Costco Gas Prices in Riverhead, New York
Riverhead · Warehouse #785
1768 OLD COUNTRY RD, Riverhead, New York 11901-3146
Prices updated: August 12, 2026 at 7:00 PM
Regular
$3.799
PRICE PER GALLON
Press
Premium
$4.599
PRICE PER GALLON
Press
Current gas prices at Costco #785
This Costco gas station is located at 1768 OLD COUNTRY RD in Riverhead, New York. The latest reported fuel prices are regular at $3.799/gal, premium at $4.599/gal. Prices were last updated on August 12, 2026 at 7:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.799−0.100 (2.6%)
Premium
$4.599−0.100 (2.1%)
DateRegPrem
Aug 12, 7:00 PM$3.799$4.599
Aug 12, 4:00 PM$3.899$4.779
Aug 9, 2:00 PM$3.929$4.739
Aug 5, 1:00 PM$3.929$4.779
Aug 3, 12:00 AM—$4.779
Aug 2, 11:00 PM$3.929$4.779
Aug 2, 3:00 PM$3.929$4.799
Aug 1, 3:00 PM$3.929$4.859
Jul 25, 2:00 PM$3.899$4.859
Jul 24, 2:00 AM$3.899$4.799
Jul 23, 2:00 PM$3.879$4.779
Jul 22, 4:00 PM—$4.779
Jul 22, 3:00 PM$3.879$4.779
Jul 20, 3:00 PM$3.879$4.759
Jul 19, 1:00 PM$3.859$4.759
Jul 16, 2:00 PM$3.899$4.759
Jul 15, 2:00 PM$3.899$4.699