Old Greenwich Service Station (OGSS) is geographically situated along US Route 1 in Old Greenwich, CT. We not only sell gas and diesel products, but we have a one stop convenience store for all your basic daily needs like eggs, milk, bread, coffee, assorted canned goods & toiletries. We made sure that our customers are taking care of not only with the right products at the right price, but most all with the captivating customer service experience with no extra charge. Most of our customers are not just repeat clients, but eventually, we become a second family to most of them.


We are here to serve you:

Monday-Saturday: 5:00AM-11:00PM 

Sunday: 6:00AM-11:00PM



We offer a carwash experience bar none in the community of Old Greenwich. As you pull your car in the car wash lane, your first experience will determine our first goal in rendering captivating customer service to all our clients by helping you to identify the level of carwash that you need. The customer service does not stop with our unlimited smiles, but we make sure that you will smile back to us because of our promotions on car wash which gives value for your money. If you want ala carte, you can choose from the following:
a. Ultimate Carwash – Lava wax, Wheels Clean, Foam polish, Undercarriage, Hot wax, Ceramic Sealant, Tire Shine, Spot Free Rinse.  
b. Works Carwash – Soap, Foam polish, Wheels Clean, Undercarriage, Tire Shine, Spot Free Rinse. 
c. Express Carwash – Soap, Wheels Clean, Spot Free Rinse.  

However, if you want to save more, we offer Unlimited Carwash for your family. Please ask our Carwash Attendant for more details.

We also offer top of the line vacuum stations wherein there are different attachments that you can use in cleaning even the most inner part of your car, like the vent that is hard to reach. We also have a car mat cleaner to complete the works in cleaning your car within your budget.


We are here to serve you:

Monday-Saturday: 7:30AM – 8:00PM
Sunday: 7:30AM – 6:00PM


Our Lube Express is like a drive through service, no need for an appointment and most of all, it is manned by highly certified and professional technicians who can oil-change your car in about 15 minutes. We only use Mobil 1, the best synthetic oil to keep your car in good shape running smoothly.


We are here to serve you:

Monday-Saturday: 8:00AM – 6:00PM
Sunday: 9:00AM – 4:00PM


We are accredited by the Department of Motor Vehicles, and we are the largest Emission Testing Center all over the state of Connecticut. Our technicians are all highly certified to do your emission test. 

When planning to do your Emission Testing with us, just bring cash in paying for the standard fee and there is no need to make an appointment. 


We are here to serve you:

Monday- Saturday: 7:30AM-5:30PM
Sunday: Closed

Please Contact Us, we are here to serve you