Southern Maryland Gas Station Services

Serving St. Mary's County, Calvert County, and Charles County

Ridgell Oil has a full-service and self-service gas station serving the Southern Maryland St. Mary’s, Calvert and Charles County areas.


Ridgell Oil after hours is a self-service option after 6pm and on Sundays when the open light is still ON for all gas and diesel purchases (does not include off-road diesel or K1) This option is credit card only.


Ridgell Oil now accepts Fleet cards, Apple Pay, Android Pay, Visa, Mastercard, and American Express at the pump.


Monday-Friday 6:00am – 6:00pm

Saturday: 7:00am – 5:00pm

Closed Sunday

Gasoline, Diesel and Kerosene Products:

  • 87 Octane Unleaded Gasoline
  • 93 Octane Unleaded Gasoline
  • 90 Octane Unleaded Gasoline (non-ethanol – delivered and at the pump)
  • Dyed Low Diesel
  • Clear Kerosene