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WA · BILL-SALE · Updated June 2026 · Free

Washington Bill of Sale

Not Attorney-ReviewedAuthor: Arjun AnnamalaiMethodology: Statutory Verification

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Washington at a glance: Notarization Required: No · Title Transfer Deadline: 15 days from sale · Sales Tax: 6.5% state + local (avg ~10% in Seattle)

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Overview

Bills of Sale in Washington

Washington State requires a bill of sale for motor vehicle private sales. Washington charges a combined sales tax based on location — the state rate is 6.5% plus local taxes, averaging about 10.25% in the Seattle area. The buyer must transfer the title within 15 days at the Washington DOL (Department of Licensing). Washington also requires a use tax if sales tax was not paid.
Key Facts

Washington Bill of Sale — Quick Reference

RequirementWashington Rule
Notarization RequiredNo
Title Transfer Deadline15 days from sale
Sales Tax6.5% state + local (avg ~10% in Seattle)
Odometer DisclosureRequired
Governing LawRCW § 46.12.650
Legal Requirements

Washington Legal Requirements

  • Seller signs over the title.
  • Bill of sale documents the transaction.
  • Buyer pays sales tax/use tax at DOL.
  • Title transferred within 15 days.
  • Odometer disclosure required.
Governing Laws

Washington Governing Laws

RCW § 46.12.650
Certificate of Title Transfer
Governs vehicle title transfer in Washington State.

Read the full text of these laws at Cornell Law School's Washington legal resources or your state legislature's official website.

Questions & Answers

Washington Bill of Sale — Frequently Asked Questions

How much is sales tax on a private car sale in Washington State?

Washington charges 6.5% state sales tax plus local taxes. In the Seattle metro area, the combined rate is about 10.25%. The rate varies by the buyer's location.

How long does the buyer have to transfer the title in Washington?

15 days from the date of sale.

Does Washington require a notarized bill of sale?

No. Washington does not require notarization for vehicle bills of sale.