Costco Frederick Gas Prices – Monocacy Blvd
- Regular · today
- $3.899
- Premium · today
- $4.639
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
10 Monocacy Blvd, Frederick, MD 21704-7256 · Open in Maps ↗
30-day range
where today sits- Regular$3.899 today · avg $3.956$3.859 low$4.149 high
- Premium$4.639 today · avg $4.716$4.599 low$4.999 high
Price history at Frederick
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $3.859 | $4.599 |
| Sep 2 | $3.859 | $4.599 |
| Sep 3 | $3.899 | $4.639 |
| Sep 4 | $3.899 | $4.639 |
| Sep 5 | $3.959 | $4.749 |
| Sep 6 | $3.959 | $4.749 |
| Sep 7 | $3.959 | $4.749 |
| Sep 8 | $3.959 | $4.749 |
| Sep 9 | $3.959 | $4.749 |
| Sep 10 | $3.999 | $4.799 |
| Sep 11 | $4.059 | $4.849 |
| Sep 12 | $4.059 | $4.899 |
| Sep 13 | $4.059 | $4.999 |
| Sep 14 | $4.099 | $4.969 |
| Sep 15 | $4.149 | $4.899 |
| Sep 16 | $4.059 | $4.699 |
| Sep 17 | $4.049 | $4.699 |
| Sep 18 | — | — |
| Sep 19 | $3.999 | $4.699 |
| Sep 20 | $3.899 | $4.639 |
| Sep 21 | $3.899 | $4.639 |
| Sep 22 | $3.899 | $4.639 |
| Sep 23 | $3.899 | $4.639 |
| Sep 24 | $3.899 | $4.639 |
| Sep 25 | $3.899 | $4.639 |
| Sep 26 | $3.899 | $4.639 |
| Sep 27 | $3.899 | $4.639 |
| Sep 28 | $3.899 | $4.639 |
| Sep 29 | $3.899 | $4.639 |
| Sep 30 | $3.899 | $4.639 |
Last updated September 30, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $3.899 for Regular, Frederick is tied for the 3rd cheapest of 9 Costco gas stations in Maryland today, $0.044 below the Maryland average of $3.943.
Chantilly, 35.0 mi away, is $0.100 cheaper.
- vs the US average
- $0.707 below, at $4.606
- Premium over Regular
- $0.740 — the Maryland median is $0.790
- Over the last 30 days
- up $0.040
- Days the price changed
- 10 of 29 reported days
- Cheapest day in the window
- September 2, 2026, at $3.859
- 15-gallon fill
- $58.48, $0.60 more than at the 30-day low
- Nearest cheaper station
- Chantilly — 35.0 mi
Frederick is located at 10 Monocacy Blvd, Frederick, MD 21704-7256, in Maryland. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular and Premium — this location does not sell diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 7:30 p.m. on Sundays, in local time.
Station details
Frederick Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Frederick Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Costco gas near Frederick
- 1LeesburgLeesburg, VA · 20.9 mi$4.199Regular
- 2SterlingSterling, VA · 26.1 mi$4.099Regular
- 3Owings MillsOwings Mills, MD · 33.1 mi$4.239Regular
- 4ChantillyChantilly, VA · 35.0 mi$3.799Regular
- 5Columbia MDElkridge, MD · 36.1 mi$3.899Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Frederick
- Costco gas prices Leesburg · VA · 21 mi$4.199
- Costco gas prices Sterling · VA · 26 mi$4.099
- Costco gas prices Owings Mills · MD · 33 mi$4.239
- Costco gas prices Chantilly · VA · 35 mi$3.799
- Costco gas prices Elkridge · MD · 36 mi$3.899
- Costco gas prices Beltsville · MD · 37 mi$3.969
- Costco gas prices Fairfax · VA · 38 mi$3.799
- Costco gas prices Hanover · MD · 40 mi$3.969
At this location
- Warehouse opened
- December 2001
- Warehouse phone
- (301) 644-1483
- Pumps open before the warehouse
- 4 hours on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department and a tire center.
Costco publishes one number per warehouse; there is no separate line for the gas station.
Frequently asked questions
How much is gas at Costco Frederick today?
As of the September 30, 2026 reading: Regular $3.899 and Premium $4.639 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Frederick gas station open?
The pumps are open 6 a.m. – 10 p.m. weekdays, 6 a.m. – 8:30 p.m. Saturdays and 6 a.m. – 7:30 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Frederick gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Frederick cheaper than the average Costco station in Maryland?
Yes — at $3.899, Regular here is $0.044 below the Maryland Costco average of $3.943.
Where is the Costco Frederick gas station?
At 10 Monocacy Blvd, Frederick, MD 21704-7256. It sits in the Costco warehouse parking lot and is open to members only.
Do you need a Costco membership to buy gas?
Yes — a Gold Star, Executive or Business membership card has to be scanned at the pump before it will dispense, though a Costco Shop Card also works for non-members.
What payment methods does the Costco gas station accept?
Visa, PIN debit and the Costco Shop Card; US Costco fuel pumps take no cash and no Mastercard, American Express or Discover.
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