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Oregon Gas Tax (2026)

Info: 40.0 cents/gallon state motor-fuel tax on gasoline, effective January 1, 2024 — the rate ODOT is required to publish for posting at service stations under ORS 646.932.

InfoVerified Aug 16, 2026

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40.0 cents/gallon state motor-fuel tax on gasoline, effective January 1, 2024 — the rate ODOT is required to publish for posting at service stations under ORS 646.932. Excludes the 18.4c federal tax.

Official source: oregon.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Gas Tax in states bordering Oregon

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

CaliforniaConditional
California's state motor vehicle fuel (gasoline) excise tax is 63.4 cents/gallon effective July 1, 2026 (CDTFA adjusts this rate annually for inflation). State and local sales tax also applies to gasoline, and cap-and-trade and Low Carbon Fuel Standard programs add further per-gallon cost (excludes the 18.4 cent federal tax).
Verified Jul 3, 2026 · Source: cdtfa.ca.gov · Full California rule →
IdahoInfo
About 33 cents/gallon state gasoline tax (32c excise + 1c petroleum transfer fee), excludes the 18.4c federal tax.
Verified May 31, 2026 · Source: tax.idaho.gov · Full Idaho rule →
NevadaInfo
23.81 cents/gallon in statewide gasoline taxes and fees (23c state excise + 0.75c cleanup fee + 0.055c inspection fee); counties add option and indexed taxes — for FY27 (from July 1, 2026) county-added taxes total ~39.8c in Clark and ~67.8c in Washoe. Excludes the 18.4c federal tax.
Verified Jul 16, 2026 · Source: dmv.nv.gov · Full Nevada rule →
WashingtonConditional
56.5 cents/gallon state gasoline tax effective July 1, 2026 (diesel 59.5c) - up 1.1c under the first automatic annual inflation adjustment enacted in 2025; among the highest in the nation, per the DOL July-Dec 2026 rate table. Separate Climate Commitment Act carbon costs add more at the pump. Excludes the 18.4c federal tax.
Verified Jul 2, 2026 · Source: dol.wa.gov · Full Washington rule →

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