Mercer Island, Washington
How to Fill Out a Mercer Island Horse Trailer Bill of Sale
Complete guide for filling out a horse trailer bill of sale in Mercer Island, Washington. Includes the exact DOL Vehicle Licensing – Mercer Island location, current tax rates, and notarization requirements.
Title Transfer Fee
$12.00
Sales Tax Rate
8.00%
Notarization
Not Required
Step-by-Step: Filling Out Your Mercer Island Horse Trailer Bill of Sale
- 1
Enter seller and buyer information
Write full legal names and current addresses exactly as they appear on government-issued IDs. Both buyer and seller must use their full legal names — no nicknames or abbreviations. Errors here cause delays at the DOL Vehicle Licensing – Mercer Island.
- 2
Record Horse Trailer details and VIN
Enter the year, make, model, body style, color, and the 17-character VIN exactly as printed on the dashboard (visible through the windshield) or door jamb sticker. The VIN must match the vehicle title exactly.
- 3
Record sale price, date, and payment method
Write the agreed sale price in both numeral form ($12,500.00) and written form (twelve thousand five hundred dollars). Enter the exact date of the sale — this date triggers the Washington title transfer requirement. Note payment method: cash, check, or other.
- 4
Both parties sign and date
Both buyer and seller sign and date the completed form. Sign with blue or black ballpoint ink. Washington does not require notarization for private vehicle bills of sale. Buyer and seller signatures on the completed title assignment are sufficient. Print at least two originals — one for each party.
- 5
Submit to the DOL Vehicle Licensing – Mercer Island
Bring the signed bill of sale, the vehicle title (signed over on the back), and a valid ID to: 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. You'll pay the title transfer fee of $12.00 and sales tax at 8.00%.
Mercer Island Title & Registration 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
Special 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
Common Mistakes to Avoid
- ✗Signing before the notary if notarization is required — the notary must witness the signature
- ✗VIN errors — even one wrong character causes the WA DMV to reject the title transfer
- ✗Leaving the sale price blank or writing "gift" if money changed hands — this triggers audit risk
- ✗Using correction fluid to fix mistakes — always initial handwritten corrections instead
- ✗Not keeping a copy — both buyer and seller need a signed original
FAQ — Horse Trailer Bill of Sale in Mercer Island
- Where do I file a horse trailer bill of sale in Mercer Island?
- File at the DOL Vehicle Licensing – Mercer Island, located at 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.
- What is the vehicle title transfer fee in Mercer Island?
- The title transfer fee in Mercer Island County is $12.00. Combined sales tax rate: 8.00%. Washington state rate 6.5% + estimated local taxes (verify with your county)
- Does Mercer Island, Washington require notarization for a horse trailer bill of sale?
- No. Washington does not require notarization for private vehicle bills of sale. Buyer and seller signatures on the completed title assignment are sufficient.