Montgomery County Government accepts four methods of payment for property tax bills. Payments can be made in person, online, by phone, or through mail. Payments are accepted in person at the Montgomery County Division of Treasury, 255 Rockville Pike, Suite L-15, Rockville, MD 20850 between 8:00 AM and 4:30 PM Monday through Friday except holidays. Payment options accepted in person are cash, check, VISA, Discover, and MasterCard (all credit card payments are charged a 2.5% fee of the amount that is being paid).
Online payments can be made at montgomerycountymd.gov/finance by Electronic Check, Debit Card or Credit Card (VISA, MasterCard, American Express or Discover). Telephone payments can be made using a credit card by calling 1.888.255.0029. Payments by mail for Real Estate Property Taxes should be sent to: Montgomery County, MD, PO Box 824845, Philadelphia, PA 19182.
Payments by mail for Personal Property Taxes should be sent to: Montgomery County, MD, PO Box 824860, Philadelphia, PA 19182. (Express mail should be sent to the Montgomery County Division of Treasury address).