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Mercer Island, Washington

Mercer Island Motorcycle Bill of Sale Requirements

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Reviewed against state DMV requirementsLast reviewed: April 20266 min readEditorial policy

Complete requirements checklist for a motorcycle bill of sale in Mercer Island, Washington. Includes exact fees, notarization rules, and where to file at the DOL Vehicle Licensing – Mercer Island.

Fees, notarization rules, and filing addresses on this page are reviewed against California Vehicle Code § 5900 — Transfer of Title and the DOL Vehicle Licensing – Mercer Island. Source documents are cross-checked each quarter so Mercer Island buyers and sellers always see the current Washington motorcycle bill of sale standard, not stale third-party summaries.

Title Transfer Fee

$12.00

Sales Tax Rate

8.00%

Notarization

Not Required

Required Fields — Mercer Island Motorcycle Bill of Sale

All of the following must appear on a valid motorcycle bill of sale in Mercer Island, Washington:

  • Full legal name and current address of seller
  • Full legal name and current address of buyer
  • Agreed sale price (in numerals and words)
  • Date of sale
  • Motorcycle year, make, model, and body style
  • 17-character VIN (Vehicle Identification Number)
  • Odometer reading at time of sale (federal disclosure required for most motor vehicles under 10 years old)
  • Signature of seller
  • Signature of buyer

Notarization in Mercer Island: Not Required

Washington does not require notarization for a motorcycle bill of sale. Washington does not require notarization for private vehicle bills of sale. Buyer and seller signatures on the completed title assignment are sufficient. Both parties simply sign and date the completed form in the presence of each other.

Washington Motorcycle transfer fees and requirements

In Washington, the title transfer fee is $12 and registration costs $30 plus RTA tax in certain areas. Motorcycle sales are subject to 6.5% state sales tax plus local taxes (up to ~10.4%). Washington does not require notarization for private-party motorcycle transfers. Emission testing is required in Washington — verify the motorcycle passes before completing the sale.

  • Department of Licensing (DOL) handles titles and registration
  • Emissions testing required in parts of King, Pierce, Snohomish, Clark, and Spokane counties
  • Use tax applies to private party purchases
  • Electric vehicle fee of $225 per year

Washington sales tax on motorcycle purchases

Washington has a 6.5% state sales tax rate. 6.5% state plus local taxes (total up to ~10.4%). Private-party motorcycle sales in Washington are subject to sales tax. Use tax applies to private party vehicle purchases. The title transfer fee is $12.

Motorcycle market data and safety information

The most common motorcycle makes in private-party sales are Harley-Davidson, Honda, Yamaha, Kawasaki, Suzuki. Average private-party motorcycle prices range from $2,000–$20,000. Motorcycles average 2.4 NHTSA recalls per model across categories including Fuel System, Electrical, Brakes.

Safety checkpoints for buying a used motorcycle

Before completing a motorcycle bill of sale in Washington, verify these safety items:

  • Check tire condition — motorcycle tires have a 5-year lifespan regardless of tread
  • Inspect brake pads and fluid condition on both front and rear systems
  • Verify chain/belt tension and sprocket wear
  • Test all lighting including turn signals and brake light
  • Check helmet lock and passenger peg integrity
  • Verify ABS function (where equipped) by feeling lever pulse during firm stop
  • Inspect frame for crash damage — look for paint cracks at steering head
  • Test horn and emergency cutoff switch operation

Motorcycle insurance and depreciation in Washington

Motorcycle insurance averages $700–$1,500/year for full coverage. Sport bikes cost significantly more to insure than cruisers. Motorcycles depreciate 35–50% in the first 3 years. Harley-Davidson and BMW models hold value best. Peak season for private motorcycle sales is late winter to early spring (february–april) as riding season approaches, with an average of 30 days on market.

Motorcycle registration and titling

Motorcycles are classified as "Motorcycle" for registration purposes. No weight-based exemption for motorcycles. All motorcycles under 20 years old require federal odometer disclosure. Federal odometer disclosure is required for motorcycles under 20 years old.

Motorcycle title transfer rules

Motorcycle title transfer requires a signed title and bill of sale. Unlike cars, motorcycles have no federal odometer exemption based on weight, so all motorcycles under 20 years old require odometer disclosure. Motorcycle titles include engine displacement (cc) and may differ from car titles in format. Some states issue a separate MCO (Manufacturer Certificate of Origin) for new motorcycles instead of a title.

Odometer disclosure for motorcycle sales

All motorcycles under 20 years old require federal odometer disclosure under 49 CFR 580. There is no weight-based exemption for motorcycles. The seller must certify the odometer reading on the title or a separate form.

  • Applicable law: 49 CFR Part 580 — Odometer Disclosure Requirements

Required disclosures for motorcycle sales in Washington

When selling a motorcycle in Washington, the following disclosures apply:

  • Helmet law compliance varies by state — some require helmets for all riders, others only for riders under 18.
  • Aftermarket exhaust or engine modifications may affect emission compliance in states with inspection programs.
  • Salvage or theft-recovery title brands are common for motorcycles and must be disclosed.

Washington bill of sale statistics

BillOfSaleNow has generated 2,241 bill of sale documents for Washington transactions, with 60 generated this month alone. The most popular vehicle type is car.

Where to File — Mercer Island Title Office

Office

DOL Vehicle Licensing – Mercer Island

Address

Visit https://www.dol.wa.gov for the nearest Mercer Island, WA office

Phone

See state DMV website for local office phone numbers

Hours

Mon–Fri 8:30 AM–4:30 PM

Additional requirements in Mercer Island County:

  • Complete a title transfer at your local Washington title office within the required timeframe
  • Use tax applies to private party vehicle purchases
  • Both buyer and seller should retain a signed copy of the bill of sale
  • Bring a valid government-issued photo ID and proof of insurance

What to Bring to the WA DMV

  • 1Completed, signed motorcycle bill of sale
  • 2Motorcycle title signed over by seller on the back
  • 3Valid government-issued photo ID (driver's license or passport)
  • 4Payment for title transfer fee: $12.00
  • 5Payment for sales tax (8.00% of sale price)
  • 6Odometer disclosure statement (if not included on title)

FAQ — Motorcycle Bill of Sale Requirements in Mercer Island

What are the required fields on a motorcycle bill of sale in Mercer Island?
A valid motorcycle bill of sale in Mercer Island, Washington must include both parties' full legal names and addresses, sale date, agreed sale price, VIN, year, make, model, and signatures of buyer and seller.
What is the title transfer fee for a motorcycle in Mercer Island?
The title transfer fee in Mercer Island County is $12.00. The motorcycle sales tax rate is 8.00%. Washington state rate 6.5% + estimated local taxes (verify with your county)
Is notarization required for a motorcycle bill of sale in Mercer Island?
No. Washington does not require notarization for private vehicle bills of sale. Buyer and seller signatures on the completed title assignment are sufficient.
Where do I file a motorcycle title transfer in Mercer Island?
File the title transfer at the DOL Vehicle Licensing – Mercer Island, Visit https://www.dol.wa.gov for the nearest Mercer Island, WA office. Hours: Mon–Fri 8:30 AM–4:30 PM. Phone: See state DMV website for local office phone numbers.

Trusted by private vehicle sellers nationwide

45% faster sale

Vehicles whose listings include a history report spend ~45% less time on site before selling, and report-viewers are 5x more likely to become a lead.

Source: Experian / AutoCheck

$4,000 avg loss

NHTSA estimates 450,000+ vehicles per year are sold with rolled-back odometers — the average victim loses about $4,000 in downstream repair costs.

Source: NHTSA

17.5M private sales/yr

About 17.5 million private-party vehicle transactions happen in the U.S. each year — roughly 47% of the used market.

Source: Cox Automotive 2024

1 in 3 buyers

Roughly 1 in 3 used-car buyers say they suspect private sellers are hiding mechanical problems — documentation closes that trust gap.

Source: JW Surety Bonds (n=3,000)

$60–$85 mobile notary

Mobile notary visit minimums run $60–$85 — higher on weekends, plus per-mile travel fees. State-formatted documents skip the trip.

Source: Thumbtack / NNA