Costco Gig Harbor
10990 Harbor Hill Dr Nw, Gig Harbor, Washington 98332-8945
Regular
$4.490
Premium
$5.090
Diesel
N/A
Updated Nov 6, 2026View details →
Costco Seattle Gas Prices
4401 4th Ave S, Seattle, Washington 98134-2311
Current Fuel Prices
Regular
$4.690
per gallon
Premium
$5.290
per gallon
Diesel
N/A
Not available
Last updated: Nov 7, 2026. Prices may change without notice.
Station Information
- 4401 4th Ave S, Seattle, Washington 98134-2311
- (206) 622-3136
- Executive Member Hours Mon-Fri: 9:00 AM - 8:30 PM Sat: 9:00 AM - 7:00 PM Sun: 9:00 AM - 6:00 PM Gold Star & Business Member Hours Mon-Fri: 10:00 AM - 8:30 PM Sat: 9:30 AM - 7:00 PM Sun: 10:00 AM - 6:00 PM
More Costco Gas Stations in Washington
Costco Tukwila
400 Costco Dr Ste 150, Tukwila, Washington 98188-4808
Regular
$4.690
Premium
$5.290
Diesel
$6.890
Updated Nov 6, 2026View details →
Costco Puyallup
1201 39th Ave Sw, Puyallup, Washington 98373-3803
Regular
$4.350
Premium
$4.990
Diesel
N/A
Updated Nov 8, 2026View details →
Costco Covington WA
27520 Covington Way Se, Covington, Washington 98042-9100
Regular
$5.399
Premium
$5.999
Diesel
N/A
Updated Oct 26, 2026View details →
Costco Sequim
955 W Washington St, Sequim, Washington 98382-3266
Regular
$5.499
Premium
$6.099
Diesel
N/A
Updated Oct 26, 2026View details →
Costco Kennewick
8505 W. Gage Blvd, Kennewick, Washington 99336-8120
Regular
$4.750
Premium
$5.190
Diesel
N/A
Updated Nov 7, 2026View details →