Costco Gas Prices in UNION GAP, Washington Today
2310 Longfibre Rd, UNION GAP, WA 98903-1513
The Costco gas station in UNION GAP, Washington is one of the cheapest places to fill up in the area. Regular unleaded is currently $4.650 per gallon. Prices are updated daily to reflect real pump prices at this location. A Costco membership is required to purchase fuel here. Most members save 10–20 cents per gallon compared to regular gas stations nearby.
Today's Prices
Updated 25 min agoMembership required. You need an active membership to purchase fuel at this location.
Washington Regular Gas Price Trend (30 days)
Source: EIAStation Information
- Address
- 2310 Longfibre Rd, UNION GAP, WA 98903-1513
- Weekday Hours
- 6:00 AM - 10:00 PM
- Saturday
- N/A
- Sunday
- N/A
- Membership
- Required — $65/year
Location
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Frequently Asked Questions — Costco UNION GAP
The Costco gas station in UNION GAP is least busy on Tuesday and Wednesday mornings between 7 and 9 AM. Avoid Friday evenings and Saturday mornings — those are the busiest times.
Pro Tips for UNION GAP Costco Gas
- 1
Best times to visit: Tuesday and Wednesday mornings (7–9 AM) have the shortest lines at this UNION GAP location. Avoid Friday evenings and Saturday mornings.
- 2
Pull forward: The hoses reach both sides of your car — don't wait for a specific lane. Pull to the first available pump and reach across.
- 3
Check prices before you go: Costco updates prices daily based on wholesale fuel costs. Bookmark this page and check before you leave.
- 4
Save more with rewards: Stack your membership savings with a cash-back credit card. The Costco Anywhere Visa offers 4% back on gas (up to $7,000/year). Sam's Club Mastercard gives 5% back.
Quick Facts
- ✓Prices updated daily
- ✓Extended hoses reach both sides
- ✓No diesel at this location
- ✓Costco membership required