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Costco Newmarket Gas Prices – Harry Walker Parkway S

Regular · today
162.9¢▲ +3.0¢
Premium · today
187.9¢▲ +3.0¢

¢ per litre · Last updated October 31, 2026 · This station does not sell diesel

107 Harry Walker Parkway S, Newmarket, ON L3Y 7B3 · Open in Maps ↗

30-day range

where today sits
  • Regular162.9¢ today · avg 167.6¢
    155.9¢ low182.9¢ high
  • Premium187.9¢ today · avg 192.1¢
    179.9¢ low205.9¢ high

Price history at Newmarket

Last 30 days · ¢ per litre
RegularPremium

Regular: 175.9¢ on Oct 2 to 162.9¢ on Oct 31, low 155.9¢, high 182.9¢. Premium: 198.9¢ on Oct 2 to 187.9¢ on Oct 31, low 179.9¢, high 205.9¢.

Last updated October 31, 2026. Prices are collected once daily and can lag same-day changes at the pump.

Today’s price in context

At 162.9¢ for Regular, Newmarket is tied for the 6th most expensive of 28 Costco gas stations in Ontario today, 4.5¢ above the Ontario average of 158.4¢.

Vaughan, 32.5 km away, is 1.0¢ cheaper.

vs the Canadian average
in line, at 162.7¢
Premium over Regular
25.0¢ — the Ontario median is 25.0¢
Regular over the last 30 days
down 13.0¢
Days the price changed
27 of 30 reported days
Latest day at the 30-day low
October 16, 2026, at 155.9¢
50-litre fill
$81.45, $3.50 more than at the 30-day low
Nearest cheaper station
Vaughan — 32.5 km

Newmarket is located at 107 Harry Walker Parkway S, Newmarket, ON L3Y 7B3, in Ontario. 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. – 9:30 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

Newmarket Gas station hours

Mon–Fri
6 a.m. – 9:30 p.m.
Saturday
6 a.m. – 8:30 p.m.
Sunday
6 a.m. – 7:30 p.m.

Newmarket Warehouse hours

Mon–Fri
9 a.m. – 8:30 p.m.
Saturday
9 a.m. – 7 p.m.
Sunday
9 a.m. – 7 p.m.

Costco gas near Newmarket

  1. 1East Gwillimbury Business CentreEast Gwillimbury, ON · 5.4 km162.9¢Regular
  2. 2VaughanWoodbridge, ON · 32.5 km161.9¢Regular
  3. 3Scarborough ONScarborough, ON · 35.5 km156.9¢Regular
  4. 4BarrieBarrie, ON · 36.4 km159.9¢Regular
  5. 5NW VaughanWoodbridge, ON · 37.1 km161.9¢Regular

Distances are straight-line.

Cities near Newmarket

At this location

Warehouse opened
November 2002
Warehouse phone
(289) 319-4500
Pumps open early
3 hours before the warehouse on weekdays

Also at this warehouse: a food court, a pharmacy, an optical department, a hearing aid center and a tire center.

Frequently asked questions

How much is gas at Costco Newmarket today?

As of October 31, 2026: Regular 162.9¢ and Premium 187.9¢ per litre. Prices are collected once a day, so the pump can differ.

What time does the Costco Newmarket gas station open?

The pumps are open 6 a.m. – 9:30 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 3 hours before the warehouse on weekdays.

Does the Costco Newmarket gas station sell diesel?

No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.

Is Costco Newmarket cheaper than the average Costco station in Ontario?

No — at 162.9¢, Regular here is 4.5¢ above the average Costco price in Ontario, 158.4¢.

Where is the Costco Newmarket gas station?

At 107 Harry Walker Parkway S, Newmarket, ON L3Y 7B3. 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 Costco membership card has to be scanned at the pump, and a Costco Shop Card works for non-members.

What payment methods does the Costco gas bar accept?

Cards and the Costco Shop Card; Canadian Costco gas bars take no cash at the pump.

Looking for a different station?

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