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Washington Diesel Prices

Current Price:

$3.890

per gallon

Current Price

$3.890

per gallon

State Tax

$0.494

per gallon

Federal Tax

$0.244

per gallon

Total Tax

$0.738

per gallon

Washington Diesel Tax Breakdown

ComponentAmount
Base Price (before taxes)$3.152/gal
State Tax (WA)$0.494/gal
Federal Tax$0.244/gal
Total Price at Pump$3.890/gal

Diesel Prices in Washington Cities

Find station-level diesel prices in major Washington cities:

Compare Washington to Neighboring States

StateState TaxDifference
Washington (Current)$0.494/gal-
Idaho$0.320/gal-0.174
Oregon$0.360/gal-0.134

Get Washington Diesel Prices via API

from oilpriceapi import OilPriceAPI

client = OilPriceAPI(api_key="YOUR_API_KEY")

# Get Washington state average
price = client.diesel_prices.get_regional(state="WA")
print(f"Washington diesel: ${price.price}/gal")

# Get station-level prices in Seattle
stations = client.diesel_prices.get_stations(
    lat=47.6062,
    lng=-122.3321,
    radius=8047  # 5 miles
)
for station in stations:
    print(f"{station.name}: ${station.diesel_price}")

Frequently Asked Questions

Why is diesel cheap in Washington?

Washington diesel is $3.890/gal due to a state tax of $0.494/gal (one of the highest in the US).

What cities in Washington have the cheapest diesel?

Seattle, Spokane typically have competitive diesel prices. View city-specific data for exact prices.

Can I get real-time Washington diesel prices?

Yes! Use our API to get station-level prices updated every 24 hours from 130,000+ US stations including Washington.

View API documentation →

Need Washington Diesel Data in Your App?

Get state averages (free) or station-level prices ($0.024/query)

Get Free API Key →