667 per month on the unpaid balance) per month until paid in full. For properties in "Tax Sale", the redemption interest rate accumulates at a rate of 20% per annum x 365 days per year (the daily rate is .054890).
Find more information from the following link(s):
  • Interest and Penalty


  • To speak with a Customer Service Representative, please call 311 during business hours.