Washington did not impose a tax on people who buy Teslas or other electric vehicles. In 2025, lawmakers enacted House Bill 2077, a business excise tax on certain surplus zero-emission vehicle (ZEV) credit activity by automakers. The law covers credits sold to another manufacturer, credits carried into a later model year, and credits pooled under separate rules.
What Washington’s “Tesla tax” is—and is not
“Tesla tax” is a political and media nickname, not the legal name of the measure. The Legislature’s official title is “Establishing a tax on certain business activities related to surpluses generated under the zero-emission vehicle program.” Governor Bob Ferguson signed HB 2077 on May 20, 2025, making it Chapter 419 of the 2025 Laws.
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- It is a tax on manufacturers’ surplus ZEV-credit activity. The credits are generated and verified under Washington’s zero-emission vehicle program.
- It is not a sales tax or registration fee on an EV buyer. Nothing in the enacted measure taxes an individual for purchasing a Tesla or another electric vehicle.
- The nickname reflected a passage-time expectation. Reporting in April 2025 said the 25,000-credit threshold was expected to leave Tesla as the only affected manufacturer. That was a contemporaneous characterization, not a permanent legal designation of one company.
Which bill passed?
The enacted measure is HB 2077, not HB 2080. HB 2080 was a separate proposal to prohibit a tax aimed at one entity; the Legislature’s record shows it remained in its original status and did not enact the credit tax.
What transactions does HB 2077 tax?
The final law treats sold, banked and pooled credits differently. The valuation method, rate, recurrence and exemption depend on the transaction type.
| Credit activity | Tax base | Rate and timing | Volume exemption |
|---|---|---|---|
| Sold to another manufacturer | The manufacturer’s reported sale price | 2% of that reported price | The final bill report describes an exemption below the relevant 25,000-credit banked-or-sold threshold |
| Banked for a later model year | The Department of Revenue’s average credit price | 10% for each year the credit remains banked. A credit is treated as sold when it is held at the start of the next model year. | The final bill report describes the threshold exemption for relevant banked-or-sold volume |
| Pooled under the program’s pooling provisions | Rules specified for pooled surplus credits | The bill report describes a 10% rate, with a 50% rate beginning with model year 2025 unless the manufacturer meets a specified Washington-delivery comparison; in that case, the 10% rate applies | Pooled surplus credits are excluded from the general small-volume exemption |
These are not interchangeable calculations. A sale uses the reported transaction price; banking uses the Department of Revenue’s average price and can create a recurring annual liability; pooling has its own rate conditions and does not receive the general small-volume exemption.
How the banking rule works
For a credit carried into a later model year, the Department of Revenue’s average credit price supplies the value. The tax is 10% of that value for each year the credit remains banked. The law treats a credit as sold when it is held at the beginning of the next model year, so retaining credits can produce liability repeatedly rather than only once.
The enacted provisions begin with model-year 2024 program implementation. The applicable model year matters: the law’s administrative schedule distinguishes the 2024 and 2025 model years from later filings.
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What the 25,000-credit threshold means
The 25,000 figure is not a blanket exemption from every part of the law. The final bill report describes an exemption for manufacturers below the relevant volume threshold for banked or sold credits. It specifically says the exemption does not apply to pooled credits. Therefore, a manufacturer cannot assume that staying below 25,000 credits eliminates tax on pooling activity.
When liability is calculated and notices are scheduled
The final bill report sets out a future administrative timetable. Beginning November 1, 2026, the Department of Revenue is scheduled to calculate liability and notify manufacturers by January 31 of the following calendar year. For model years 2024 and 2025, notice is scheduled by January 31, 2027. Those dates describe the law’s planned administration; they are not evidence that notices have already been issued or that a stated amount has already been collected.
How quickly did lawmakers approve it?
Floor approval moved quickly, although the bill did receive a committee hearing and executive action.
- April 14, 2025: First reading and referral to the House Finance Committee.
- April 18: House Finance public hearing.
- April 19: House Finance executive action.
- April 22: House passage, 52 yeas to 45 nays.
- April 26: Senate passage, 28 yeas to 19 nays.
- April 27: Delivery to Governor Ferguson.
- May 20: Governor Ferguson signed HB 2077.
A contemporaneous GeekWire report said the bill passed the Senate without debate. It also described supporters’ argument that the revenue could support jobs, clean-vehicle adoption and charging infrastructure, while opponents argued that taxing credits could weaken their intended value. Those are stakeholder positions, not measured outcomes established by the law.
Why the law became associated with Tesla
Tesla has historically generated surplus regulatory credits and sells credits to other automakers, making it central to the political debate. During consideration of HB 2077, the 25,000-credit threshold was reported as likely to single out Tesla. The statute, however, is written around specified ZEV-credit activities and thresholds, not around Tesla by name.
Jeff Gombosky, identified by GeekWire as Tesla’s hearing representative, said the measure “runs counter to the intent of the surplus ZEV credits design of the program.” That statement is Tesla’s position on the policy, not a finding in the enacted law.
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How much revenue could it raise?
The Washington Public Ports Association estimated revenue of $77.9 million in fiscal year 2027 and $202.9 million by fiscal year 2029. Those figures are an association forecast for HB 2077, not actual receipts, and they should not be presented as the state’s realized revenue. No authoritative measured statistic establishing the law’s collected revenue or effect on ZEV-credit prices was available in the cited material.
What EV shoppers need to know
- You do not pay a separate “Tesla tax” when buying or leasing an electric vehicle in Washington.
- The law targets manufacturer-level surplus-credit transactions under the state ZEV program.
- Any effect on vehicle pricing would be an indirect business decision by automakers, not a tax line imposed on a buyer by HB 2077.
The Bottom Line
Washington’s HB 2077 is a manufacturer tax on specified surplus ZEV-credit activity—not a consumer tax on Teslas or other EVs. Sold credits are taxed at 2% of the reported sale price, banked credits at 10% of the Department of Revenue’s average price for each year they remain banked, and pooled credits follow separate rate and exemption rules.
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