Costco South Windsor Gas Prices – Tamarack Ave
- Regular · today
- $4.219
- Premium · today
- $4.899
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
1220 Tamarack Ave, South Windsor, CT 06074 · Open in Maps ↗
30-day range
where today sits- Regular$4.219 today · avg $4.201$3.999 low$4.279 high
- Premium$4.899 today · avg $5.022$4.799 low$5.199 high
Price history at South Windsor
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $3.999 | $4.799 |
| Sep 2 | $4.049 | $4.859 |
| Sep 3 | $4.049 | $4.899 |
| Sep 4 | $4.079 | $4.899 |
| Sep 5 | $4.139 | $4.949 |
| Sep 6 | $4.199 | $4.999 |
| Sep 7 | $4.199 | $5.049 |
| Sep 8 | $4.199 | $5.049 |
| Sep 9 | $4.199 | $5.049 |
| Sep 10 | $4.199 | $5.159 |
| Sep 11 | $4.199 | $5.159 |
| Sep 12 | $4.199 | $5.199 |
| Sep 13 | $4.259 | $5.199 |
| Sep 14 | $4.259 | $5.199 |
| Sep 15 | $4.259 | $5.199 |
| Sep 16 | $4.199 | $4.999 |
| Sep 17 | $4.259 | $4.999 |
| Sep 18 | — | — |
| Sep 19 | $4.279 | $5.099 |
| Sep 20 | $4.279 | $5.099 |
| Sep 21 | $4.279 | $5.099 |
| Sep 22 | $4.279 | $5.099 |
| Sep 23 | $4.279 | $4.899 |
| Sep 24 | $4.199 | $4.999 |
| Sep 25 | $4.249 | $4.999 |
| Sep 26 | $4.199 | $4.899 |
| Sep 27 | $4.199 | $4.999 |
| Sep 28 | $4.219 | $4.999 |
| Sep 29 | $4.219 | $4.899 |
| Sep 30 | $4.219 | $4.899 |
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 $4.219 for Regular, South Windsor is the 3rd cheapest of 7 Costco gas stations in Connecticut today, in line with the Connecticut average of $4.219.
New Britain, 13.0 mi away, is $0.170 cheaper.
- vs the US average
- $0.387 below, at $4.606
- Premium over Regular
- $0.680 — the Connecticut median is $0.800
- Over the last 30 days
- up $0.220
- Days the price changed
- 12 of 29 reported days
- Cheapest day in the window
- September 1, 2026, at $3.999
- 15-gallon fill
- $63.29, $3.30 more than at the 30-day low
- Nearest cheaper station
- New Britain — 13.0 mi
South Windsor is located at 1220 Tamarack Ave, South Windsor, CT 06074, in Connecticut. 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
South Windsor 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.
South Windsor 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 South Windsor
- 1EnfieldEnfield, CT · 12.2 mi$4.289Regular
- 2New BritainNew Britain, CT · 13.0 mi$4.049Regular
- 3West SpringfieldWest Springfield, MA · 21.9 mi$3.979Regular
- 4WaterburyWaterbury, CT · 28.7 mi$4.199Regular
- 5E LymeEast Lyme, CT · 36.2 mi$4.279Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near South Windsor
- Costco gas prices Enfield · CT · 12 mi$4.289
- Costco gas prices New Britain · CT · 13 mi$4.049
- Costco gas prices West Springfield · MA · 22 mi$3.979
- Costco gas prices Waterbury · CT · 29 mi$4.199
- Costco gas prices East Lyme · CT · 36 mi$4.279
- Costco gas prices Milford · CT · 46 mi$4.259
- Costco gas prices Brookfield · CT · 51 mi$4.239
- Costco gas prices Riverhead · NY · 62 mi$4.299
At this location
- Warehouse opened
- November 2021
- Warehouse phone
- (860) 474-4031
- 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 South Windsor today?
As of the September 30, 2026 reading: Regular $4.219 and Premium $4.899 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco South Windsor 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 South Windsor gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco South Windsor cheaper than the average Costco station in Connecticut?
Not meaningfully: at $4.219, Regular here is level with the Connecticut Costco average of $4.219.
Where is the Costco South Windsor gas station?
At 1220 Tamarack Ave, South Windsor, CT 06074. 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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