Costco Mt Pleasant Gas Prices – Mount Pleasant, SC
- Regular · today
- $3.899▼ −$0.040
- Premium · today
- $4.799▼ −$0.040
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
3525 Park Avenue Blvd, Mount Pleasant, SC 29466-7242 · Open in Maps ↗
30-day range
where today sits- Regular$3.899 today · avg $3.860$3.599 low$4.059 high
- Premium$4.799 today · avg $4.724$4.459 low$4.899 high
Price history at Mt Pleasant
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $3.599 | $4.499 |
| Sep 2 | $3.599 | $4.459 |
| Sep 3 | $3.599 | $4.459 |
| Sep 4 | $3.699 | $4.599 |
| Sep 5 | $3.749 | $4.599 |
| Sep 6 | $3.749 | $4.599 |
| Sep 7 | $3.759 | $4.599 |
| Sep 8 | $3.759 | $4.599 |
| Sep 9 | $3.759 | $4.599 |
| Sep 10 | $3.799 | $4.659 |
| Sep 11 | $3.799 | $4.659 |
| Sep 12 | $3.899 | $4.699 |
| Sep 13 | $3.899 | $4.749 |
| Sep 14 | $3.889 | $4.739 |
| Sep 15 | $3.899 | $4.829 |
| Sep 16 | $3.959 | $4.799 |
| Sep 17 | $3.959 | $4.799 |
| Sep 18 | — | — |
| Sep 19 | $4.039 | $4.839 |
| Sep 20 | $4.059 | $4.899 |
| Sep 21 | $4.029 | $4.899 |
| Sep 22 | $3.999 | $4.849 |
| Sep 23 | $3.939 | $4.799 |
| Sep 24 | $3.899 | $4.789 |
| Sep 25 | $3.899 | $4.799 |
| Sep 26 | $3.899 | $4.849 |
| Sep 27 | $3.959 | $4.849 |
| Sep 28 | $3.999 | $4.849 |
| Sep 29 | $3.939 | $4.839 |
| Sep 30 | $3.899 | $4.799 |
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, Mt Pleasant is the 3rd most expensive of 7 Costco gas stations in South Carolina today, $0.081 above the South Carolina average of $3.818.
Charleston, 16.5 mi away, is $0.100 cheaper.
- vs the US average
- $0.707 below, at $4.606
- Premium over Regular
- $0.900 — the South Carolina median is $0.780
- Over the last 30 days
- up $0.300
- Days the price changed
- 18 of 29 reported days
- Cheapest day in the window
- September 3, 2026, at $3.599
- 15-gallon fill
- $58.48, $4.50 more than at the 30-day low
- Nearest cheaper station
- Charleston — 16.5 mi
Mt Pleasant is located at 3525 Park Avenue Blvd, Mount Pleasant, SC 29466-7242, in South Carolina. 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
Mount Pleasant 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.
Mount Pleasant 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 Mt Pleasant
- 1CharlestonCharleston, SC · 16.5 mi$3.799Regular
- 2Myrtle BeachMyrtle Beach, SC · 75.3 mi$3.769Regular
- 3PoolerPooler, GA · 103.8 mi$3.559Regular
- 4Columbia SCColumbia, SC · 114.0 mi$3.699Regular
- 5AugustaAugusta, GA · 137.5 mi$3.499Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Mount Pleasant
- Costco gas prices Charleston · SC · 17 mi$3.799
- Costco gas prices Myrtle Beach · SC · 75 mi$3.769
- Costco gas prices Pooler · GA · 104 mi$3.559
- Costco gas prices Columbia · SC · 114 mi$3.699
- Costco gas prices Augusta · GA · 137 mi$3.499
- Costco gas prices Wilmington · NC · 144 mi$3.689
At this location
- Warehouse opened
- August 2018
- Warehouse phone
- (843) 375-7021
- 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 Mt Pleasant today?
As of the September 30, 2026 reading: Regular $3.899 and Premium $4.799 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Mt Pleasant 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 Mt Pleasant gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Mt Pleasant cheaper than the average Costco station in South Carolina?
No — at $3.899, Regular here is $0.081 above the South Carolina Costco average of $3.818.
Where is the Costco Mt Pleasant gas station?
At 3525 Park Avenue Blvd, Mount Pleasant, SC 29466-7242. 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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