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Office of the County Treasurer

How May We Help You?

The St. Mary's County Treasurer's Office is dedicated to providing excellent customer service to its citizens, while providing timely and accurate financial information to the public and to the St. Mary's County Commissioners.

The primary function and duty of the St. Mary's County Treasurer's Office is the billing and collection of real estate and personal property taxes for the State and County. Other functions include the issuance of motor vehicle registration renewals, liquor licenses, deed transfers, business license renewals, BINGO licenses, and conducting the annual tax sale auction.

We will be happy to assist you via the telephone, website or email. Counter hours are Monday through Friday 8:00 a.m. to 4:30 p.m. The office is closed on all County recognized holidays.

Contact Us

County Treasurer Christine L. Kelly Headshot County Treasurer
Christine L. Kelly

Phone or Email
(301) 475-4200 ext 3300

By Mail

P.O. Box 642
Leonardtown, MD 20650

In Person

Patuxent Building
23150 Leonard Hall Drive
Leonardtown, MD 20650